int main() {
scanf("%d", &n);
int left = inf, right = -inf;
for (int i = 0; i < n; ++i) {
for (int j = 0; j < n; ++j) {
scanf("%d", &mat[i][j]);
if (mat[i][j] < left) left = mat[i][j];
if (mat[i][j] > right) right = mat[i][j];
}
}
while (left <= right) {
int mid = (left + right) / 2;
for (int i = 0; i < n; ++i) {
for (int j = 0; j < n; ++j) {
if (mat[i][j] <= mid) mm[i][j] = 1;
else mm[i][j] = 0;
}
}
int ret = hungary(n, n, mm, match1, match2);
if (ret == 1) right = mid - 1;
else left = mid + 1;
}
printf("%d\n", left);
for (int i = 0; i < n; ++i) {
for (int j = 0; j < n; ++j) {
if (mat[i][j] <= left) mm[i][j] = 1;
else mm[i][j] = 0;
}
}
hungary(n, n, mm, match1, match2);
for (int i = 0; i < n; ++i) {
printf("%d %d\n", i + 1, match1[i] + 1);
}
return 0;
}
int main() {
scanf("%d%d%d", &n, &m, &k);
for (int i = 1, a, b; i <= k; i ++)
scanf("%d%d", &a, &b), map[a][b] = true;
int ans = hungary();
printf("%d\n", n + m - hungary());
return 0;
}
void output()
{
printf("%d\n",hungary() + hunterNumber);
memset(hunterLink, 0, sizeof(hunterLink));
for(int i=1;i<=dogNumber;++i)
{
if(link[i])
{
hunterLink[link[i]] = i;
}
}
for(int i=1;i<=hunterNumber;++i)
{
if(i>1)
{
printf(" ");
}
hunterRoute[i].output();
if(hunterLink[i])
{
printf(" ");
dogInterest[hunterLink[i]].output();
}
}
printf("\n");
}
bool hungary(int x)
{
f[x]=true;
for (int i=1;i<=m;i++)
{
if (g[i])
continue;
int d=dx[x]+dy[i]-w[x][i];
if (!d)
{
g[i]=true;
if (b[i])
{
link[x]=i;
next[x]=0;
return(true);
}
for (int j=1;j<=n;j++)
{
if (f[j])
continue;
if (c[j][i] && hungary(j))
{
link[x]=i;
next[x]=j;
return(true);
}
}
}
else if (d<slack[i])
slack[i]=d;
}
return(false);
}
int main()
{
bool hungary(int);
void push(int);
int t;
scanf("%d",&t);
while (t--)
{
scanf("%d%d",&n,&m);
for (int i=1;i<=n;i++)
scanf("%d",&a[i]);
for (int i=1;i<=m;i++)
scanf("%d",&b[i]);
memset(dx,-26,sizeof(dx));
memset(dy,0,sizeof(dy));
memset(c,0,sizeof(c));
for (int i=1;i<=n;i++)
for (int j=1;j<=m;j++)
{
scanf("%d",&w[i][j]);
w[i][j]*=-1;
if (w[i][j]>dx[i])
dx[i]=w[i][j];
}
for (int i=1;i<=n;i++)
while (1)
{
memset(slack,26,sizeof(slack));
while (a[i])
{
memset(f,0,sizeof(f));
memset(g,0,sizeof(g));
if (hungary(i))
push(i);
else
break;
}
if (!a[i])
break;
int d=1<<30;
for (int i=1;i<=m;i++)
if (!g[i] && slack[i]<d)
d=slack[i];
for (int i=1;i<=n;i++)
if (f[i])
dx[i]-=d;
for (int i=1;i<=m;i++)
if (g[i])
dy[i]+=d;
}
int ans=0;
for (int i=1;i<=n;i++)
for (int j=1;j<=m;j++)
ans+=c[i][j]*w[i][j];
printf("%d\n",-ans);
}
system("pause");
return(0);
}
int main()
{
int res;
init();
res = hungary();
printf("%d\n", res);
return 0;
}
bool hungary(int x)
{
int i;
for(i=1;i<=n;i++)
if(g[x][i]&&!visit[i]){
visit[i]=1;
if(match[i]==-1||hungary(match[i])){
match[i]=x;
return 1;
}
}
return 0;
}
int hungary(int nd) {
int i;
x[nd] = 1;
for(i = 1; i <= M; i++) {
if(y[i] == 0 && fabs(W[nd][i]-lx[nd]-ly[i]) < eps) {
y[i] = 1;
if(my[i] == 0 || hungary(my[i])) {
my[i] = nd;
return 1;
}
}
}
return 0;
}
void run()
{
int i,j,a,b,ans=0;
memset(g,0,sizeof(g));
memset(match,-1,sizeof(match));
for(i=1;i<=k;i++){
scanf("%d%d",&a,&b);
g[a][b]=1;
}
for(i=1;i<=m;i++){
memset(visit,0,sizeof(visit));
if(hungary(i)) ans++;
