답안 #133473

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
133473	2019-07-20T20:59:09 Z	duality	Security Gate (JOI18_security_gate)	C++11	30 / 100	432 ms	476 KB

securitygate

#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
typedef long long int LLI;
typedef vector<int> vi;
typedef pair<int,int> pii;
typedef vector<pii> vpii;
#define MOD 1000000007

char S[300];
unsigned long long int dp[301][3];
int main() {
    int i;
    int N;
    scanf("%d",&N);
    for (i = 0; i < N; i++) scanf(" %c",&S[i]);
    if (N & 1) {
        printf("0\n");
        return 0;
    }

    int j;
    vi v;
    for (i = 0; i < N; i++) {
        if (S[i] == 'x') v.pb(i);
    }
    int ans = 0;
    for (i = 0; i < (1 << v.size()); i++) {
        for (j = 0; j < v.size(); j++) {
            if (i & (1 << j)) S[v[j]] = '(';
            else S[v[j]] = ')';
        }
        dp[0][0] = 1,dp[0][1] = dp[0][2] = 0;
        for (j = 0; j < N; j++) {
            if (S[j] == '(') {
                dp[j+1][0] = dp[j][0] << 1;
                dp[j+1][1] = (dp[j][0] | dp[j][1]) >> 1;
                dp[j+1][2] = (dp[j][1] | dp[j][2]) << 1;
            }
            else {
                dp[j+1][0] = dp[j][0] >> 1;
                dp[j+1][1] = (dp[j][0] | dp[j][1]) << 1;
                dp[j+1][2] = (dp[j][1] | dp[j][2]) >> 1;
            }
        }
        if ((dp[N][0] | dp[N][1] | dp[N][2]) & 1) ans++;
    }
    printf("%d\n",ans);

    return 0;
}

Compilation message

securitygate.cpp: In function 'int main()':
securitygate.cpp:30:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (j = 0; j < v.size(); j++) {
                     ~~^~~~~~~~~~
securitygate.cpp:16:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&N);
     ~~~~~^~~~~~~~~
securitygate.cpp:17:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (i = 0; i < N; i++) scanf(" %c",&S[i]);
                             ~~~~~^~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	3 ms	396 KB	Output is correct
21	Correct	3 ms	348 KB	Output is correct
22	Correct	3 ms	296 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	3 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	3 ms	376 KB	Output is correct
28	Correct	3 ms	376 KB	Output is correct
29	Correct	2 ms	256 KB	Output is correct
30	Correct	2 ms	256 KB	Output is correct
31	Correct	4 ms	376 KB	Output is correct

Subtask #3
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	3 ms	396 KB	Output is correct
21	Correct	3 ms	348 KB	Output is correct
22	Correct	3 ms	296 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	3 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	3 ms	376 KB	Output is correct
28	Correct	3 ms	376 KB	Output is correct
29	Correct	2 ms	256 KB	Output is correct
30	Correct	2 ms	256 KB	Output is correct
31	Correct	4 ms	376 KB	Output is correct
32	Correct	14 ms	376 KB	Output is correct
33	Correct	5 ms	376 KB	Output is correct
34	Correct	247 ms	376 KB	Output is correct
35	Correct	13 ms	376 KB	Output is correct
36	Correct	28 ms	380 KB	Output is correct
37	Correct	106 ms	476 KB	Output is correct
38	Correct	432 ms	256 KB	Output is correct
39	Correct	14 ms	376 KB	Output is correct
40	Correct	397 ms	376 KB	Output is correct
41	Correct	379 ms	376 KB	Output is correct
42	Correct	432 ms	360 KB	Output is correct
43	Correct	213 ms	252 KB	Output is correct
44	Correct	29 ms	360 KB	Output is correct
45	Correct	428 ms	376 KB	Output is correct

Subtask #4
0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	3 ms	396 KB	Output is correct
21	Correct	3 ms	348 KB	Output is correct
22	Correct	3 ms	296 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	3 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	3 ms	376 KB	Output is correct
28	Correct	3 ms	376 KB	Output is correct
29	Correct	2 ms	256 KB	Output is correct
30	Correct	2 ms	256 KB	Output is correct
31	Correct	4 ms	376 KB	Output is correct
32	Correct	14 ms	376 KB	Output is correct
33	Correct	5 ms	376 KB	Output is correct
34	Correct	247 ms	376 KB	Output is correct
35	Correct	13 ms	376 KB	Output is correct
36	Correct	28 ms	380 KB	Output is correct
37	Correct	106 ms	476 KB	Output is correct
38	Correct	432 ms	256 KB	Output is correct
39	Correct	14 ms	376 KB	Output is correct
40	Correct	397 ms	376 KB	Output is correct
41	Correct	379 ms	376 KB	Output is correct
42	Correct	432 ms	360 KB	Output is correct
43	Correct	213 ms	252 KB	Output is correct
44	Correct	29 ms	360 KB	Output is correct
45	Correct	428 ms	376 KB	Output is correct
46	Correct	2 ms	256 KB	Output is correct
47	Correct	2 ms	252 KB	Output is correct
48	Correct	2 ms	380 KB	Output is correct
49	Incorrect	2 ms	252 KB	Output isn't correct
50	Halted	0 ms	0 KB	-

Subtask #5
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	3 ms	396 KB	Output is correct
21	Correct	3 ms	348 KB	Output is correct
22	Correct	3 ms	296 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	3 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	3 ms	376 KB	Output is correct
28	Correct	3 ms	376 KB	Output is correct
29	Correct	2 ms	256 KB	Output is correct
30	Correct	2 ms	256 KB	Output is correct
31	Correct	4 ms	376 KB	Output is correct
32	Correct	14 ms	376 KB	Output is correct
33	Correct	5 ms	376 KB	Output is correct
34	Correct	247 ms	376 KB	Output is correct
35	Correct	13 ms	376 KB	Output is correct
36	Correct	28 ms	380 KB	Output is correct
37	Correct	106 ms	476 KB	Output is correct
38	Correct	432 ms	256 KB	Output is correct
39	Correct	14 ms	376 KB	Output is correct
40	Correct	397 ms	376 KB	Output is correct
41	Correct	379 ms	376 KB	Output is correct
42	Correct	432 ms	360 KB	Output is correct
43	Correct	213 ms	252 KB	Output is correct
44	Correct	29 ms	360 KB	Output is correct
45	Correct	428 ms	376 KB	Output is correct
46	Correct	2 ms	256 KB	Output is correct
47	Correct	2 ms	252 KB	Output is correct
48	Correct	2 ms	380 KB	Output is correct
49	Incorrect	2 ms	252 KB	Output isn't correct
50	Halted	0 ms	0 KB	-

답안 #133473

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 8.0 / 8.0

Subtask #3 18.0 / 18.0

Subtask #4 0 / 43.0

Subtask #5 0 / 27.0

Subtask #1
4.0 / 4.0

Subtask #2
8.0 / 8.0

Subtask #3
18.0 / 18.0

Subtask #4
0 / 43.0

Subtask #5
0 / 27.0