Submission #404483

# Submission time Handle Problem Language Result Execution time Memory
404483 2021-05-14T13:34:12 Z rama_pang Bomb (IZhO17_bomb) C++17
24 / 100
349 ms 129308 KB
#include <bits/stdc++.h>
using namespace std;

int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);

  int N, M;
  cin >> N >> M;

  vector<vector<int>> A(N, vector<int>(M));
  for (int i = 0; i < N; i++) {
    for (int j = 0; j < M; j++) {
      char c;
      cin >> c;
      A[i][j] = c - '0';
    }
  }

  const auto Solve = [&](const vector<vector<int>> &A) {
    vector<vector<int>> H, V;
    H.assign(N, vector<int>(M, 0));
    V.assign(N, vector<int>(M, 0));

    for (int i = 0; i < N; i++) {
      for (int j = 0; j < M; j++) if (A[i][j] == 1) {
        int jj = j;
        while (jj + 1 < M && A[i][jj + 1] == 1) jj += 1;
        for (int k = j; k <= jj; k++) {
          H[i][k] = jj - j + 1;
        }
        j = jj;
      }
    }

    for (int j = 0; j < M; j++) {
      for (int i = 0; i < N; i++) if (A[i][j] == 1) {
        int ii = i;
        while (ii + 1 < N && A[ii + 1][j] == 1) ii += 1;
        for (int k = i; k <= ii; k++) {
          V[k][j] = ii - i + 1;
        }
        i = ii;
      }
    }

    return pair(H, V);
  };

  auto [H, V] = Solve(A);

  int ansN = N;
  int ansM = M;

  for (int i = 0; i < N; i++) {
    for (int j = 0; j < M; j++) if (A[i][j] != 0) {
      ansN = min(ansN, V[i][j]);
      ansM = min(ansM, H[i][j]);
    }
  }

  cout << ansN * ansM << '\n';
  return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 972 KB Output is correct
4 Correct 2 ms 956 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Incorrect 1 ms 204 KB Output isn't correct
9 Incorrect 1 ms 204 KB Output isn't correct
10 Incorrect 1 ms 204 KB Output isn't correct
11 Incorrect 1 ms 204 KB Output isn't correct
12 Incorrect 1 ms 204 KB Output isn't correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Incorrect 1 ms 204 KB Output isn't correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Incorrect 1 ms 332 KB Output isn't correct
19 Incorrect 1 ms 460 KB Output isn't correct
20 Incorrect 1 ms 460 KB Output isn't correct
21 Incorrect 1 ms 320 KB Output isn't correct
22 Incorrect 1 ms 460 KB Output isn't correct
23 Incorrect 1 ms 460 KB Output isn't correct
24 Incorrect 1 ms 332 KB Output isn't correct
25 Incorrect 1 ms 460 KB Output isn't correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 4 ms 1988 KB Output is correct
28 Incorrect 4 ms 2636 KB Output isn't correct
29 Incorrect 5 ms 2884 KB Output isn't correct
30 Incorrect 7 ms 4172 KB Output isn't correct
31 Incorrect 6 ms 3364 KB Output isn't correct
32 Incorrect 6 ms 3532 KB Output isn't correct
33 Incorrect 8 ms 4428 KB Output isn't correct
34 Incorrect 4 ms 2008 KB Output isn't correct
35 Incorrect 7 ms 4428 KB Output isn't correct
36 Correct 8 ms 4428 KB Output is correct
37 Incorrect 1 ms 312 KB Output isn't correct
38 Correct 322 ms 129212 KB Output is correct
39 Incorrect 1 ms 204 KB Output isn't correct
40 Incorrect 29 ms 16272 KB Output isn't correct
41 Incorrect 1 ms 204 KB Output isn't correct
42 Incorrect 1 ms 460 KB Output isn't correct
43 Correct 294 ms 129132 KB Output is correct
44 Incorrect 7 ms 4428 KB Output isn't correct
45 Incorrect 289 ms 129200 KB Output isn't correct
46 Correct 277 ms 129132 KB Output is correct
47 Incorrect 290 ms 129236 KB Output isn't correct
48 Incorrect 283 ms 129168 KB Output isn't correct
49 Correct 319 ms 129132 KB Output is correct
50 Incorrect 289 ms 129092 KB Output isn't correct
51 Incorrect 282 ms 129168 KB Output isn't correct
52 Incorrect 298 ms 129176 KB Output isn't correct
53 Incorrect 281 ms 129128 KB Output isn't correct
54 Incorrect 262 ms 129128 KB Output isn't correct
55 Incorrect 275 ms 129220 KB Output isn't correct
56 Correct 330 ms 129092 KB Output is correct
57 Incorrect 278 ms 129160 KB Output isn't correct
58 Incorrect 277 ms 129092 KB Output isn't correct
59 Incorrect 275 ms 129168 KB Output isn't correct
60 Correct 296 ms 129092 KB Output is correct
61 Correct 336 ms 129184 KB Output is correct
62 Correct 331 ms 129168 KB Output is correct
63 Correct 349 ms 129128 KB Output is correct
64 Correct 282 ms 129176 KB Output is correct
65 Incorrect 299 ms 129220 KB Output isn't correct
66 Incorrect 298 ms 129220 KB Output isn't correct
67 Incorrect 302 ms 129172 KB Output isn't correct
68 Incorrect 308 ms 129252 KB Output isn't correct
69 Incorrect 282 ms 129160 KB Output isn't correct
70 Incorrect 169 ms 82760 KB Output isn't correct
71 Incorrect 270 ms 129180 KB Output isn't correct
72 Incorrect 281 ms 129308 KB Output isn't correct
73 Incorrect 279 ms 129168 KB Output isn't correct
74 Incorrect 275 ms 129160 KB Output isn't correct
75 Incorrect 277 ms 129180 KB Output isn't correct
76 Incorrect 284 ms 129180 KB Output isn't correct
77 Incorrect 283 ms 129172 KB Output isn't correct
78 Incorrect 292 ms 129208 KB Output isn't correct
79 Incorrect 253 ms 129256 KB Output isn't correct
80 Incorrect 257 ms 129220 KB Output isn't correct
81 Incorrect 262 ms 129168 KB Output isn't correct
82 Incorrect 282 ms 129092 KB Output isn't correct
83 Incorrect 305 ms 129128 KB Output isn't correct
84 Incorrect 261 ms 129200 KB Output isn't correct
85 Incorrect 295 ms 129132 KB Output isn't correct
86 Incorrect 326 ms 129164 KB Output isn't correct
87 Incorrect 277 ms 129296 KB Output isn't correct
88 Incorrect 281 ms 129092 KB Output isn't correct
89 Incorrect 298 ms 129092 KB Output isn't correct
90 Incorrect 178 ms 82852 KB Output isn't correct
91 Incorrect 284 ms 129132 KB Output isn't correct
92 Incorrect 317 ms 129140 KB Output isn't correct
93 Incorrect 324 ms 129128 KB Output isn't correct
94 Incorrect 294 ms 129248 KB Output isn't correct
95 Incorrect 278 ms 129112 KB Output isn't correct
96 Incorrect 285 ms 129132 KB Output isn't correct
97 Incorrect 341 ms 129184 KB Output isn't correct
98 Incorrect 279 ms 129176 KB Output isn't correct
99 Incorrect 311 ms 129132 KB Output isn't correct
100 Incorrect 332 ms 129180 KB Output isn't correct