c#include <bits/stdc++.h> using namespace std; bool ver[16], diag1[25], diag2[25]; int N, cnt; void search(int idx){ if(idx == N)
#include <bits/stdc++.h> using namespace std; bool ver[16], diag1[25], diag2[25]; int N, cnt; void search(int idx){ if(idx == N)