답안 #246150

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
246150	2020-07-08T10:05:49 Z	Nightlight	Dango Maker (JOI18_dango_maker)	C++14	33 / 100	1417 ms	262144 KB

dango_maker

#include <bits/stdc++.h>
using namespace std;

int N, M;
vector<int> adj[3000005];
char A[3005][3005];
int id[3005][3005][2];
int match[3000005];
bitset<3000005> vis;
int p;

void edge(int u, int v) {
//  cout << u << " " << v << "\n";
  adj[u].emplace_back(v);
  adj[v].emplace_back(u);
}

int kuhn(int u) {
  if(vis[u]) return 0;
  vis[u] = 1;
  for(int v : adj[u]) {
    if(match[v] == 0 || kuhn(match[v])) {
      match[u] = v;
      match[v] = u;
      return 1;
    }
  }
  return 0;
}

int main() {
  scanf("%d %d", &N, &M);
  for(int i = 1; i <= N; i++) {
    for(int j = 1; j <= M; j++) {
      scanf(" %c", &A[i][j]);
    }
  }
  for(int i = 1; i <= N; i++) {
    for(int j = 1; j <= M; j++) {
      if(A[i][j] == 'G') {
        if(A[i - 1][j] == 'R' && A[i + 1][j] == 'W') {
          id[i - 1][j][0] = ++p;
          id[i][j][0] = p;
          id[i + 1][j][0] = p;
        }
        if(A[i][j - 1] == 'R' && A[i][j + 1] == 'W') {
          id[i][j - 1][1] = ++p;
          id[i][j][1] = p;
          id[i][j + 1][1] = p;
        }
      }
    }
  }
  for(int i = 1; i <= N; i++) {
    for(int j = 1; j <= M; j++) {
      if(id[i][j][0] && id[i][j][1]) edge(id[i][j][0], id[i][j][1]);
    }
  }
  bool ok = 0;
  int cnt = 0;
  while(ok == 0) {
    ok = 1;
    vis = 0;
    for(int i = 1; i <= p; i++) {
      if(match[i] == 0 && kuhn(i)) {
        cnt++;
        ok = 0;
      }
    }
  }
  printf("%d\n", p - cnt);
//  cin >> N;
}

