oj.uz

Submission #582540

# Submission time Handle Problem Language Result Execution time Memory
582540 2022-06-24T04:47:59 Z 반딧불(#8370) Amusement Park (CEOI19_amusementpark) C++17
19 / 100
 3000 ms 283744 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int n, m;
int ex[102], ey[102];
int idx[102];
bool used[102];

set<string> st;
int ans;

void dfs(int x){
    if(x==n+1){
//        cout << s << endl;
        string s;
        int cnt = 0;
        for(int i=1; i<=m; i++){
            if(idx[ex[i]] > idx[ey[i]]) s.push_back('1'), cnt++;
            else s.push_back('0');
        }
        if(st.find(s) != st.end()) return;
        st.insert(s);
        ans += cnt;
        return;
    }
    for(int i=1; i<=n; i++){
        if(used[i]) continue;
        used[i] = 1;
        idx[i] = x-1;
        dfs(x+1);
        idx[i]=0;
        used[i]=0;
    }
}

int main(){
    scanf("%d %d", &n, &m);
    for(int i=1; i<=m; i++){
        scanf("%d %d", &ex[i], &ey[i]);
    }
    dfs(1);
    printf("%d", ans);
}

Compilation message

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:40:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |     scanf("%d %d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~~
amusementpark.cpp:42:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |         scanf("%d %d", &ex[i], &ey[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 304 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 304 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 308 KB Output is correct
27 Correct 2 ms 300 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 2 ms 340 KB Output is correct
30 Correct 3 ms 596 KB Output is correct
31 Correct 4 ms 852 KB Output is correct
32 Correct 6 ms 212 KB Output is correct
33 Correct 7 ms 212 KB Output is correct
34 Correct 10 ms 372 KB Output is correct
35 Correct 17 ms 684 KB Output is correct
36 Correct 21 ms 1444 KB Output is correct
37 Correct 27 ms 3176 KB Output is correct
38 Correct 33 ms 5240 KB Output is correct
39 Correct 37 ms 212 KB Output is correct
40 Correct 64 ms 312 KB Output is correct
41 Correct 78 ms 484 KB Output is correct
42 Correct 111 ms 760 KB Output is correct
43 Correct 146 ms 3328 KB Output is correct
44 Correct 173 ms 6976 KB Output is correct
45 Correct 229 ms 15048 KB Output is correct
46 Correct 275 ms 28424 KB Output is correct
47 Correct 358 ms 45836 KB Output is correct
48 Correct 65 ms 424 KB Output is correct
49 Correct 94 ms 620 KB Output is correct
50 Correct 95 ms 592 KB Output is correct
51 Correct 94 ms 512 KB Output is correct
52 Correct 422 ms 332 KB Output is correct
53 Correct 688 ms 344 KB Output is correct
54 Correct 892 ms 716 KB Output is correct
55 Correct 1278 ms 3864 KB Output is correct
56 Correct 1592 ms 22932 KB Output is correct
57 Correct 1951 ms 60048 KB Output is correct
58 Correct 2391 ms 128804 KB Output is correct
59 Execution timed out 3069 ms 283744 KB Time limit exceeded
60 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 304 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 308 KB Output is correct
27 Correct 2 ms 300 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 2 ms 340 KB Output is correct
30 Correct 3 ms 596 KB Output is correct
31 Correct 4 ms 852 KB Output is correct
32 Correct 6 ms 212 KB Output is correct
33 Correct 7 ms 212 KB Output is correct
34 Correct 10 ms 372 KB Output is correct
35 Correct 17 ms 684 KB Output is correct
36 Correct 21 ms 1444 KB Output is correct
37 Correct 27 ms 3176 KB Output is correct
38 Correct 33 ms 5240 KB Output is correct
39 Correct 37 ms 212 KB Output is correct
40 Correct 64 ms 312 KB Output is correct
41 Correct 78 ms 484 KB Output is correct
42 Correct 111 ms 760 KB Output is correct
43 Correct 146 ms 3328 KB Output is correct
44 Correct 173 ms 6976 KB Output is correct
45 Correct 229 ms 15048 KB Output is correct
46 Correct 275 ms 28424 KB Output is correct
47 Correct 358 ms 45836 KB Output is correct
48 Correct 65 ms 424 KB Output is correct
49 Correct 94 ms 620 KB Output is correct
50 Correct 95 ms 592 KB Output is correct
51 Correct 94 ms 512 KB Output is correct
52 Correct 422 ms 332 KB Output is correct
53 Correct 688 ms 344 KB Output is correct
54 Correct 892 ms 716 KB Output is correct
55 Correct 1278 ms 3864 KB Output is correct
56 Correct 1592 ms 22932 KB Output is correct
57 Correct 1951 ms 60048 KB Output is correct
58 Correct 2391 ms 128804 KB Output is correct
59 Execution timed out 3069 ms 283744 KB Time limit exceeded
60 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 304 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 308 KB Output is correct
27 Correct 2 ms 300 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 2 ms 340 KB Output is correct
30 Correct 3 ms 596 KB Output is correct
31 Correct 4 ms 852 KB Output is correct
32 Correct 6 ms 212 KB Output is correct
33 Correct 7 ms 212 KB Output is correct
34 Correct 10 ms 372 KB Output is correct
35 Correct 17 ms 684 KB Output is correct
36 Correct 21 ms 1444 KB Output is correct
37 Correct 27 ms 3176 KB Output is correct
38 Correct 33 ms 5240 KB Output is correct
39 Correct 37 ms 212 KB Output is correct
40 Correct 64 ms 312 KB Output is correct
41 Correct 78 ms 484 KB Output is correct
42 Correct 111 ms 760 KB Output is correct
43 Correct 146 ms 3328 KB Output is correct
44 Correct 173 ms 6976 KB Output is correct
45 Correct 229 ms 15048 KB Output is correct
46 Correct 275 ms 28424 KB Output is correct
47 Correct 358 ms 45836 KB Output is correct
48 Correct 65 ms 424 KB Output is correct
49 Correct 94 ms 620 KB Output is correct
50 Correct 95 ms 592 KB Output is correct
51 Correct 94 ms 512 KB Output is correct
52 Correct 422 ms 332 KB Output is correct
53 Correct 688 ms 344 KB Output is correct
54 Correct 892 ms 716 KB Output is correct
55 Correct 1278 ms 3864 KB Output is correct
56 Correct 1592 ms 22932 KB Output is correct
57 Correct 1951 ms 60048 KB Output is correct
58 Correct 2391 ms 128804 KB Output is correct
59 Execution timed out 3069 ms 283744 KB Time limit exceeded
60 Halted 0 ms 0 KB -