#include <bits/stdc++.h> #define endl '\n' #define rep(i,x,y) for(int i=x;i<=y;i++) using namespace std; void solve() { int n,m; cin >> n >> m; vector<set<int>> a(509); int ans = 0; rep(i,1,n) rep(j,1,m) { int x; cin >> x; if(x == min(i, j)) { ans++; continue; ...