int main()
{
while(~scanf("%d %d",&n,&m))
{
for(int i = 1;i<=n;i++) scanf("%d",&a[i]);
GetRmq(); Bo = (int)sqrt(n);
for(int i = 1;i <= m; i++) scanf("%d %d",&S[i].L,&S[i].R),S[i].Id = i;
sort(S+1,S+m+1);
St.push(0);
for(int i = 1;i <= n;i++)
{
while(St.size() > 1 && a[St.top()] > a[i]) St.pop();
R[i] = St.top(); St.push(i);
}
while(!St.empty()) St.pop();
St.push(n+1);
for(int i = n;i>=1;i--)
{
while(St.size() > 1 && a[St.top()] > a[i]) St.pop();
L[i] = St.top(); St.push(i);
}
while(!St.empty()) St.pop();
memset(sumL,0,sizeof(sumL));
memset(sumR,0,sizeof(sumR));
sumR[1] =a[1];
for(int i = 2;i<=n;i++) sumR[i] = sumR[R[i]]+(1LL)*(i-R[i])*a[i];
sumL[n] = a[n];
for(int i = n-1;i >= 1;i--) sumL[i] = sumL[L[i]]+(1LL)*(L[i]-i)*a[i];
LL sum = 0;
int l = 0,r = 1;
for(int i = 1;i<=m;i++)
{
while(r <= S[i].R) sum +=Rcal(l,r),r++;
while(r > S[i].R+1) r --,sum-=Rcal(l,r);
while(l < S[i].L-1) l++,sum-=Lcal(l,r);
while(l >= S[i].L) sum+=Lcal(l,r),l--;
ans[S[i].Id] =sum;
}
for(int i = 1;i<=m;i++) printf("%lld\n",ans[i]);
}
return 0;
}
void pop() {
if (s_1.empty()) {
transfere();
}
s_1.pop();
}
bool isb(stack<int> &vi, stack<int> &vj) {
printf("DEBUG isb\n");
return !vi.empty() && (vj.empty() || vj.top() > vi.top());
}
// Removes the element from in front of queue.
void pop(void) {
pushIntoQueue();
if (!queue.empty())
queue.pop();
}
int main()
{
int n;
char ch;
while(cin>>n)
{
int i,j,k=0;
arry[0]=n;
ch=getchar();
while(ch!='\n')
{
cin>>arry[++k];
ch=getchar();
}
k++;
int flag=1,s;
for(i=0;i<k;i++)
{
if(arry[i]<0)
{
team1.push(arry[i]);
team2.push(arry[i]*(-1));
}
else if(arry[i]>0)
{
if(team2.empty())
{
flag=0;
break;
}
if(arry[i]!=team2.top())
{
flag=0;
break;
}
else
{
team2.pop();
s=0;
while(team1.top()>0)
{
s=s+team1.top();
team1.pop();
}
if(s>=arry[i])
{
flag=0;
break;
}
team1.pop();
team1.push(arry[i]);
}
}
}
if(!team2.empty()) flag=0;
if(flag) cout<<":-) Matrioshka!"<<endl;
else cout<<":-( Try again."<<endl;
while(!team1.empty())
team1.pop();
while(!team2.empty())
team2.pop();
}
return 0;
}
bool empty(){
return s1.empty() && s2.empty();
}
bool empty(void) {
return input.empty() && output.empty();
}
int main()
{
#ifdef fn
freopen(fn ".in", "r", stdin);
freopen(fn ".out", "w", stdout);
#endif
scanf("%s", s + 1);
n = strlen(s + 1);
for (int i = 1; i <= n; i++)
{
if (s[i] == '(' || s[i] == '[')
st.push(i);
if (s[i] == ')')
{
if (!st.empty() && s[st.top()] == '(')
{
pr[i] = st.top(), st.pop();
pr[pr[i]] = i;
}
else
{
while (!st.empty())
pr[st.top()] = -1, st.pop();
pr[i] = -1;
}
}
if (s[i] == ']')
{
if (!st.empty() && s[st.top()] == '[')
{
pr[i] = st.top(), st.pop();
pr[pr[i]] = i;
}
else
{
while (!st.empty())
pr[st.top()] = -1, st.pop();
pr[i] = -1;
}
}
}
while (!st.empty())
pr[st.top()] = -1, st.pop();
// for (int i = 1; i <= n; i++)
// printf("%d ", pr[i]);
// puts("");
for (int i = 1; i <= n; i++)
a[i] = a[i - 1] + (s[i] == '[');
int L = 0, R = -1, l = -1, r = -1, ans = 0;
