void change(int x){
int t;
typeof(S.begin()) it;
if(col[x])er(S,mp(x,0));else S.insert(mp(x,0));
for(col[x]^=1;x;x=jump[x]){
n=bel[x];
if(jump[x]&&!S.empty()){
it=S.find(mp(jump[x],Gm(D1,sl[n],sl[n+1]-1)-sl[n]+1));
if(it!=S.end())S.erase(it);
}
if(!S.empty()){
it=S.lower_bound(mp(x,-INF));
t=(it!=S.end()&&it->first==x)?it->second:INF;
}else t=INF;
D0[pos[x]+tn-1]=t-pos[x],D1[pos[x]+tn-1]=t+pos[x];
for(t=(pos[x]+tn-1)>>1;t;t>>=1)
D0[t]=max(D0[L(t)],D0[R(t)]),D1[t]=max(D1[L(t)],D1[R(t)]);
if(jump[x])
S.insert(mp(jump[x],Gm(D1,sl[n],sl[n+1]-1)-sl[n]+1));
}
}
pair<int, int> cover() {
multiset<pair<int, int> >::iterator it = milk.begin();
int sum = 1, st = it->first, ed = 0, res1 = 0, res2 = 0;
it++;
for (; it != milk.end(); it++) {
if (it->second == 0) { // left
if (sum == 0) {
res2 = max(res2, it->first - ed);
st = it->first;
}
sum++;
} else if (it->second == 1){ // right
sum--;
if (sum == 0) {
res1 = max(res1, it->first - st);
ed = it->first;
}
}
}
return MP(res1, res2);
}
int main() {
std::ios::sync_with_stdio(false);
while(cin >> n && n) {
sum = 0;
bills.clear();
for(int idx=0; idx<n; ++idx) {
cin >> k;
for(int jdx=0; jdx<k; ++jdx) {
cin >> x;
bills.insert(x);
}
multiset<int>::iterator hit = bills.end(), lot = bills.begin();
hit--;
sum += (*hit)-(*lot);
bills.erase(hit);
bills.erase(lot);
}
cout << sum <<endl;
}
return 0;
}
int main() {
ll t; get(t);
while(t--) {
ll n, k, sum = 0, mx = 0;
get(n); get(k);
v.clear();
rep(n) { ll x; get(x); v.insert(x); sum += x; mx = max(mx,x); }
if( sum%k != 0 )
{ printf("no\n"); continue; }
else if( mx <= sum/k ){
ll val = sum/k, z;
for( z = 1; z <= k; z++ ) {
if( v.empty() )
{ printf("no\n"); break; }
flag = 0;
ll r = *v.rbegin();
r = val - r;
v.erase( v.find(*v.rbegin()) );
rec( v.begin(), v, 0, r );
// cout << r << "---------\n";
if( !flag )
{ printf("no\n"); break; }
}
// cout << " END: " << z << endl;
if( z == k+1 )
printf("yes\n");
}
else {
printf("no\n"); continue;
}
}
}
int main()
{
ifstream in("planificare.in");
ofstream out("planificare.out");
in >> N >> K;
for ( int i = 1; i <= N; ++i )
in >> v[i].x >> v[i].y;
sort(v + 1, v + N + 1);
for ( int i = 1; i <= K; ++i )
MS.insert(0);
for ( int i = 1; i <= N; ++i )
{
auto it = MS.lower_bound(v[i].x);
if ( it != MS.end() && *it == v[i].x )
{
sol++;
MS.erase(it);
MS.insert(v[i].y);
continue;
}
if ( it == MS.begin() )
continue;
it--;
sol++;
MS.erase(it);
MS.insert(v[i].y);
}
out << sol << "\n";
return 0;
}
int main() {
cout.precision(32);
int T; cin >> T;
for(int t = 0; t < T; ++t) {
char op; cin >> op;
int x; cin >> x;
if (op == 'a') {
xs.insert(x);
if (xs.size() == 1) {
pmedian = xs.begin();
} else {
if (x >= *pmedian && (xs.size() % 2 == 1)) {
