답안 #58716 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
58716	2018-07-19T02:14:00 Z	onjo0127(#1933)	Alternating Current (BOI18_alternating)	C++11	13 / 100	3000 ms	2628 KB

alternating

#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;

bool b[100009], r[100009];
pii A[100009];

int main() {
    int N, M;
    scanf("%d%d",&N,&M);
    for(int i=0; i<M; i++) {
        scanf("%d%d", &A[i].first, &A[i].second);
    }
    for(int i=0; i <= (1 << M); i++) {
        for(int j=0; j<M; j++) {
            if(i & (1 << j)) {
                if(A[j].first <= A[j].second)
                    for(int k=A[j].first; k<=A[j].second; k++) b[k] = 1;
                else {
                    for(int k=A[j].first; k<=N; k++) b[k] = 1;
                    for(int k=1; k<=A[j].second; k++) b[k] = 1;
                }
            }
            else {
                if(A[j].first <= A[j].second)
                    for(int k=A[j].first; k<=A[j].second; k++) r[k] = 1;
                else {
                    for(int k=A[j].first; k<=N; k++) r[k] = 1;
                    for(int k=1; k<=A[j].second; k++) r[k] = 1;
                }
            }
        }
        int c = 0;
        for(int i=1; i<=N; i++) {
            if(b[i] && r[i]) ++c;
        }
        if(c == N) {
            for(int j=0; j<M; j++) printf("%d", (i & (1 << j)) ? 1 : 0);
            return 0;
        }
        memset(b, 0, sizeof(b));
        memset(r, 0, sizeof(r));
    }
    puts("impossible");
    return 0;
}

Compilation message

alternating.cpp: In function 'int main()':
alternating.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&N,&M);
     ~~~~~^~~~~~~~~~~~~~
alternating.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &A[i].first, &A[i].second);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	2 ms	624 KB	Output is correct
3	Correct	3 ms	664 KB	Output is correct
4	Correct	4 ms	664 KB	Output is correct
5	Correct	3 ms	796 KB	Output is correct
6	Correct	3 ms	796 KB	Output is correct
7	Correct	2 ms	896 KB	Output is correct
8	Correct	4 ms	896 KB	Output is correct
9	Correct	2 ms	896 KB	Output is correct
10	Correct	8 ms	896 KB	Output is correct
11	Correct	4 ms	896 KB	Output is correct
12	Correct	5 ms	908 KB	Output is correct
13	Correct	22 ms	984 KB	Output is correct
14	Correct	3 ms	984 KB	Output is correct
15	Correct	3 ms	984 KB	Output is correct
16	Correct	49 ms	984 KB	Output is correct
17	Correct	8 ms	1040 KB	Output is correct
18	Correct	9 ms	1040 KB	Output is correct
19	Correct	3 ms	1040 KB	Output is correct
20	Correct	4 ms	1040 KB	Output is correct
21	Correct	3 ms	1040 KB	Output is correct
22	Correct	40 ms	1040 KB	Output is correct
23	Correct	3 ms	1040 KB	Output is correct
24	Correct	7 ms	1040 KB	Output is correct
25	Correct	4 ms	1040 KB	Output is correct
26	Correct	4 ms	1040 KB	Output is correct
27	Correct	44 ms	1040 KB	Output is correct
28	Correct	4 ms	1040 KB	Output is correct
29	Correct	3 ms	1040 KB	Output is correct
30	Correct	3 ms	1040 KB	Output is correct
31	Correct	3 ms	1040 KB	Output is correct
32	Correct	3 ms	1040 KB	Output is correct
33	Correct	2 ms	1040 KB	Output is correct
34	Correct	3 ms	1040 KB	Output is correct
35	Correct	330 ms	1112 KB	Output is correct
36	Correct	16 ms	1112 KB	Output is correct
37	Correct	4 ms	1112 KB	Output is correct
38	Correct	337 ms	1112 KB	Output is correct
39	Correct	7 ms	1112 KB	Output is correct
40	Correct	4 ms	1112 KB	Output is correct

