#include using namespace std; template inline void chmin(T1 &a,T2 b){if(a>b) a=b;} template inline void chmax(T1 &a,T2 b){if(a>n; for(Int i=0;i>A[i][j],A[i][j]--; using P = pair; vector> vp(n); for(Int i=0;i