pmedian++;
}
if (x < *pmedian && (xs.size() % 2 == 0)) {
pmedian--;
}
}
} else {
multiset<int>::iterator px = xs.find(x);
if (px == xs.end()) {
cout << "Wrong!" << endl;
continue;
} else {
xs.erase(px);
}
if (x >= *pmedian && (xs.size() % 2 == 0)) {
pmedian--;
}
if (x < *pmedian && (xs.size() % 2 == 1)) {
pmedian++;
}
}
if (!xs.empty()) cout << median() << endl;
else cout << "Wrong!" << endl;
}
}
int main()
{
int n,k,t,i;
cin>>t;
while(t-- && cin>>n)
{ if(n<10){cout<<n<<endl;continue;}
do
{
k=n;
for(i=9;i>=2;i--)if(n%i==0){n/=i;num.insert(i);}
if(n==k){cout<<"-1";n=-1;break;}
}while(n>=10);
if(n!=-1)
for(it=num.begin();it!=num.end();it++)cout<<*it;
if(n>1)cout<<n;
cout<<endl;
num.clear();
}
return 0;
}
int main()
{
i64 sum = 0;
int n, i, j, p,m;
scanf("%d", &n);
for(i=0; i<n; i++)
{
scanf("%d", &m);
for(j=0; j<m; j++)
{
scanf("%d", &p);
S.insert(p);
}
fwd = S.begin();
rev = S.end();
rev--;
sum += (*rev - *fwd);
S.erase(fwd);
S.erase(rev);
}
printf(FS, sum);
return 0;
}
int main() {
#ifndef ONLINE_JUDGE
freopen("528a.in", "r", stdin);
freopen("528a.out", "w", stdout);
#endif
cin >> w >> h >> n;
rx.insert(0);
rx.insert(w);
ry.insert(0);
ry.insert(h);
distx.insert(-w);
disty.insert(-h);
for(int i = 1 ; i <= n ; ++ i) {
char op; int x;
cin >> op >> x;
if(op == 'V') {
auto p1 = rx.lower_bound(x);
auto p2 = rx.lower_bound(x);
if(p1 != rx.begin())
-- p1;
// cout << "x \n";
// cout << *p1 << ' ' << *p2 << '\n';
rx.insert(x);
distx.erase(distx.find(-(*p2 - *p1)));
distx.insert(-(x - *p1));
distx.insert(-(*p2 - x));
cout << 1LL * (*distx.begin()) * (*disty.begin()) << '\n';
}
else {
auto p1 = ry.lower_bound(x);
auto p2 = ry.lower_bound(x);
if(p1 != ry.begin())
-- p1;
// cout << "y \n";
// cout << *p1 << ' ' << *p2 << '\n';
ry.insert(x);
disty.erase(disty.find(-(*p2 - *p1)));
disty.insert(-(x - *p1));
disty.insert(-(*p2 - x));
cout << 1LL * (*distx.begin()) * (*disty.begin()) << '\n';
}
}
}
void insert(vec &p){
if(p.x==0) return;
set<vec>::iterator loc=s.insert(p),it1=loc,it2=loc,next;
--it1; ++it2;
if(area(*it1,*it2,p)>0){
s.erase(loc);
return;
}
ans-=dist(*it1,*it2);
for(next=it1;it1!=s.begin();it1=next){
next--;
if(area(*next,*it1,p)>=0) break;
ans-=dist(*next,*it1);
s.erase(it1);
}
ans+=dist(*it1,p);
for(next=it2,next++;next!=s.end();it2=next,next++){
if(area(*next,*it2,p)<=0) break;
ans-=dist(*next,*it2);
s.erase(it2);
}
ans+=dist(*it2,p);
}
main()
{
int n ; scanf("%d",&n) ;
for(int i=1;i<=n;i++) scanf("%d",&h[i]) ;
for(int i=1;i<n;i++)
{
int x,y ; scanf("%d%d",&x,&y) ;
v[x].push_back(y) ;
v[y].push_back(x) ;
}
dfs0(1,-1,h[1]) ;
int k ; scanf("%d",&k) ;
for(int i=1,x;i<=k;i++) scanf("%d",&x) , st.insert(x) ;
for(int i=k+1;i<=n;i++) st.insert(0) ;