for (int i = 1; i <= n;)
{
if (pr[i] == -1)
{
if (l != -1 && umax(ans, a[r] - a[l - 1]))
L = l, R = r;
l = -1, r = -1;
i++;
}
else
{
if (l == -1)
l = i;
r = pr[i];
i = pr[i] + 1;
}
}
if (l != -1 && umax(ans, a[r] - a[l - 1]))
L = l, R = r;
printf("%d\n", ans);
for (int i = L; i <= R; i++)
putchar(s[i]);
}
void test() {
while (!min_stack.empty()) {
cout << min_stack.top() << endl;
min_stack.pop();
}
}
void reset(){
while(!s.empty()) s.pop();
while(!q.empty()) q.pop();
while(!pq.empty()) pq.pop();
isStack=1, isQueue=1, isPQueue=1;
}
void gol() {
while (!stk.empty())
stk.pop();
}
/** @return whether we have a next smallest number */
bool hasNext() {
if(s.empty())
return false;
return true;
}
void MWinDeviceImpl::Restore()
{
assert(not mState.empty());
mRenderTarget->RestoreDrawingState(mState.top());
mState.pop();
}
int front() {
if (s_1.empty()) {
transfere();
}
return s_1.top();
}
void findnearest(FILE *fout)
{
int x = root;
int nearest = -1;
double mind = 0x7FFFFFFF;
dfs2(x, nearest, mind);
if (nearest == -1)
{
nearest = stk.top();
mind = dist(kd[nearest].d, target);
}
while (!q.empty()) q.pop();
q.push(T(kd[nearest].d[0], kd[nearest].d[1], mind));
used[nearest] = nowi;
nown = 1;
while (!stk.empty())
{
int bp = stk.top();
stk.pop();
double maxd = q.top().dis;
if (kd[bp].lc == 0 && kd[bp].rc == 0)
{
if (used[bp]!=nowi && (nown < kmin || cmps(dist(kd[bp].d, target) - maxd) < 0))
{
used[bp] = nowi;
if (nown == kmin) q.pop();
q.push(T(kd[bp].d[0], kd[bp].d[1], dist(kd[bp].d, target)));
if (nown<kmin) nown++;
}
}
else
{
int s = kd[bp].split;
int psearch;
if (target[s] <= kd[bp].d[s])
{
psearch = kd[bp].lc;
if (psearch && vis[psearch] != nowi) stk.push(psearch);
if ( (nown<kmin || cmps(abs(kd[bp].d[s] - target[s]) - maxd) < 0))
{
psearch = kd[bp].rc;
if (psearch && vis[psearch] != nowi) stk.push(psearch);
}
}
else
{
psearch = kd[bp].rc;
if (psearch && vis[psearch] != nowi) stk.push(psearch);
if ( (nown<kmin || cmps(abs(kd[bp].d[s] - target[s]) - maxd) < 0))
{
psearch = kd[bp].lc;
if (psearch && vis[psearch] != nowi) stk.push(psearch);
}
}
if (used[bp]!=nowi && (nown<kmin || cmps(dist(kd[bp].d, target) - maxd) < 0))
{
used[bp] = nowi;
if (nown == kmin) q.pop();
q.push(T(kd[bp].d[0], kd[bp].d[1], dist(kd[bp].d, target)));
if (nown<kmin) nown++;
}
}
}
int cnt = 0;
while (!q.empty())
{
ans[++cnt] = q.top();
q.pop();
}
fprintf(fout, "%d\n",cnt);
fprintf(fout, "%d %d\n", target[0], target[1]);
for (int i = cnt; i >= 1; i--)
{
fprintf(fout, "%d %d %.8f\n", ans[i].d[0], ans[i].d[1], ans[i].dis);
}
}
/** @return whether we have a next smallest number */
bool hasNext() {
return !path.empty();
}
vector<Tuple> Qtree::exec(bool print, string *table_name){
vector<Tuple> ret ;
#ifdef DEBUG
this->print(0);
#endif
if(this->type == INS){
vector<Tuple> temp = this->left->exec( false, NULL ) ;
if(temp.size() != 0){
Schema sins_from = temp[0].getSchema() ;
