Submission #697147

#	Time	Username	Problem	Language	Result	Execution time	Memory
697147		kusssso	Bob (COCI14_bob)	C++17	108 / 120	1065 ms	13984 KiB

bob

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 1005;

int n, m;
int a[N][N];

signed main() {
      ios_base::sync_with_stdio(0);
      cin.tie(0);
      cin >> n >> m;
      for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= m; j++) cin >> a[i][j];
      }
      ll ans = 0;
      for (int x = 1; x <= n; x++) {
            vector<int> d(m + 1, 1);
            for (int y = x; y <= n; y++) {
                  if (y > x) {
                        for (int j = 1; j <= m; j++) {
                              d[j] &= (a[y][j] == a[y - 1][j]);
                        }
                  }
                  for (int j = 1; j <= m; j++) {
                        if (!d[j]) continue;
                        int t = j;
                        while (t <= m && d[t] && a[y][t] == a[y][j]) t++;
                        ans += 1LL * (t - j) * (t - j + 1) / 2;
                        j = t - 1;
                  }
            }
      }
      cout << ans;
      return 0;
}

• Subtask 1: 12 / 12
• Subtask 2: 12 / 12
• Subtask 3: 12 / 12
• Subtask 4: 12 / 12
• Subtask 5: 12 / 12
• Subtask 6: 12 / 12
• Subtask 7: 0 / 12
• Subtask 8: 12 / 12
• Subtask 9: 12 / 12
• Subtask 10: 12 / 12