for(int i=1;i<=n;i++) cave[i]=(P){i,hm[i]} ;
sort(cave+1,cave+n+1) ;
LIM=-1 ;
for(int i=1;i<=n;i++)
{
auto it=st.upper_bound(cave[i].hm) ;
if(it!=st.begin()) st.erase(--it) ;
else if(LIM==-1) LIM=cave[i].hm ;
}
if(st.empty()) {printf("0\n") ; return 0;}
if(!dfs(1,-1,INF)) {printf("-1\n") ; return 0 ;}
int l=0 , r=INF ;
while(r-l>1)
{
int mid=(r+l)/2 ;
if(dfs(1,-1,mid)) r=mid ;
else l=mid ;
}
printf("%d\n",r) ;
}
bool AStar::removeNodeFromSet( multiset<Node>& l,Node n){
n.operationEqual = true;
//printf("Equality check before removing\n");
multiset<Node> ::iterator it;
for(it = l.begin();it!=l.end();it++){
if(n.id == (*it).id){
break;
}
}
#if DEBUG
printf("Trying to remove node %lld\n",n.id);
#endif
if(it==l.end()){
std::cout<<"Shouldn't come here, should be called after ensuring that the element exists in the list\n";
return false;
}
else{
l.erase(it);
return true;
}
}
REP(i, n) {
if (a[i] >= 0) s += a[i];
else if (ps.size() < k) {
s += -a[i];
ps.insert(a[i]);
}else if (k && a[i] < *(--ps.end())) {
int v = *(--ps.end());
ps.erase(--ps.end());
ns.insert(v);
s -= -v, s += v;
r = v;
s += -a[i];
ps.insert(a[i]);
}else { s += a[i];
ns.insert(a[i]);
}
int j = i - l;
if (j >= 0)
if (a[j] >= 0) s -= a[j];
else if (ps.find(a[j])!=ps.end()) {
ps.erase(ps.find(a[j]));
s -= -a[j];
if (!ns.empty()) {
int v = *ns.begin();
ns.erase(ns.begin());
ps.insert(v);
s -= v, s += -v;
}
}else { s -= a[j];
ns.erase(ns.find(a[j]));
}
if (j >= -1) ans = max(ans, s);
}
int main() {
freopen("grass.in", "r", stdin);
freopen("grass.out", "w", stdout);
ios_base::sync_with_stdio(false);
int N, M, K, Q;
cin >> N >> M >> K >> Q;
for (int i = 0; i < M; ++i) cin >> Y[i].a >> Y[i].b >> Y[i].c;
sort(Y, Y + M);
for (int i = 1; i <= N; ++i) {
f[i] = i;
d[i] = 1;
}
int cnt = 0;
for (int i = 0; i < M; ++i) {
if (find(Y[i].a) == find(Y[i].b)) continue;
int a = Y[i].a, b = Y[i].b, c = Y[i].c;
X[a].push_back(make_pair(b, c));
X[b].push_back(make_pair(a, c));
unionn(a, b);
++cnt;
if (cnt == N - 1) break;
}
for (int i = 1; i <= N; ++i) cin >> c[i];
dfs(1, -1);
for (int i = 0; i < Q; ++i) {
int a, b;
cin >> a >> b;
if (c[a] != b) update(a, b);
cout << *S.begin() << endl;
}
return 0;
}
/*****************************************
* Set reconstruction from pairwise sums *
*****************************************
* Given a multiset S of integers, reconstructs
* the multiset V such that S is the multiset of
* pairwise sums of V. Fills in V in sorted order.
* Returns true if successful and false if confused.
* #include <set>
* ACKNOWLEDGEMENTS: Thanks to Stefan Pochmann for
* the idea, David Arthur for the generalized
* algorithm and Bartholomew Furrow for a
* reference implementation.
