oj.uz

Submission #813965

# Submission time Handle Problem Language Result Execution time Memory
813965 2023-08-08T04:47:11 Z 반딧불(#10119) Security Gate (JOI18_security_gate) C++17
12 / 100
 5000 ms 308 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int n;
char str[302];
char filled[302];
vector<int> blanks;
int ans;

int sum[302];
bool goodString(){
    for(int i=1; i<=n; i++) sum[i] = sum[i-1] + (filled[i] == '(' ? 1 : -1);
    for(int i=1; i<=n; i++){
        for(int j=i; j<=n; j++){ /// [i, j] ������ ������
            if(i>1 && *min_element(sum+1, sum+i) < 0) continue;
            if(sum[i-1] * 2 - *max_element(sum+i+1, sum+j+1) < 0) continue;
            if(sum[n] != 2 * (sum[j] - sum[i-1])) continue;
            if((sum[i-1] - sum[j]) * 2 + *min_element(sum+j, sum+n+1) < 0) continue;
            return true;
        }
    }
    return false;
}

int main(){
    scanf("%d %s", &n, str+1);
    for(int i=1; i<=n; i++) if(str[i] == 'x') blanks.push_back(i);
    int k = (int)blanks.size();
    for(int d=0; d<(1<<k); d++){
        for(int i=1; i<=n; i++) filled[i] = str[i];
        for(int i=0; i<k; i++) filled[blanks[i]] = ((d>>i)&1) ? '(' : ')';
        if(goodString()) ans++;
    }
    printf("%d", ans);
}

Compilation message

securitygate.cpp: In function 'int main()':
securitygate.cpp:29:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |     scanf("%d %s", &n, str+1);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 4 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 2 ms 308 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 4 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 2 ms 308 KB Output is correct
18 Correct 2 ms 304 KB Output is correct
19 Correct 51 ms 280 KB Output is correct
20 Correct 9 ms 212 KB Output is correct
21 Correct 521 ms 284 KB Output is correct
22 Correct 340 ms 280 KB Output is correct
23 Correct 70 ms 284 KB Output is correct
24 Correct 685 ms 280 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 5 ms 300 KB Output is correct
27 Correct 295 ms 280 KB Output is correct
28 Correct 8 ms 304 KB Output is correct
29 Correct 7 ms 296 KB Output is correct
30 Correct 9 ms 304 KB Output is correct
31 Correct 109 ms 284 KB Output is correct

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 4 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 2 ms 308 KB Output is correct
18 Correct 2 ms 304 KB Output is correct
19 Correct 51 ms 280 KB Output is correct
20 Correct 9 ms 212 KB Output is correct
21 Correct 521 ms 284 KB Output is correct
22 Correct 340 ms 280 KB Output is correct
23 Correct 70 ms 284 KB Output is correct
24 Correct 685 ms 280 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 5 ms 300 KB Output is correct
27 Correct 295 ms 280 KB Output is correct
28 Correct 8 ms 304 KB Output is correct
29 Correct 7 ms 296 KB Output is correct
30 Correct 9 ms 304 KB Output is correct
31 Correct 109 ms 284 KB Output is correct
32 Correct 70 ms 292 KB Output is correct
33 Correct 19 ms 212 KB Output is correct
34 Correct 3830 ms 280 KB Output is correct
35 Correct 40 ms 212 KB Output is correct
36 Execution timed out 5070 ms 212 KB Time limit exceeded
37 Halted 0 ms 0 KB -

Subtask #4
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 4 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 2 ms 308 KB Output is correct
18 Correct 2 ms 304 KB Output is correct
19 Correct 51 ms 280 KB Output is correct
20 Correct 9 ms 212 KB Output is correct
21 Correct 521 ms 284 KB Output is correct
22 Correct 340 ms 280 KB Output is correct
23 Correct 70 ms 284 KB Output is correct
24 Correct 685 ms 280 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 5 ms 300 KB Output is correct
27 Correct 295 ms 280 KB Output is correct
28 Correct 8 ms 304 KB Output is correct
29 Correct 7 ms 296 KB Output is correct
30 Correct 9 ms 304 KB Output is correct
31 Correct 109 ms 284 KB Output is correct
32 Correct 70 ms 292 KB Output is correct
33 Correct 19 ms 212 KB Output is correct
34 Correct 3830 ms 280 KB Output is correct
35 Correct 40 ms 212 KB Output is correct
36 Execution timed out 5070 ms 212 KB Time limit exceeded
37 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 4 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 2 ms 308 KB Output is correct
18 Correct 2 ms 304 KB Output is correct
19 Correct 51 ms 280 KB Output is correct
20 Correct 9 ms 212 KB Output is correct
21 Correct 521 ms 284 KB Output is correct
22 Correct 340 ms 280 KB Output is correct
23 Correct 70 ms 284 KB Output is correct
24 Correct 685 ms 280 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 5 ms 300 KB Output is correct
27 Correct 295 ms 280 KB Output is correct
28 Correct 8 ms 304 KB Output is correct
29 Correct 7 ms 296 KB Output is correct
30 Correct 9 ms 304 KB Output is correct
31 Correct 109 ms 284 KB Output is correct
32 Correct 70 ms 292 KB Output is correct
33 Correct 19 ms 212 KB Output is correct
34 Correct 3830 ms 280 KB Output is correct
35 Correct 40 ms 212 KB Output is correct
36 Execution timed out 5070 ms 212 KB Time limit exceeded
37 Halted 0 ms 0 KB -