Subtask #2
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	2 ms	624 KB	Output is correct
3	Correct	3 ms	664 KB	Output is correct
4	Correct	4 ms	664 KB	Output is correct
5	Correct	3 ms	796 KB	Output is correct
6	Correct	3 ms	796 KB	Output is correct
7	Correct	2 ms	896 KB	Output is correct
8	Correct	4 ms	896 KB	Output is correct
9	Correct	2 ms	896 KB	Output is correct
10	Correct	8 ms	896 KB	Output is correct
11	Correct	4 ms	896 KB	Output is correct
12	Correct	5 ms	908 KB	Output is correct
13	Correct	22 ms	984 KB	Output is correct
14	Correct	3 ms	984 KB	Output is correct
15	Correct	3 ms	984 KB	Output is correct
16	Correct	49 ms	984 KB	Output is correct
17	Correct	8 ms	1040 KB	Output is correct
18	Correct	9 ms	1040 KB	Output is correct
19	Correct	3 ms	1040 KB	Output is correct
20	Correct	4 ms	1040 KB	Output is correct
21	Correct	3 ms	1040 KB	Output is correct
22	Correct	40 ms	1040 KB	Output is correct
23	Correct	3 ms	1040 KB	Output is correct
24	Correct	7 ms	1040 KB	Output is correct
25	Correct	4 ms	1040 KB	Output is correct
26	Correct	4 ms	1040 KB	Output is correct
27	Correct	44 ms	1040 KB	Output is correct
28	Correct	4 ms	1040 KB	Output is correct
29	Correct	3 ms	1040 KB	Output is correct
30	Correct	3 ms	1040 KB	Output is correct
31	Correct	3 ms	1040 KB	Output is correct
32	Correct	3 ms	1040 KB	Output is correct
33	Correct	2 ms	1040 KB	Output is correct
34	Correct	3 ms	1040 KB	Output is correct
35	Correct	330 ms	1112 KB	Output is correct
36	Correct	16 ms	1112 KB	Output is correct
37	Correct	4 ms	1112 KB	Output is correct
38	Correct	337 ms	1112 KB	Output is correct
39	Correct	7 ms	1112 KB	Output is correct
40	Correct	4 ms	1112 KB	Output is correct
41	Correct	3 ms	1112 KB	Output is correct
42	Correct	14 ms	1112 KB	Output is correct
43	Incorrect	3 ms	1112 KB	'impossible' claimed, but there is a solution
44	Halted	0 ms	0 KB	-

Subtask #3
0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	2 ms	624 KB	Output is correct
3	Correct	3 ms	664 KB	Output is correct
4	Correct	4 ms	664 KB	Output is correct
5	Correct	3 ms	796 KB	Output is correct
6	Correct	3 ms	796 KB	Output is correct
7	Correct	2 ms	896 KB	Output is correct
8	Correct	4 ms	896 KB	Output is correct
9	Correct	2 ms	896 KB	Output is correct
10	Correct	8 ms	896 KB	Output is correct
11	Correct	4 ms	896 KB	Output is correct
12	Correct	5 ms	908 KB	Output is correct
13	Correct	22 ms	984 KB	Output is correct
14	Correct	3 ms	984 KB	Output is correct
15	Correct	3 ms	984 KB	Output is correct
16	Correct	49 ms	984 KB	Output is correct
17	Correct	8 ms	1040 KB	Output is correct
18	Correct	9 ms	1040 KB	Output is correct
19	Correct	3 ms	1040 KB	Output is correct
20	Correct	4 ms	1040 KB	Output is correct
21	Correct	3 ms	1040 KB	Output is correct
22	Correct	40 ms	1040 KB	Output is correct
23	Correct	3 ms	1040 KB	Output is correct
24	Correct	7 ms	1040 KB	Output is correct
25	Correct	4 ms	1040 KB	Output is correct
26	Correct	4 ms	1040 KB	Output is correct
27	Correct	44 ms	1040 KB	Output is correct
28	Correct	4 ms	1040 KB	Output is correct
29	Correct	3 ms	1040 KB	Output is correct
30	Correct	3 ms	1040 KB	Output is correct
31	Correct	3 ms	1040 KB	Output is correct
32	Correct	3 ms	1040 KB	Output is correct
33	Correct	2 ms	1040 KB	Output is correct
34	Correct	3 ms	1040 KB	Output is correct
35	Correct	330 ms	1112 KB	Output is correct
36	Correct	16 ms	1112 KB	Output is correct
37	Correct	4 ms	1112 KB	Output is correct
38	Correct	337 ms	1112 KB	Output is correct
39	Correct	7 ms	1112 KB	Output is correct
40	Correct	4 ms	1112 KB	Output is correct
41	Correct	3 ms	1112 KB	Output is correct
42	Correct	14 ms	1112 KB	Output is correct
43	Incorrect	3 ms	1112 KB	'impossible' claimed, but there is a solution
44	Halted	0 ms	0 KB	-