**/
bool pairsums( int *ans, multiset< int > &seq )
{
int N = seq.size();
if( N < 3 ) return false;
__typeof( seq.end() ) it = seq.begin();
int a = *it++, b = *it++, i = 2;
for( ; i * ( i - 1 ) < 2 * N && it != seq.end(); i++, ++it )
{
// assume seq[i] = ans[1] + ans[2]
ans[0] = a + b - *it;
if( ans[0] & 1 ) continue;
ans[0] >>= 1;
// try ans[0] as a possible least element
multiset< int > seq2 = seq;
int j = 1;
while( seq2.size() )
{
ans[j] = *seq2.begin() - ans[0];
for( int k = 0; k < j; k++ )
{
__typeof( seq2.end() ) jt = seq2.find( ans[k] + ans[j] );
if( jt == seq2.end() ) goto hell;
seq2.erase( jt );
}
j++;
}
hell:;
if( j * ( j - 1 ) < 2 * N ) continue;
// it worked! [modify this to deal with multiple answers]
return true;
}
return false;
}
void HuffmanTree::buildTreeFromLeafNodes(multiset<HuffmanNode*, NodeLess>& nodes) {
while (nodes.size() > 1) {
string key1;
string key2;
int freq1 = 0;
int freq2 = 0;
HuffmanNode* left = nullptr;
HuffmanNode* right = nullptr;
processMinimumNode(nodes, key1, freq1, left);
processMinimumNode(nodes, key2, freq2, right);
HuffmanBranchNode* newNode = new HuffmanBranchNode();
newNode->setKey(key1 + key2);
newNode->setFrequency(freq1 + freq2);
newNode->setLeftNode(left);
newNode->setRightNode(right);
nodes.insert(newNode);
}
HuffmanNode* root = *(nodes.begin());
treeSet.insert(root);
nodes.erase(root);
}
int main(){
scanf("%d",&n);
while(n--){
scanf("%d",&k);
while(k--){
scanf("%d",&x);
s.insert(x);
}
it1=s.begin();
it2=s.end();
it2--;
sum+=(*it2-*it1);
s.erase(it1);
s.erase(it2);
}
printf("%lld\n",sum);
return 0;
}
int main()
{
LL sum=0;
int n,k,value;
n = read_int();
for(int i=0;i<n;i++)
{
k = read_int();
for(int j=0;j<k;j++)
{
value = read_int();
my.insert(value);
}
head = my.begin();
tail = my.end();
tail--;
sum += (*tail - *head);
my.erase(head);
my.erase(tail);
}
write_int(sum);
write_flush();
return 0;
}
void push_sum(const multiset<int> &ms) {
int sum = 0;
multiset<int>::const_iterator i = ms.begin();
for (; i != ms.end(); i++) { sum += 1 << (*i); }
solution.insert(sum);
}
/*
main..
//*/
int main()
{
using namespace std;
cout << "init\n";
int arr_a[] = { 2, 4, 4, 4, 6, 6, 8 };
int arr_b[] = { 3, 4, 4, 6, 9, 9 };
const multiset< int > multi_a(arr_a, arr_a+7);
const multiset< int > multi_b(arr_b, arr_b+6);
ostream_iterator< int > os_iter(cout, " ");
cout << "multi_a: \t";
copy(multi_a.begin(), multi_a.end(), os_iter);
cout << "\nmulti_b: \t";
copy(multi_b.begin(), multi_b.end(), os_iter);
cout << endl << endl;
cout << "set_union()\n";
set_union(multi_a.begin(), multi_a.end(), multi_b.begin(), multi_b.end(), os_iter);
cout << endl << endl;
cout << "set_intersection()\n";
set_intersection(multi_a.begin(), multi_a.end(), multi_b.begin(), multi_b.end(), os_iter);
cout << endl << endl;
cout << "set_difference()\n";
set_difference(multi_a.begin(), multi_a.end(), multi_b.begin(), multi_b.end(), os_iter);
cout << endl << endl;
cout << "set_symmetric_difference()\n";
set_symmetric_difference(multi_a.begin(), multi_a.end(), multi_b.begin(), multi_b.end(), os_iter);
cout << endl << endl;
cout << "includes()\n";
cout << "multi_a includes multi_b: "
<< boolalpha
