oj.uz

Submission #246175

# Submission time Handle Problem Language Result Execution time Memory
246175 2020-07-08T10:30:27 Z Nightlight Dango Maker (JOI18_dango_maker) C++14
33 / 100
 936 ms 262144 KB 
#include <bits/stdc++.h>
using namespace std;

const int MAXP = 3500005;

int N, M;
vector<int> adj[MAXP];
char A[3005][3005];
int id[3001][3001];
int match[MAXP];
bitset<MAXP> 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') {
          if(p >= MAXP) return 69;
          id[i - 1][j] = ++p;
          id[i][j] = p;
          id[i + 1][j] = p;
        }
      }
    }
  }
  for(int i = 1; i <= N; i++) {
    for(int j = 1; j <= M; j++) {
      if(A[i][j] == 'R' && A[i][j + 1] == 'G' && A[i][j + 2] == 'W') {
        if(p >= MAXP) return 69;
        ++p;
        if(id[i][j]) edge(id[i][j], p);
        if(id[i][j + 1]) edge(id[i][j + 1], p);
        if(id[i][j + 2]) edge(id[i][j + 2], p);
      }
    }
  }
  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:34:8: 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:37:12: 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

# Verdict Execution time Memory Grader output
1 Correct 51 ms 82936 KB Output is correct
2 Correct 51 ms 82936 KB Output is correct
3 Correct 51 ms 82936 KB Output is correct
4 Correct 51 ms 82936 KB Output is correct
5 Correct 50 ms 82944 KB Output is correct
6 Correct 50 ms 82936 KB Output is correct
7 Correct 52 ms 82936 KB Output is correct
8 Correct 50 ms 82940 KB Output is correct
9 Correct 52 ms 82944 KB Output is correct
10 Correct 53 ms 82936 KB Output is correct
11 Correct 51 ms 82944 KB Output is correct
12 Correct 52 ms 82936 KB Output is correct
13 Correct 52 ms 83064 KB Output is correct
14 Correct 51 ms 82944 KB Output is correct
15 Correct 52 ms 82936 KB Output is correct
16 Correct 50 ms 82944 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 82936 KB Output is correct
2 Correct 51 ms 82936 KB Output is correct
3 Correct 51 ms 82936 KB Output is correct
4 Correct 51 ms 82936 KB Output is correct
5 Correct 50 ms 82944 KB Output is correct
6 Correct 50 ms 82936 KB Output is correct
7 Correct 52 ms 82936 KB Output is correct
8 Correct 50 ms 82940 KB Output is correct
9 Correct 52 ms 82944 KB Output is correct
10 Correct 53 ms 82936 KB Output is correct
11 Correct 51 ms 82944 KB Output is correct
12 Correct 52 ms 82936 KB Output is correct
13 Correct 52 ms 83064 KB Output is correct
14 Correct 51 ms 82944 KB Output is correct
15 Correct 52 ms 82936 KB Output is correct
16 Correct 50 ms 82944 KB Output is correct
17 Correct 49 ms 83064 KB Output is correct
18 Correct 52 ms 82936 KB Output is correct
19 Correct 52 ms 82936 KB Output is correct
20 Correct 51 ms 82936 KB Output is correct
21 Correct 56 ms 83064 KB Output is correct
22 Correct 50 ms 83064 KB Output is correct
23 Correct 50 ms 82936 KB Output is correct
24 Correct 51 ms 82944 KB Output is correct
25 Correct 52 ms 83064 KB Output is correct
26 Correct 50 ms 82936 KB Output is correct
27 Correct 61 ms 83064 KB Output is correct
28 Correct 52 ms 83064 KB Output is correct
29 Correct 50 ms 83064 KB Output is correct
30 Correct 51 ms 83064 KB Output is correct
31 Correct 54 ms 83192 KB Output is correct
32 Correct 50 ms 83064 KB Output is correct
33 Correct 54 ms 83068 KB Output is correct
34 Correct 53 ms 83064 KB Output is correct
35 Correct 54 ms 83064 KB Output is correct
36 Correct 54 ms 83064 KB Output is correct
37 Correct 51 ms 83064 KB Output is correct
38 Correct 51 ms 83064 KB Output is correct
39 Correct 51 ms 83064 KB Output is correct
40 Correct 50 ms 83064 KB Output is correct
41 Correct 53 ms 83064 KB Output is correct
42 Correct 50 ms 83064 KB Output is correct
43 Correct 51 ms 83192 KB Output is correct
44 Correct 51 ms 83064 KB Output is correct
45 Correct 51 ms 83064 KB Output is correct
46 Correct 53 ms 83072 KB Output is correct
47 Correct 50 ms 83064 KB Output is correct
48 Correct 52 ms 83064 KB Output is correct
49 Correct 52 ms 83072 KB Output is correct
50 Correct 50 ms 83072 KB Output is correct
51 Correct 52 ms 83072 KB Output is correct
52 Correct 52 ms 83064 KB Output is correct
53 Correct 51 ms 83064 KB Output is correct