vector<enum FIELD_TYPE> field_types_from = sins_from.getFieldTypes() ;
vector<string> field_names_from = sins_from.getFieldNames() ;
if(field_types_from.size() == this->info.size() - 1){
Schema sins_to = p->schema_manager.getSchema( this->info[0] ) ;
vector<enum FIELD_TYPE> field_types_to ;
vector<union Field> fields ;
vector<string>::iterator it0 = this->info.begin() ;
vector<enum FIELD_TYPE>::iterator it1 = field_types_from.begin();
vector<string>::iterator it2 = field_names_from.begin();
vector<string> STRv;
vector<int> INTv ;
string table_n = (*it0) ;
vector<string> field_names_to ;
it0 ++ ;
for( ; it0 != this->info.end() ; it0 ++, it1++){
unsigned long found = it0->rfind('.') ;
string s_table ;
if(found == std::string::npos){
s_table = string( table_n + "." + (*it0) ) ;
}else{
s_table = string( it0->substr( it0->rfind('.') + 1 ) ) ;
}
if( sins_to.fieldNameExists( *it0 ) ){
field_names_to.push_back(string( *it0) ) ;
if(sins_to.getFieldType( *it0) == *it1 ){
}else{
perror( ": Type mismatch");
return ret;
}
}else{
if(sins_to.fieldNameExists(s_table) ) {
field_names_to.push_back(string( s_table ) ) ;
if(sins_to.getFieldType( s_table) == *it1 ){
}else{
perror( ": Type mismatch");
return ret;
}
} else{
perror( "exec: No such field");
}
}
}
for(vector<Tuple>::iterator it_tuple = temp.begin(); it_tuple != temp.end(); it_tuple ++) {
for(it1 = field_types_from.begin(), it2 = field_names_from.begin() ;
it1 != field_types_from.end() ; it1++, it2++){
if(*it1 == INT){
INTv.push_back( it_tuple->getField( *it2).integer ) ;
}else{
STRv.push_back( *(it_tuple->getField( *it2).str) ) ;
}
}
p->insert(table_n, field_names_to, STRv, INTv) ;
INTv.clear();
STRv.clear() ;
}
}else{
perror("Size mismatch");
return ret;
}
}else{
return ret;
}
}else if(this->type == TAU){
string table_n;
if(this->left->type == TABLE && (output_s.empty() || output_s.top() == NULL) ){
Schema s = p->schema_manager.getSchema( this->left->info[0] ) ;
string s_table ;
unsigned long found = this->info[0].rfind('.') ;
table_n = this->left->info[0] ;
if(found == std::string::npos){
s_table = string( table_n + "." + this->info[0] ) ;
}else{
s_table = string( this->info[0].substr( this->info[0].rfind('.') + 1 ) ) ;
}
if( s.fieldNameExists( this->info[0] ) ){
ret = p->SortTwoPass(table_n, this->info[0]) ;
}else if(s.fieldNameExists(s_table) ) {
ret = p->SortTwoPass(table_n, s_table) ;
}else{
perror("No such field");
return ret ;
}
}else{
vector<Tuple> temp = this->left->exec( false, &table_n ) ;
if(table_name != NULL) { (*table_name ) = string( this->info[0] ) ;}
if(temp.size() != 0){
Schema s = temp[0].getSchema() ;
string temp_table_name = "temp_table" ;
while(p->schema_manager.relationExists(temp_table_name) ){
temp_table_name += "-a" ;
}
p->CreateTable(temp_table_name, temp ) ;
temp_relations.push_back( temp_table_name ) ;
unsigned long found = this->info[0].rfind('.') ;
string s_table ;
if(found == std::string::npos){