<< includes(multi_a.begin(), multi_a.end(), multi_b.begin(), multi_b.end())
<< endl;
cout << endl;
cout << "READY.\n";
return 0;
}
void remove(ll x){
multiset<ll>::iterator it;
multiset<ll>::iterator jt;
if(cnt == 0){
printf("Wrong!\n");
return;
}
if (cnt == 1){
it = m2.find(x);
if (it != m2.end()){
m2.erase(x);
c2--; cnt--;
}
printf("Wrong!\n");
return;
} else {
if (cnt%2){
it = m2.find(x);
jt = m1.find(x);
if (it != m2.end()){
c2--;
m2.erase(it);
cnt--;
print();
} else if (jt != m1.end()) {
c2--;
m1.erase(jt);
it = m2.begin();
m1.insert(*it);
m2.erase(it);
cnt--;
print();
} else {
printf("Wrong!\n");
}
} else {
it = m2.find(x);
jt = m1.find(x);
if (jt != m1.end()){
c1--;
m1.erase(jt);
cnt--;
print();
} else if (it != m2.end()) {
c1--;
m2.erase(it);
jt = m1.end(); jt--;
m2.insert(*jt);
m1.erase(jt);
cnt--;
print();
} else {
printf("Wrong!\n");
}
}
}
}
void MAIN()
{
int cases;
pree();
scanf("%d",&cases);
int tn,cct,vct;
int i,j;
for(int t=1;t<=cases;++t)
{
ansc.clear();
ansv.clear();
scanf("%d",&n);
cct=n/2;
vct=n-cct;
tn=n;
for(i=0;i<v.size();++i)
{
for(j=0;j<min(21,vct);++j)
{
//printf("%c\n",v[i].second);
ansv.insert(v[i].second);
}
vct-=j;
}
for(i=0;i<c.size();++i)
{
for(j=0;j<min(5,cct);++j)
{
//printf("%c\n",c[i].second);
ansc.insert(c[i].second);
}
cct-=j;
}
printf("Case %d: ",t);
sit1=ansv.begin();
sit2=ansc.begin();
//printf("%d\t%d\n",anv.size())
for(i=0;i<n;++i)
{
if(i&1)
{
printf("%c",*sit2);
++sit2;
}
else
{
printf("%c",*sit1);
++sit1;
}
}
printf("\n");
}
}
void displayFiles(const multiset<char*, classComp>& sortedFiles, bool hasL, string dirName, int maxFileSize, int compareSize){
if(!hasL){
struct stat buf;
string copy = "";
int rows = ceil (((double) compareSize) / maxFileSize) ;
int columns = ceil(((double) sortedFiles.size()) / rows);
int sizeSet = sortedFiles.size();
for(int i = 0; i < sizeSet; i++){
if(rows * columns < sizeSet){
columns += 1;
}
else
break;
}
int maxColumnWord = 0;
int i = 0, j = 0;
bool needsColumns = compareSize > 80;
vector<vector<char*> > table(rows);
vector<char*> tColumns(columns);
vector<int> columnWidths;
for(multiset<char*, classComp>::iterator it = sortedFiles.begin(); it != sortedFiles.end(); it++){
copy = dirName + "/";
copy += *it;
//Output for no or -a flag options with color
if(stat((char*) copy.c_str(), &buf) == -1){
perror("stat()");
exit(-1);
}
if(!needsColumns && (*it)[0] == '.'){
cout << "\033[2;47;33m";
}
if(!needsColumns && S_ISDIR(buf.st_mode)){
cout << "\033[1;34m";
}
else if(!needsColumns && (buf.st_mode & S_IRWXU & S_IXUSR))
cout << "\033[1;32m";
if(!needsColumns)
cout << *it << "\033[0m" << " " << flush;
else{
tColumns.at(i) = *it;
if(maxColumnWord < (int) strlen(*it)) maxColumnWord = strlen(*it);
i++;
if(i >= columns){
i = 0;
table.at(j) = tColumns;
j++;
columnWidths.push_back(maxColumnWord);
maxColumnWord = 0;
}
}
}
if(needsColumns){
if(columns * rows != sizeSet){
tColumns.resize(i);
table.at(j) = tColumns;
columnWidths.push_back(maxColumnWord);
}
printColumns(table, columnWidths, dirName);
}
}
else{
struct stat buf;
int max = 0;
string copy = "";
if(maxFileSize != 0 && compareSize != 0){