}
printf("%d\n",ans);
}
int main()
{
int m,n,k,i,j;
while(scanf("%d%d%d",&m,&n,&k)==3 && m){
memset(mp,0,sizeof(mp));
while(k--){
scanf("%*d%d%d",&i,&j);
mp[i-1][j-1]=1;
}
printf("%d\n",hungary(m,n));
}
return 0; /* NZEC */
}
int main()
{
int x;
while(scanf("%d%d", &n, &m) != EOF) {
init();
for(int i = 0; i < n; i++)
for(int j = 0; j < m; j++) {
scanf("%d", &x);
path[i][j] = x;
}
for(int i = 0; i < m; i++) scanf("%d", &cap[i]);
printf(hungary() ? "YES\n" : "NO\n");
}
return 0;
}
int main()
{
init();
if ( hungary() )
work();
else
for( int i = 1 ; i <= on ; ++ i )
{
for( int j = 1 ; j <= m ; ++ j )
printf("1");
printf("\n");
}
return 0;
}
int main()
{
int m, i, j;
while(1)
{
scanf("%d %d", &n, &m);
if(n == 0 && m == 0) break;
memset(adj, 0, sizeof(adj));
while(m--)
{
scanf("%d %d", &i, &j);
adj[i][j] = 1;
}
printf("%d\n", n - hungary());
}
return 0;
}
int main() {
int tot = primes(Max_M), n;
for(scanf("%d", &_); _--; ) {
scanf("%d", &n);
init(n);
for(int i = 0; i < n; ++i) {
scanf("%d", bn + i);
}
for(int i = 0, j; i < n; ++i) {
for(j = i+1; j < n; ++j) if(Check(bn[i], bn[j])) {
add(i, j);
}
}
static int cas = 0;
printf("Case #%d: %d\n", ++cas, n - hungary(n));
}
return 0;
}
int main(){
scanf("%d%d",&n,&m);
for(int i=1;i<=n;i++){
scanf("%s",map[i]+1);
for(int j=1;j<=m;j++){
if(map[i][j]=='.'){
sx=i;
sy=j;
map[i][j]='X';
}
}
}
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++){
if(map[i][j]=='O'&&(i^sx^j^sy)&1){
V[i][j].type=-1;
if(V[i-1][j].type)
addedge(&V[i][j],&V[i-1][j]);
if(V[i][j-1].type)
addedge(&V[i][j],&V[i][j-1]);
}
else
if(map[i][j]=='X'&&!((i^sx^j^sy)&1)){
V[i][j].type=1;
if(V[i-1][j].type)
addedge(&V[i][j],&V[i-1][j]);
if(V[i][j-1].type)
addedge(&V[i][j],&V[i][j-1]);
}
}
hungary();
int k; scanf("%d",&k);
for(int t=1;t<=k;t++){
bool tmp=win();
scanf("%d%d",&sx,&sy);
if(win()&&tmp)
ans[++*ans]=t;
scanf("%d%d",&sx,&sy);
}
printf("%d\n",*ans);
for(int i=1;i<=*ans;i++) printf("%d\n",ans[i]);
}
int main()
{
int m, x, y;
while(scanf("%d%d", &n, &m) != EOF) {
init();
for(int i = 0; i < m; i++) {
scanf("%d%d", &x, &y);
add_edge(x, y);
add_edge(y, x);
}
if(!dye()) {
printf("No\n");
continue;
}
build();
when++;
printf("%d\n", hungary());
}
return 0;
}
int main() {
int T;
scanf("%d", &T);
while(T--) {
int n, m, t;
scanf("%d%d%d", &n, &m, &t);
for(int i = 0; i < t; i++) scanf("%lf%lf", x + i, y + i);
for(int i = 0; i < t; i++) {
y[i] = y[i] - sqrt(sqr(n / 2.0) - sqr(1.0 * n / 2.0 - x[i]));
}
int up = (int)*std::max_element(x, x + t);
for(int i = 0; i < up + 1; i++) g[i].clear();
for(int i = 0; i < t; i++) {
int u = x[i];
// g[u].push_back(ceil(y[i]));
g[u].push_back(floor(y[i]));
}
printf("%d\n", hungary(up + 1));
}
return 0;
}
double KM() {
int i, j, k;
double d;
memset(mx, 0, sizeof(mx));
memset(my, 0, sizeof(my));
memset(lx, 0, sizeof(lx));
memset(ly, 0, sizeof(ly));
for(i = 1; i <= N; i++)
for(j = 1, lx[i] = W[i][j]; j <= M; j++)
lx[i] = lx[i] > W[i][j] ? lx[i] : W[i][j];
for(i = 1; i <= N; i++) {
while(1) {
memset(x, 0, sizeof(x));
memset(y, 0, sizeof(y));
if(hungary(i)) break;
d = 0xfffffff;
for(j = 1; j <= N; j++) {
if(x[j]) {
for(k = 1; k <= M; k++)
if(!y[k])
d = d < lx[j]+ly[k]-W[j][k] ?