s_table = string( table_n + "." + this->info[0] ) ;
}else{
s_table = string( this->info[0].substr( this->info[0].rfind('.') + 1 ) ) ;
}
if( s.fieldNameExists( this->info[0] ) ){
ret = p->SortTwoPass(temp_table_name, this->info[0]) ;
}else if(s.fieldNameExists(s_table) ) {
ret = p->SortTwoPass(temp_table_name, s_table) ;
}else{
perror("No such field");
return ret ;
}
}else{
return ret;
}
}
}else if(this->type == DELTA ){
string table_n;
if(this->left->type == TABLE){
table_n = this->left->info[0] ;
ret = p->dupTwoPass(table_n) ;
}else{
vector<Tuple> temp = this->left->exec( false , &table_n) ;
if(table_name != NULL) { (*table_name ) = string( this->info[0] ) ;}
if(temp.size() != 0){
Schema s = temp[0].getSchema() ;
string temp_table_name = "temp_table" ;
while(p->schema_manager.relationExists(temp_table_name) ){
temp_table_name += "-a" ;
}
p->CreateTable(temp_table_name, temp );
temp_relations.push_back(temp_table_name ) ;
ret = p->dupTwoPass(temp_table_name) ;
}else{
return ret;
}
}
}else if(this->type == PI ){
string table_n;
vector<Tuple> temp = this->left->exec( false, &table_n ) ;
if(table_name != NULL) { (*table_name ) = string( this->info[0] ) ;}
if(temp.size() != 0){
Schema s = temp[0].getSchema() ;
vector<string> field_names ;
vector<enum FIELD_TYPE> field_types ;
for(vector<string>::iterator it= this->info.begin(); it != this->info.end(); it++){
unsigned long found = it->rfind('.') ;
string s_table ;
if(found == std::string::npos){
s_table = string( table_n + "." + (*it) ) ;
}else{
s_table = string( it->substr( it->rfind('.') + 1 ) ) ;
}
if( s.fieldNameExists( *it ) ){
field_names.push_back(string(*it) ) ;
field_types.push_back(s.getFieldType( *it) ) ;
}else{
if(s.fieldNameExists(s_table) ) {
field_names.push_back(string( s_table ) ) ;
field_types.push_back( s.getFieldType( s_table ) );
} else{
perror( "exec: No such field");
}
}
}
string temp_table_name = "temp_table" ;
Relation *rlt = NULL;
while(p->schema_manager.relationExists(temp_table_name) ){
temp_table_name += "-a" ;
}
rlt = p->CreateTable(temp_table_name, field_names, field_types) ;
temp_relations.push_back(temp_table_name ) ;
for(vector<Tuple>::iterator tit = temp.begin(); tit != temp.end(); tit++){
Tuple t = rlt->createTuple() ;
for(vector<string>::iterator it = field_names.begin(); it != field_names.end() ; it++){
union Field f= tit->getField(*it) ;
if( s.getFieldType(*it) == INT ){
t.setField( *it, f.integer ) ;
}else{
t.setField( *it, *(f.str)) ;
}
}
ret.push_back( t ) ;
}
}else{
return ret;
}
}else if(this->type == PRODUCT){
vector<string> ptables;
vector<Relation *> relations ;
map<string, Qexpression *> sigma_operation ;
vector<string> commons ;
map<string, bool> joined_keys;
vector<string>::iterator it = ptables.begin();
ptables.insert(ptables.end(), this->info.begin(), this->info.end() );
if(output_s.empty() ){
}else if(output_s.top()->type == INTEGER || output_s.top()->type == LITERAL ){