for(multiset<char*, classComp>::iterator it = sortedFiles.begin(); it != sortedFiles.end(); it++){
copy = dirName + "/";
copy += *it;
if(stat((char*) copy.c_str(), &buf) == -1){
perror("stat():");
exit(-1);
}
max += buf.st_blocks;
}
}
max /= 2;
cout << "total " << max << endl;
copy = "";
for(multiset<char*, classComp>::iterator it = sortedFiles.begin(); it != sortedFiles.end(); it++){
if(maxFileSize == 0 && compareSize == 0){
copy = *it;
}
else{
copy = dirName + "/";
copy += *it;
}
if(stat((char*) copy.c_str(), &buf) == -1){
perror("stat():");
exit(-1);
}
//checks whether directory or file
if(S_ISREG(buf.st_mode))
cout << '-';
else if(S_ISDIR(buf.st_mode))
cout << 'd';
//this will check for permissions for user
(buf.st_mode & S_IRWXU & S_IRUSR) ? cout << 'r' : cout << '-';
(buf.st_mode & S_IRWXU & S_IWUSR) ? cout << 'w' : cout << '-';
(buf.st_mode & S_IRWXU & S_IXUSR) ? cout << 'x' : cout << '-';
//this will check for permissions for groups
(buf.st_mode & S_IRWXG & S_IRGRP) ? cout << 'r' : cout << '-';
(buf.st_mode & S_IRWXG & S_IWGRP) ? cout << 'w' : cout << '-';
(buf.st_mode & S_IRWXG & S_IXGRP) ? cout << 'x' : cout << '-';
//this will check for permissions for all others
(buf.st_mode & S_IRWXO & S_IROTH) ? cout << 'r' : cout << '-';
(buf.st_mode & S_IRWXO & S_IWOTH) ? cout << 'w' : cout << '-';
(buf.st_mode & S_IRWXO & S_IXOTH) ? cout << 'x' : cout << '-';
//Used to get user name from user id
struct passwd *pass;
pass = getpwuid(buf.st_uid);
if(pass == NULL){
perror("getpwuid");
exit(-1);
}
char* usr = pass->pw_name;
//Used to get group name from group id
struct group *gpass;
gpass = getgrgid(buf.st_gid);
if(gpass == NULL){
perror("getgrgid");
}
char* grp = gpass->gr_name;
//Used to get time format from time_t
struct tm myTime;
if(localtime_r(&buf.st_mtime, &myTime) == NULL){
perror("localtime_r");
exit(-1);
}
char month[5];
char day[3];
char time[6];
if(strftime(month, sizeof(month), "%b", &myTime) == 0 || strftime(day, sizeof(day), "%d", &myTime) == 0 || strftime(time, sizeof(time), "%R", &myTime) == 0){
perror("strftime");
exit(-1);
}
//Output for -l flag with color
cout << right << ' ' << buf.st_nlink << ' ' << usr << ' ' << grp << ' ' << setw (6) << buf.st_size << ' ' << month << ' ' << day << ' ' << time << ' ';
if(S_ISDIR(buf.st_mode)){
cout << "\033[1;34m";
}
if((*it)[0] == '.'){
cout << "\033[2;47;33m";
}
cout << *it << "\033[0m" << endl;
}
}
}
int main()
{
freopen("in", "r", stdin);
freopen("std", "w", stdout);
tree.clear();
while (1)
{
int operation;
scanf("%d", &operation);
if (operation == -1)
{
return 0;
}
/*
else if (operation == 0)
{
tree.clear();
}
*/
else if (operation == 0)
{
int key;
scanf("%d", &key);
tree.insert(key);
}
else if (operation == 1)
{
int key;
scanf("%d", &key);
multiset<int>::iterator it = tree.find(key);
if (it != tree.end())
{
tree.erase(it);
printf("OK\n");
}
else
printf("Delete Error\n");
}
else if (operation == 2)
{
int key;
scanf("%d", &key);
multiset<int>::iterator it = tree.find(key);
if (it != tree.end())
printf("Yes\n");
else
printf("No\n");
}
/*
else if (operation == 4)
{
int key;
scanf("%d", &key);
multiset<int>::iterator it = tree.find(key);
if (it != tree.end())
{
-- it;