Compilation message

dango_maker.cpp: In function 'int main()':
dango_maker.cpp:32:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &N, &M);
   ~~~~~^~~~~~~~~~~~~~~~~
dango_maker.cpp:35:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf(" %c", &A[i][j]);
       ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	49 ms	71160 KB	Output is correct
2	Correct	50 ms	71164 KB	Output is correct
3	Correct	52 ms	71160 KB	Output is correct
4	Correct	47 ms	71160 KB	Output is correct
5	Correct	48 ms	71160 KB	Output is correct
6	Correct	45 ms	71168 KB	Output is correct
7	Correct	49 ms	71160 KB	Output is correct
8	Correct	66 ms	71288 KB	Output is correct
9	Correct	47 ms	71160 KB	Output is correct
10	Correct	46 ms	71160 KB	Output is correct
11	Correct	46 ms	71160 KB	Output is correct
12	Correct	46 ms	71160 KB	Output is correct
13	Correct	49 ms	71164 KB	Output is correct
14	Correct	46 ms	71160 KB	Output is correct
15	Correct	47 ms	71160 KB	Output is correct
16	Correct	48 ms	71160 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	49 ms	71160 KB	Output is correct
2	Correct	50 ms	71164 KB	Output is correct
3	Correct	52 ms	71160 KB	Output is correct
4	Correct	47 ms	71160 KB	Output is correct
5	Correct	48 ms	71160 KB	Output is correct
6	Correct	45 ms	71168 KB	Output is correct
7	Correct	49 ms	71160 KB	Output is correct
8	Correct	66 ms	71288 KB	Output is correct
9	Correct	47 ms	71160 KB	Output is correct
10	Correct	46 ms	71160 KB	Output is correct
11	Correct	46 ms	71160 KB	Output is correct
12	Correct	46 ms	71160 KB	Output is correct
13	Correct	49 ms	71164 KB	Output is correct
14	Correct	46 ms	71160 KB	Output is correct
15	Correct	47 ms	71160 KB	Output is correct
16	Correct	48 ms	71160 KB	Output is correct
17	Correct	50 ms	71160 KB	Output is correct
18	Correct	48 ms	71160 KB	Output is correct
19	Correct	57 ms	71160 KB	Output is correct
20	Correct	48 ms	71168 KB	Output is correct
21	Correct	49 ms	71164 KB	Output is correct
22	Correct	46 ms	71160 KB	Output is correct
23	Correct	46 ms	71160 KB	Output is correct
24	Correct	48 ms	71160 KB	Output is correct
25	Correct	47 ms	71160 KB	Output is correct
26	Correct	55 ms	71160 KB	Output is correct
27	Correct	45 ms	71164 KB	Output is correct
28	Correct	46 ms	71288 KB	Output is correct
29	Correct	45 ms	71160 KB	Output is correct
30	Correct	45 ms	71288 KB	Output is correct
31	Correct	45 ms	71296 KB	Output is correct
32	Correct	45 ms	71288 KB	Output is correct
33	Correct	45 ms	71288 KB	Output is correct
34	Correct	46 ms	71160 KB	Output is correct
35	Correct	45 ms	71288 KB	Output is correct
36	Correct	47 ms	71168 KB	Output is correct
37	Correct	47 ms	71168 KB	Output is correct
38	Correct	48 ms	71212 KB	Output is correct
39	Correct	46 ms	71160 KB	Output is correct
40	Correct	48 ms	71264 KB	Output is correct
41	Correct	48 ms	71288 KB	Output is correct
42	Correct	51 ms	71160 KB	Output is correct
43	Correct	47 ms	71160 KB	Output is correct
44	Correct	54 ms	71160 KB	Output is correct
45	Correct	50 ms	71160 KB	Output is correct
46	Correct	47 ms	71288 KB	Output is correct
47	Correct	47 ms	71160 KB	Output is correct
48	Correct	50 ms	71288 KB	Output is correct
49	Correct	54 ms	71264 KB	Output is correct
50	Correct	49 ms	71288 KB	Output is correct
51	Correct	50 ms	71296 KB	Output is correct
52	Correct	47 ms	71160 KB	Output is correct
53	Correct	52 ms	71160 KB	Output is correct

Subtask #3
0 / 67.0

#	결과	실행 시간	메모리	Grader output
1	Correct	49 ms	71160 KB	Output is correct
2	Correct	50 ms	71164 KB	Output is correct
3	Correct	52 ms	71160 KB	Output is correct
4	Correct	47 ms	71160 KB	Output is correct
5	Correct	48 ms	71160 KB	Output is correct
6	Correct	45 ms	71168 KB	Output is correct
7	Correct	49 ms	71160 KB	Output is correct
8	Correct	66 ms	71288 KB	Output is correct
9	Correct	47 ms	71160 KB	Output is correct
10	Correct	46 ms	71160 KB	Output is correct
11	Correct	46 ms	71160 KB	Output is correct
12	Correct	46 ms	71160 KB	Output is correct
13	Correct	49 ms	71164 KB	Output is correct
14	Correct	46 ms	71160 KB	Output is correct
15	Correct	47 ms	71160 KB	Output is correct
16	Correct	48 ms	71160 KB	Output is correct
17	Correct	50 ms	71160 KB	Output is correct
18	Correct	48 ms	71160 KB	Output is correct
19	Correct	57 ms	71160 KB	Output is correct
20	Correct	48 ms	71168 KB	Output is correct
21	Correct	49 ms	71164 KB	Output is correct
22	Correct	46 ms	71160 KB	Output is correct
23	Correct	46 ms	71160 KB	Output is correct
24	Correct	48 ms	71160 KB	Output is correct
25	Correct	47 ms	71160 KB	Output is correct
26	Correct	55 ms	71160 KB	Output is correct
27	Correct	45 ms	71164 KB	Output is correct
28	Correct	46 ms	71288 KB	Output is correct
29	Correct	45 ms	71160 KB	Output is correct
30	Correct	45 ms	71288 KB	Output is correct
31	Correct	45 ms	71296 KB	Output is correct
32	Correct	45 ms	71288 KB	Output is correct
33	Correct	45 ms	71288 KB	Output is correct
34	Correct	46 ms	71160 KB	Output is correct
35	Correct	45 ms	71288 KB	Output is correct
36	Correct	47 ms	71168 KB	Output is correct
37	Correct	47 ms	71168 KB	Output is correct
38	Correct	48 ms	71212 KB	Output is correct
39	Correct	46 ms	71160 KB	Output is correct
40	Correct	48 ms	71264 KB	Output is correct
41	Correct	48 ms	71288 KB	Output is correct
42	Correct	51 ms	71160 KB	Output is correct
43	Correct	47 ms	71160 KB	Output is correct
44	Correct	54 ms	71160 KB	Output is correct
45	Correct	50 ms	71160 KB	Output is correct
46	Correct	47 ms	71288 KB	Output is correct
47	Correct	47 ms	71160 KB	Output is correct
48	Correct	50 ms	71288 KB	Output is correct
49	Correct	54 ms	71264 KB	Output is correct
50	Correct	49 ms	71288 KB	Output is correct
51	Correct	50 ms	71296 KB	Output is correct
52	Correct	47 ms	71160 KB	Output is correct
53	Correct	52 ms	71160 KB	Output is correct
54	Correct	49 ms	71160 KB	Output is correct
55	Correct	58 ms	81392 KB	Output is correct
56	Correct	49 ms	71288 KB	Output is correct
57	Correct	56 ms	85252 KB	Output is correct
58	Correct	134 ms	87928 KB	Output is correct
59	Correct	769 ms	168368 KB	Output is correct
60	Correct	830 ms	168252 KB	Output is correct
61	Correct	770 ms	168324 KB	Output is correct
62	Correct	48 ms	71160 KB	Output is correct
63	Correct	802 ms	167764 KB	Output is correct
64	Runtime error	1417 ms	262144 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
65	Halted	0 ms	0 KB	-

답안 #246150

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 20.0 / 20.0

Subtask #3 0 / 67.0

Subtask #1
13.0 / 13.0

Subtask #2
20.0 / 20.0

Subtask #3
0 / 67.0