Subtask #3
0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 82936 KB Output is correct
2 Correct 51 ms 82936 KB Output is correct
3 Correct 51 ms 82936 KB Output is correct
4 Correct 51 ms 82936 KB Output is correct
5 Correct 50 ms 82944 KB Output is correct
6 Correct 50 ms 82936 KB Output is correct
7 Correct 52 ms 82936 KB Output is correct
8 Correct 50 ms 82940 KB Output is correct
9 Correct 52 ms 82944 KB Output is correct
10 Correct 53 ms 82936 KB Output is correct
11 Correct 51 ms 82944 KB Output is correct
12 Correct 52 ms 82936 KB Output is correct
13 Correct 52 ms 83064 KB Output is correct
14 Correct 51 ms 82944 KB Output is correct
15 Correct 52 ms 82936 KB Output is correct
16 Correct 50 ms 82944 KB Output is correct
17 Correct 49 ms 83064 KB Output is correct
18 Correct 52 ms 82936 KB Output is correct
19 Correct 52 ms 82936 KB Output is correct
20 Correct 51 ms 82936 KB Output is correct
21 Correct 56 ms 83064 KB Output is correct
22 Correct 50 ms 83064 KB Output is correct
23 Correct 50 ms 82936 KB Output is correct
24 Correct 51 ms 82944 KB Output is correct
25 Correct 52 ms 83064 KB Output is correct
26 Correct 50 ms 82936 KB Output is correct
27 Correct 61 ms 83064 KB Output is correct
28 Correct 52 ms 83064 KB Output is correct
29 Correct 50 ms 83064 KB Output is correct
30 Correct 51 ms 83064 KB Output is correct
31 Correct 54 ms 83192 KB Output is correct
32 Correct 50 ms 83064 KB Output is correct
33 Correct 54 ms 83068 KB Output is correct
34 Correct 53 ms 83064 KB Output is correct
35 Correct 54 ms 83064 KB Output is correct
36 Correct 54 ms 83064 KB Output is correct
37 Correct 51 ms 83064 KB Output is correct
38 Correct 51 ms 83064 KB Output is correct
39 Correct 51 ms 83064 KB Output is correct
40 Correct 50 ms 83064 KB Output is correct
41 Correct 53 ms 83064 KB Output is correct
42 Correct 50 ms 83064 KB Output is correct
43 Correct 51 ms 83192 KB Output is correct
44 Correct 51 ms 83064 KB Output is correct
45 Correct 51 ms 83064 KB Output is correct
46 Correct 53 ms 83072 KB Output is correct
47 Correct 50 ms 83064 KB Output is correct
48 Correct 52 ms 83064 KB Output is correct
49 Correct 52 ms 83072 KB Output is correct
50 Correct 50 ms 83072 KB Output is correct
51 Correct 52 ms 83072 KB Output is correct
52 Correct 52 ms 83064 KB Output is correct
53 Correct 51 ms 83064 KB Output is correct
54 Correct 51 ms 82944 KB Output is correct
55 Correct 54 ms 93056 KB Output is correct
56 Correct 53 ms 83064 KB Output is correct
57 Correct 57 ms 96504 KB Output is correct
58 Correct 136 ms 94968 KB Output is correct
59 Correct 776 ms 136312 KB Output is correct
60 Correct 810 ms 136056 KB Output is correct
61 Correct 792 ms 135896 KB Output is correct
62 Correct 50 ms 82944 KB Output is correct
63 Correct 767 ms 135776 KB Output is correct
64 Runtime error 936 ms 262144 KB Execution killed with signal 11 (could be triggered by violating memory limits)
65 Halted 0 ms 0 KB -