printf("%d\n", *it);
}
else
printf("Prev Error!\n");
}
else if (operation == 5)
{
int key;
scanf("%d", &key);
multiset<int>::iterator it = tree.find(key);
if (it != tree.end())
{
++ it;
printf("%d\n", *it);
}
else
printf("Succ Error!\n");
}
*/
else if (operation == 3)
{
if (tree.empty())
printf("NULL\n");
else
{
multiset<int>::reverse_iterator it = tree.rbegin();
printf("%d\n", *it);
}
}
else if (operation == 4)
{
if (tree.empty())
printf("NULL\n");
else
{
multiset<int>::iterator it = tree.begin();
printf("%d\n", *it);
}
}
}
return 0;
}
int main(){
while (~scanf("%d%d",&n,&m)){
S.clear();
for (int i=1;i<=n;i++){
scanf("%d",&a[i]);
S.insert(a[i]);
}
if (n==1){
printf("1\n%d\n",a[1]);
continue;
}
if (n==2){
if (a[1]+a[2]>m)
printf("2\n%d %d\n",a[1],a[2]);
else
printf("1\n%d %d\n",a[1],a[2]);
continue;
}
memset(bi,true,sizeof(bi));
sort(a+1,a+n+1);
b[2]=a[n];
multiset<int>::iterator it;
/*
it=S.lower_bound(b[2]);
S.erase(it);
it=S.upper_bound(m-b[2]);
if (it==S.end()) --it;
b[1]=(*it);
S.erase(it);
for (int i=2;i<n;++i){
it=S.upper_bound(m-b[i]);
if (it==S.end()) --it;
b[i+1]=(*it);
S.erase(it);
}
*/
bool flag=true;
for (int i=1;i<=n;i++)
{
if (flag)
{
if (i<n)
{
it=S.end();it--;
b[i+1]=(*it);
S.erase(it);
it=S.upper_bound(m-b[i+1]);
if (it==S.end()) it=S.begin();
b[i]=(*it);
S.erase(it);
i++;
if (b[i-1]+b[i]<=m)
flag=true;
else flag=false;
}
else
{
it=S.begin();
b[i]=(*it);
S.erase(it);
}
}
else
{
it=S.upper_bound(m-b[i-1]);
if (it==S.end())
{
it=S.begin();
flag=true;
}
else flag=false;
b[i]=(*it);
S.erase(it);
}
}
int ans=0;
b[n+1]=0;
for (int i=1;i<=n;++i){
if (b[i]+b[i+1]<=m) i++;
ans++;
}
printf("%d\n",ans);
for (int i=1;i<=n;++i) printf("%d%c",b[i],i==n?'\n':' ');
}
return 0;
}
double median(char c,long long x){
double retval;
if(DEBUG){
for(it = minset.begin();it!=minset.end();it++) cout<<*it<<" ";
cout<<":";
for(it = maxset.begin();it!=maxset.end();it++) cout<<*it<<" ";
cout<<endl;
}
if(c == 'r'){
if(minset.empty() && maxset.empty()){
flag++;
return -1;
}
else if(minset.empty()){
if(maxset.count(x) == 0){
flag++;
return -1;
}
else{
// TODO - Done
it = maxset.find(x);
if(it != maxset.end()) maxset.erase(it);
}
}
else if(maxset.empty()){
if(minset.count(x) == 0){
flag++;
return -1;
}
else{
// TODO - Done
it = minset.find(x);
if(it != minset.end()) minset.erase(it);
}
}
else if(minset.count(x) == 0 && maxset.count(x) == 0){
flag++;
return -1;
}
else{
// TODO - Done
if(minset.count(x) != 0){
it = minset.find(x);
if(it != minset.end()) minset.erase(it);
}
else{
it = maxset.find(x);
if(it != maxset.end()) maxset.erase(it);
}
}
adjust();
}
else if(c == 'a'){
it = maxset.begin();
if(*it <= x) maxset.insert(x);
else minset.insert(x);
adjust();
}
if(minset.empty()){
flag++;
return -1;
}
else{// TODO
if(minset.size() > maxset.size()){
it = minset.end();
it--;
retval = *it;
}
else{
it = minset.end();
it--;
retval = *it;
it = maxset.begin();
retval = (retval+(*it))/2;
}
}
if(DEBUG){
cout<<"Minset not empty"<<endl;
for(it = minset.begin();it!=minset.end();it++) cout<<*it<<" ";
cout<<":";
for(it = maxset.begin();it!=maxset.end();it++) cout<<*it<<" ";
}
return retval;
}
int main () {
scanf(" %d %d %d", &n, &s, &t);