d : lx[j]+ly[k]-W[j][k];
}
}
if(d == 0xfffffff) break;
for(j = 1; j <= N; j++)
if(x[j]) lx[j] -= d;
for(j = 1; j <= M; j++)
if(y[j]) ly[j] += d;
}
}
double res = 0;
for(i = 1; i <= M; i++) {
if(my[i])
res += W[my[i]][i];
}
return res;
}
bool hungary(int x)
{
if (!x)
return(true);
f[x]=true;
for (int i=1;i<=n;i++)
{
if (g[i])
continue;
int t=dx[x]+dy[i]-w[x][i];
if (!t)
{
g[i]=true;
if (hungary(b[i]))
{
b[i]=x;
return(true);
}
}
else if (t<slack[i])
slack[i]=t;
}
return(false);
}
int main ()
{
int T, ns, np, nw;
scanf("%d", &T);
while(T --)
{
int to;
scanf("%d %d %d", &ns, &np, &nw);
memset(msp, 0, sizeof(msp));
memset(msw, 0, sizeof(msw));
memset(mpw, 0, sizeof(mpw));
for(int i = 1; i <= ns; i ++)
{
int temp;
scanf("%d", &temp);
while(temp --)
{
scanf("%d", &to);
msp[i][to] = 1;
}
}
for(int i = 1; i <= ns; i ++)
{
int temp;
scanf("%d", &temp);
while(temp --)
{
scanf("%d", &to);
msw[i][to] = 1;
}
}
for(int i = 1; i <= np; i ++)
{
int temp;
scanf("%d", &temp);
while(temp --)
{
scanf("%d", &to);
mpw[i][to] = 1;
}
}
memset(g, 0, sizeof(g));
for(int i = 1; i <= np; i ++)
{
for(int j = 1; j <= ns; j ++)
{
if(msp[j][i])
{
for(int k = 1; k <= nw; k ++)
{
if(msw[j][k] && mpw[i][k])
{
g[i - 1][j - 1] = 1;
}
}
}
}
}
uN = np, vN = ns;
printf("%d\n", hungary());
}
return 0;
}
int main()
{
bool hungary(int);
int t;
scanf("%d",&t);
while (t--)
{
int m,p[501],a[501][501];
scanf("%d",&n);
for (int i=1;i<=n;i++)
scanf("%d",&p[i]);
memset(a,26,sizeof(a));
scanf("%d",&m);
for (int i=1;i<=m;i++)
{
int x,y;
scanf("%d%d",&x,&y);
a[x][y]=a[y][x]=1;
}
for (int i=1;i<=n;i++)
a[i][i]=0;
for (int k=1;k<=n;k++)
for (int i=1;i<=n;i++)
for (int j=1;j<=n;j++)
if (a[i][k]+a[k][j]<a[i][j])
a[i][j]=a[i][k]+a[k][j];
memset(dx,-26,sizeof(dx));
memset(dy,0,sizeof(dy));
for (int i=1;i<=n;i++)
for (int j=1;j<=n;j++)
{
w[i][j]=-a[p[i]][j];
if (w[i][j]>dx[i])
dx[i]=w[i][j];
}
memset(b,0,sizeof(b));
for (int i=1;i<=n;i++)
{
memset(slack,26,sizeof(slack));
while (1)
{
memset(f,0,sizeof(f));
memset(g,0,sizeof(g));
if (hungary(i))
break;
int d=1<<30;
for (int j=1;j<=n;j++)
if (!g[j] && slack[j]<d)
d=slack[j];
for (int j=1;j<=n;j++)
{
if (f[j])
dx[j]-=d;
if (g[j])
dy[j]+=d;
}
}
}
int ans=0;
for (int i=1;i<=n;i++)
ans+=w[b[i]][i];
printf("%d\n",-ans);
}
system("pause");
return(0);
}
int Workout()
{
Enum();
CreateMap();
return hungary(Rowl, Coll, g_list);
}