Subtask #4
0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	3044 ms	2628 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	2 ms	624 KB	Output is correct
3	Correct	3 ms	664 KB	Output is correct
4	Correct	4 ms	664 KB	Output is correct
5	Correct	3 ms	796 KB	Output is correct
6	Correct	3 ms	796 KB	Output is correct
7	Correct	2 ms	896 KB	Output is correct
8	Correct	4 ms	896 KB	Output is correct
9	Correct	2 ms	896 KB	Output is correct
10	Correct	8 ms	896 KB	Output is correct
11	Correct	4 ms	896 KB	Output is correct
12	Correct	5 ms	908 KB	Output is correct
13	Correct	22 ms	984 KB	Output is correct
14	Correct	3 ms	984 KB	Output is correct
15	Correct	3 ms	984 KB	Output is correct
16	Correct	49 ms	984 KB	Output is correct
17	Correct	8 ms	1040 KB	Output is correct
18	Correct	9 ms	1040 KB	Output is correct
19	Correct	3 ms	1040 KB	Output is correct
20	Correct	4 ms	1040 KB	Output is correct
21	Correct	3 ms	1040 KB	Output is correct
22	Correct	40 ms	1040 KB	Output is correct
23	Correct	3 ms	1040 KB	Output is correct
24	Correct	7 ms	1040 KB	Output is correct
25	Correct	4 ms	1040 KB	Output is correct
26	Correct	4 ms	1040 KB	Output is correct
27	Correct	44 ms	1040 KB	Output is correct
28	Correct	4 ms	1040 KB	Output is correct
29	Correct	3 ms	1040 KB	Output is correct
30	Correct	3 ms	1040 KB	Output is correct
31	Correct	3 ms	1040 KB	Output is correct
32	Correct	3 ms	1040 KB	Output is correct
33	Correct	2 ms	1040 KB	Output is correct
34	Correct	3 ms	1040 KB	Output is correct
35	Correct	330 ms	1112 KB	Output is correct
36	Correct	16 ms	1112 KB	Output is correct
37	Correct	4 ms	1112 KB	Output is correct
38	Correct	337 ms	1112 KB	Output is correct
39	Correct	7 ms	1112 KB	Output is correct
40	Correct	4 ms	1112 KB	Output is correct
41	Correct	3 ms	1112 KB	Output is correct
42	Correct	14 ms	1112 KB	Output is correct
43	Incorrect	3 ms	1112 KB	'impossible' claimed, but there is a solution
44	Halted	0 ms	0 KB	-

답안 #58716

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 0 / 20.0

Subtask #3 0 / 22.0

Subtask #4 0 / 19.0

Subtask #5 0 / 26.0

Subtask #1
13.0 / 13.0

Subtask #2
0 / 20.0

Subtask #3
0 / 22.0

Subtask #4
0 / 19.0

Subtask #5
0 / 26.0