for (int i = 0; i < n; i++) {
scanf(" %d", &v[i]);
st.insert(v[i]);
}
ll _min = inf, _max = 0, aver = 0;
for (auto i = st.begin(); i != st.end(); i++) {
int from = *i;
for (int j = 0; j < n; j++)
ms.insert(v[j]);
int cur = from;
ll cont = 0;
while (!ms.empty()) {
if (ms.find(cur) != ms.end()) {
ms.erase(ms.find(cur));
cur = (cur + t) % s;
cont += ll(t);
} else {
auto it = ms.lower_bound(cur);
if (it == ms.end())
it = ms.begin();
int nx = *it;
if (nx > cur)
cont += ll(nx - cur);
else
cont += ll(s - cur + nx);
cur = nx;
}
}
cost[from] = cont;
_min = min(_min, cont);
_max = max(_max, cont);
aver += cont;
}
for (int i = 0; i < n; i++)
ms.insert(v[i]);
for (int i = 0; i < s; i++) {
if (ms.find(i) != ms.end())
continue;
auto it = ms.lower_bound(i);
if (it == ms.end())
it = ms.begin();
int nx = *it;
ll cont = 0;
if (nx > i)
cont = ll(nx - i + cost[nx]);
else
cont = ll(s - i + nx + cost[nx]);
_min = min(_min, cont);
_max = max(_max, cont);
aver += cont;
}
ll d = gcd(aver, s);
printf("%lld %lld %lld/%lld\n", _min, _max, aver / d, s / d);
}
int main()
{
freopen("C:\\Users\\crazyacking\\Desktop\\cin.txt","r",stdin);
// freopen("C:\\Users\\crazyacking\\Desktop\\cout.txt","w",stdout);
ios_base::sync_with_stdio(false);
cin.tie(0);
int cas;
cin>>cas;
while(cas--)
{
cin>>L>>N>>K;
int x,m;
int cnt=1;
for(int i=0;i<N;++i)
{
cin>>x>>m;
while(x!=0 && m--)
{
apple.insert(make_pair(x,cnt++));
}
}
debug();
LL ans=0;
LL mid=L/2;
int container;
multiset<pair<int,int> >::iterator ibe,it,tmp;
for(ibe=apple.begin();ibe!=apple.end() && (*ibe).first<mid;)
{
container=0;
while(container!=K && (*ibe).first<mid)
{
ibe++;
container++;
}
--ibe;
if(container==K)
{
it=ibe;
ans+=(*it).first*2;
for(int i=0;i<K;++i)
{
it=apple.begin();
apple.erase(*it);
}
}
else break;
}
debug();
multiset<pair<int,int> > :: reverse_iterator rev=apple.rbegin(),rit;
for(rev=apple.rbegin();rev!=apple.rend() && (*rev).first>=mid;)
{
container=0;
while(container!=K && (*rev).first>=mid)
{
rev++;
container++;
}
rev--;
if(container==K)
{
rit=rev;
cout<<"hehe="<<(*rit).first<<endl;
ans+=(L-(*rit).first)*2;
for(int i=0;i<K;++i)
{
rit=apple.rbegin();
apple.erase(*rit);
}
}
else break;
}
if(apple.size()<K)
{
ans+=L; // run a cycle
}
else // 3 case
{
int r=-1-0x7fffffff,l=0x7fffffff;
multiset<pair<int,int> > :: iterator it;
for(it=apple.begin();it!=apple.end();++it)
{
if((*it).first<mid) r=max(r,(*it).first);
else l=min(l,(*it).first);
}
LL dis1=0,dis2=0,dis3=0;
if(r!=-1-0x7fffffff)
{
dis1+=r;
}
if(l!=0x7fffffff)
{
dis1+=L-l;
}
for(container=0,it=apple.begin();it!=apple.end()&&container !=K;++it,++container){}
dis2+=L+(L-(*it).first)*2;
for(container=0,it=apple.end();it!=apple.begin()&&container!=K;--it,container++){}
dis3+=L+(*it).first*2;
LL dis=min(dis1,min(dis2,dis3));
ans+=dis;
}
cout<<ans<<endl;
}
return 0;
}
bool operator < (const anagram &o) const {
if(todas.size() == o.todas.size())
return *todas.begin() < *(o.todas.begin());
return todas.size() > o.todas.size();
}
void printMSet(const multiset<int>& s, char *c) {
cout << c << ": ";
for (multiset<int>::const_iterator i = s.begin(); i != s.end(); i++)
cout << *i << ' ';
cout << endl;
}