Tuple *t = NULL;
if(output_s.top()->judge(*t) ){
/* WHERE clasuse always true */
while(! output_s.empty() ){ output_s.top()->free() ;output_s.pop();}
}else{
/* empty results */
return ret;
}
}else{
Qexpression *optimized = output_s.top()->optimize_sigma(&sigma_operation) ;
output_s.pop(); if(optimized != NULL){ output_s.push(optimized) ;}
#ifdef DEBUG
for(map<string, Qexpression *>::iterator it = sigma_operation.begin(); it != sigma_operation.end(); it ++){
cout << it->first << "->" << endl;
it->second->print(0);
}
#endif
if( ! output_s.empty() ){
optimized = output_s.top()->optimize_join(commons, joined_keys) ;
output_s.pop();
if(optimized != NULL){
output_s.push(optimized) ;
}else{
while(! output_s.empty() ){output_s.top()->free() ; output_s.pop();}
}
if(! output_s.empty()){
#ifdef DEBUG
output_s.top()->print(0);
#endif
}
}
#ifdef DEBUG
cerr << "commons: ";
for(vector<string>::iterator it = commons.begin(); it != commons.end(); it++){
cerr<< *it << " " ;
}
cerr << endl ;
#endif
}
vector<string> to_drop ;
for(vector<string>::iterator it = ptables.begin(); it != ptables.end(); ){
if(sigma_operation[*it] == NULL){
it++;
}else{
Relation *temp_relation;
vector<Tuple> tuples = p->singleTableSelect( *it , sigma_operation[*it] ) ;
if(tuples.size() != 0){
temp_relation = p->CreateTable( ( *it) + "-SIGMA", tuples) ;
}else{
vector<string> field_names = p->schema_manager.getRelation(*it)->getSchema().getFieldNames();
vector<enum FIELD_TYPE> field_types = p->schema_manager.getRelation(*it)->getSchema().getFieldTypes() ;
temp_relation = p->CreateTable( (*it) + "-SIGMA" , field_names, field_types ) ;
}
to_drop.push_back( temp_relation->getRelationName() ) ;
it = ptables.erase(it) ;ptables.insert( it, temp_relation->getRelationName() ) ;
}
}
if(ptables.size() == 2){
if(ptables[0] <= ptables[1]){
ret = p->JoinTwoPass(ptables[0], ptables[1], commons ) ;
}else{
ret = p->JoinTwoPass(ptables[1], ptables[0], commons ) ;
}
}else{
ret = p->JoinTables(ptables, commons) ;
}
for(vector<string>::iterator it = to_drop.begin(); it != to_drop.end(); it++){
p->DropTable(*it) ;
}
if(output_s.empty() ){
}else{
string temp_table_name = "temp_table";
while(p->schema_manager.relationExists(temp_table_name)) {
temp_table_name += "-a";
}
p->CreateTable( temp_table_name, ret ) ;
temp_relations.push_back(temp_table_name) ;
ret = p->singleTableSelect(temp_table_name, output_s.top() ) ;
}
}else if(this->type == TABLE){
if(table_name != NULL) { (*table_name ) = string( this->info[0] ) ;}
ret = p->singleTableSelect(this->info[0], output_s.empty() ? NULL : output_s.top() );
}else{
return ret;
}
if(ret.size() != 0 && print){
vector<string> field_names =
ret[0].getSchema( ).getFieldNames() ;
cout << "-----------------" << endl ;
for(vector<string>::iterator it = field_names.begin(); it != field_names.end(); it++){
cout<< *it << ' ' ;
} cout << endl << "-----------------" << endl ;
