Submission #338048

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
338048	2020-12-22T11:11:39 Z	boykut	UFO (IZhO14_ufo)	C++14	30 / 100	2000 ms	19880 KB

ufo

#include <bits/stdc++.h>

using namespace std;

signed main() {
   ios::sync_with_stdio(0);
   cin.tie(0);
   
   int n, m, k, r, p;
   cin >> n >> m >> r >> k >> p;
   
   vector < vector <int> > a(1+n, vector <int> (1+m,0));
   vector < vector <int> > sum(1+n, vector <int> (1+m,0));
   
   for (int i = 1; i <= n; i++) {
      for (int j = 1; j <= m; j++) {
         cin >> a[i][j];
      }
   }
   
   for (int tmp = k; tmp--;) {
      char c; cin >> c;
      int pos, h; cin >> pos >> h;
      if (c == 'N') {
         int cnt = 0;
         for (int i = 1; i <= n; i++) {
            if (a[i][pos] >= h) {
               a[i][pos]--;
               cnt++;
               if (cnt == r) break;
            }
         }
      } else if (c == 'S') {
         int cnt = 0;
         for (int i = n; i >= 1; i--) {
            if (a[i][pos] >= h) {
               a[i][pos]--;
               cnt++;
               if (cnt == r) break;
            }
         }
      } else if (c == 'W') {
         int cnt = 0;
         for (int j = 1; j <= m; j++) {
            if (a[pos][j] >= h) {
               a[pos][j]--;
               cnt++;
               if (cnt == r) break;
            }
         }
      } else {
         int cnt = 0;
         for (int j = m; j >= 1; j--) {
            if (a[pos][j] >= h) {
               a[pos][j]--;
               cnt++;
               if (cnt == r) break;
            }
         }
      }
   }
   
   for (int i = 1; i <= n; i++) {
      for (int j = 1; j <= m; j++) {
         sum[i][j] = a[i][j];
         sum[i][j] += sum[i-1][j];
         sum[i][j] += sum[i][j-1];
         sum[i][j] -= sum[i-1][j-1];
      }
   }
   
   int ans = 0, A, i2, j2;
   for (int i = 1; i <= n; i++) {
      for (int j = 1; j <= m; j++) {
         i2 = i + p - 1, j2 = j + p - 1;
         if (i2 <= n && j2 <= m) {
            A = sum[i2][j2];
            A -= sum[i2][j-1];
            A -= sum[i-1][j2];
            A += sum[i-1][j-1];
            if (A > ans)
               ans = A;
         }
      }
   }
   
   cout << ans << '\n';
   
   return 0;
}

Subtask #1

30.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	4 ms	364 KB	Output is correct
5	Correct	17 ms	748 KB	Output is correct
6	Correct	68 ms	4332 KB	Output is correct
7	Execution timed out	2080 ms	9316 KB	Time limit exceeded
8	Execution timed out	2033 ms	9316 KB	Time limit exceeded
9	Execution timed out	2070 ms	8744 KB	Time limit exceeded
10	Execution timed out	2090 ms	9316 KB	Time limit exceeded
11	Execution timed out	2086 ms	9236 KB	Time limit exceeded
12	Execution timed out	2074 ms	9316 KB	Time limit exceeded
13	Execution timed out	2087 ms	17644 KB	Time limit exceeded
14	Execution timed out	2085 ms	9236 KB	Time limit exceeded
15	Execution timed out	2085 ms	9316 KB	Time limit exceeded
16	Execution timed out	2088 ms	9236 KB	Time limit exceeded
17	Execution timed out	2085 ms	17516 KB	Time limit exceeded
18	Execution timed out	2071 ms	17260 KB	Time limit exceeded
19	Execution timed out	2088 ms	10460 KB	Time limit exceeded
20	Execution timed out	2086 ms	19880 KB	Time limit exceeded