for(vector<Tuple>::iterator it = ret.begin(); it != ret.end(); it ++ ){
cout << (*it) << endl;
}cout << "-----------------" << endl ;
}
return ret;
}
void print_stack(stack<StackType> s)
{
while(!s.empty())
{
StackType b = s.top();
s.pop();
switch(b.code)
{
case add: cout<<"+"<<" "; break;
case multy: cout<<"*"<<" "; break;
case in: cout<<">>"<<" "; break;
case out: cout<<"<<"<<" "; break;
case sub: cout<<"-"<<" "; break;
case DEV: cout<<"/"<<" "; break;
case MOD: cout<<"%"<<" "; break;
case Equal: cout<<"=="<<" "; break;
case not_equal: cout<<"!="<<" "; break;
case less_or_equal: cout<<"<="<<" "; break;
case more_or_equal: cout<<">="<<" "; break;
case more: cout<<">"<<" "; break;
case Less: cout<<"<"<<" "; break;
case scolar: cout<<"~"<<" "; break;
case conc: cout<<"@"<<" "; break;
case AND: cout<<"&"<<" "; break;
case OR: cout<<"|"<<" "; break;
case sp: cout<<"#"<<" "; break;
case ssh: cout<<"\\"<<" "; break;
case sl: cout<<"::"<<" "; break;
case Xor: cout<<"^"<<" "; break;
case ls: cout<<"--"<<" "; break;
case rs: cout<<"++"<<" "; break;
case otr: cout<<"!"<<" "; break;
case id: cout<<"id "<<" "; break;
case keyword: cout<<b.name<<" "; break;
case semicolon: cout<<";"<<" "; break;
case coma: cout<<","<<" "; break;
case lable: cout<<"lable: "<<b.name<<" "; break;
case lbr: cout<<"("<<" "; break;
case rbr: cout<<")"<<" "; break;
case rfs: cout<<"}"<<" "; break;
case lfs: cout<<"{"<<" "; break;
case colon: cout<<":"<<" "; break;
case S: cout<<"S"<<" "; break;
case P: cout<<"P"<<" "; break;
case G: cout<<"G"<<" "; break;
case X: cout<<"X"<<" "; break;
case X1: cout<<"X1"<<" "; break;
case TYPE: cout<<"TYPE"<<" "; break;
case O: cout<<"O"<<" "; break;
case W: cout<<"W"<<" "; break;
case W1: cout<<"W1"<<" "; break;
case T: cout<<"T"<<" "; break;
case T1: cout<<"T1"<<" "; break;
case K: cout<<"K"<<" "; break;
case E: cout<<"E"<<" "; break;
case I: cout<<"I"<<" "; break;
case U: cout<<"U"<<" "; break;
case A: cout<<"A"<<" "; break;
case B: cout<<"B"<<" "; break;
case C: cout<<"C"<<" "; break;
case D: cout<<"D"<<" "; break;
case F: cout<<"F"<<" "; break;
case L: cout<<"L"<<" "; break;
case SH: cout<<"SH"<<" "; break;
case H: cout<<"H"<<" "; break;
case J: cout<<"J"<<" "; break;
case Z: cout<<"Z"<<" "; break;
case G1: cout<<"G1"<<" "; break;
case ID: cout<<"ID"<<" "; break;
case CONST: cout<<"const"<<" "; break;
case W2: cout<<"W2"<<" "; break;
}
}
cout<<endl;
}
bool isEmpty() {
return s1.empty();
}
int main()
{
int cas;
while(~scanf("%d",&cas))
{
while(cas--)
{
scanf("%d%d%d",&day,&n,&w);
for(int i=1; i<=day; i++) scanf("%d",&w_boy[i]);
for(int i=0; i<n; i++) for(int j=0; j<n; j++) scanf("%lf",&place[i][j]);
for(int i=0; i<n; i++) for(int j=0; j<w; j++) scanf("%lf",&weather[i][j]);
for(int i=0; i<=day; i++) for(int j=0; j<n; j++) dp[i][j]=0;
dp[0][0]=1.00;
for(int i=0; i<day; i++)
{
for(int j=0; j<n; j++)
{
double tmp=dp[i][j];
for(int k=0; k<n; k++)
{
double t1=place[j][k];
double t2=weather[k][w_boy[i+1]];
if(dp[i+1][k]<tmp*t1*t2)
{
dp[i+1][k]=tmp*t1*t2;
pre[i+1][k]=j;
}
}
}
int flag=0;
for(int j=0; j<n; j++)
{
if(dp[i+1][j]>inf)
{
flag=1;
break;
}
}
if(!flag)
{
for(int j=0; j<n; j++)
{
dp[i+1][j]*=inf;
}
}
}
double tmax=0.0;
int flag=0;
for(int i=0; i<n; i++)
{
if(dp[day][i]>tmax)
{
tmax=dp[day][i];
flag=i;
}
}
q1.push(flag);
flag=pre[day][flag];
int num=day-1;
while(num)
{
q1.push(flag);
flag=pre[num][flag];
num--;
}
int flag2=0;
while(!q1.empty())
{
int t1=q1.top();
q1.pop();
if(flag2) printf(" %d",t1);
else
{
flag2=1;
printf("%d",t1);
}
}
puts("");
}
}
return 0;
}
// Return whether the queue is empty.
bool empty(void) {
return s_in.empty()&&s_out.empty();
}
bool Queue::empty(){
return second.empty();
}
// Return whether the queue is empty.
bool empty(void) {
return push_stack.empty() && queue.empty();
}
// Return whether the queue is empty.
bool empty(void) {
return in.empty();
}
void push(int x) {
arr.push(x);
if (minValue.empty() || x <= minValue.top())
minValue.push(x);
}
int main()
{
ios::sync_with_stdio(false);cin.tie(0); // decrease the time of cin, cout
int t, n , k;
cin >> t;
while(t--){
cin >> n;
while(!first.empty()) first.pop(); // clear stacks in every test case
while(!last.empty()) last.pop();
for(int i = 1; i <= n; i++) cin >> arr[i];
backwardStore[1] = 0; // first vehicle doesn't have a previous one
first.push(1); // first vehicle has an index (1)
for(int i = 2; i <= n; i++){
while(!first.empty() && arr[i] > arr[first.top()]) // pop all less height vehicles
first.pop();
if(!first.empty()) backwardStore[i] = i - first.top(); // this driver can see backward up to first.top()
else backwardStore[i] = i - 1; // this is the highest vehicle until now
first.push(i); // push vehicles indexes
}
forwardStore[n] = 0; //last vehicle doesn't have a follower vehicle
last.push(n);
for(int i = n - 1; i >= 1; i--){
while(!last.empty() && arr[i] > arr[last.top()]) last.pop();
if(!last.empty()) forwardStore[i] = last.top() - i;
else forwardStore[i] = n - i;
last.push(i);
}
long long maxi = -1; // initialize the maximum SIGHT
int index = -1;
//for(int i=1;i<=n;i++){
//cout << "height : " << arr[i] << " left : " << backwardStore[i] << " right : " << forwardStore[i] << endl;
//}
for(int i = 1; i <= n; i++){
long long sum = backwardStore[i] + forwardStore[i];
sum = ( (sum % mod) * (i) ) % mod;
if(sum > maxi){ // update maximum and index of the driver who have the maximum SIGHT until now
maxi = sum;
index = i;
}
}
cout << index << "\n";
}
return 0;
}
void print(stack<int> my_tour) {
while (!my_tour.empty()) {
int top = my_tour.top(); cout << top << ' ';
my_tour.pop();
}
}
/** @return whether we have a next smallest number */
bool hasNext() {
if (!sta.empty())
return true;
else
return false;
}
void push(int x)
{
s1.push(x);
if(s2.empty()||x<=s2.top())
s2.push(x);
}
void transfere() {
while (!s_2.empty()) {
s_1.push(s_2.top());
s_2.pop();
}
}
