Submission #117168

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
117168	2019-06-15T06:08:47 Z	onjo0127	None (JOI16_ho_t4)	C++11	15 / 100	49 ms	5248 KB

2016_ho_t4

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

set<pii> st;
char S[100009];

int cnt(set<pii>& S) {
    int ret = 0;
    for(auto& it: S) {
        int x, y; tie(x, y) = it;
        if(S.find({x+1, y}) != S.end() && S.find({x, y+1}) != S.end() && S.find({x+1, y+1}) != S.end()) ++ret;
    }
    return ret;
}

int main() {
    int N, K; scanf("%d%d",&N,&K);
    int x = 0, y = 0; st.insert({0, 0});
    for(int i=1; i<=N; i++) {
        scanf(" %c",&S[i]);
        if(S[i] == 'N') ++y;
        if(S[i] == 'S') --y;
        if(S[i] == 'E') ++x;
        if(S[i] == 'W') --x;
        st.insert({x, y});
    }
    printf("%d", cnt(st));
    return 0;
}

Compilation message

2016_ho_t4.cpp: In function 'int main()':
2016_ho_t4.cpp:18:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int N, K; scanf("%d%d",&N,&K);
               ~~~~~^~~~~~~~~~~~~~
2016_ho_t4.cpp:21:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf(" %c",&S[i]);
         ~~~~~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	368 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	3 ms	384 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	384 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	2 ms	256 KB	Output is correct
20	Correct	2 ms	512 KB	Output is correct
21	Correct	2 ms	256 KB	Output is correct
22	Correct	2 ms	384 KB	Output is correct
23	Correct	2 ms	384 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	368 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	3 ms	384 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	384 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	2 ms	256 KB	Output is correct
20	Correct	2 ms	512 KB	Output is correct
21	Correct	2 ms	256 KB	Output is correct
22	Correct	2 ms	384 KB	Output is correct
23	Correct	2 ms	384 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct
26	Correct	2 ms	384 KB	Output is correct
27	Correct	3 ms	384 KB	Output is correct
28	Correct	5 ms	512 KB	Output is correct
29	Correct	12 ms	1152 KB	Output is correct
30	Correct	15 ms	1152 KB	Output is correct
31	Correct	42 ms	4472 KB	Output is correct
32	Correct	22 ms	1536 KB	Output is correct
33	Correct	23 ms	1664 KB	Output is correct
34	Correct	23 ms	1788 KB	Output is correct
35	Correct	22 ms	1664 KB	Output is correct
36	Correct	22 ms	1536 KB	Output is correct
37	Correct	21 ms	1664 KB	Output is correct
38	Correct	24 ms	1664 KB	Output is correct
39	Correct	23 ms	1664 KB	Output is correct
40	Correct	22 ms	1496 KB	Output is correct
41	Correct	20 ms	1400 KB	Output is correct
42	Correct	20 ms	1280 KB	Output is correct
43	Correct	21 ms	1784 KB	Output is correct
44	Correct	21 ms	1536 KB	Output is correct
45	Correct	19 ms	1400 KB	Output is correct
46	Correct	31 ms	2816 KB	Output is correct
47	Correct	34 ms	2816 KB	Output is correct
48	Correct	49 ms	5248 KB	Output is correct
49	Correct	39 ms	5248 KB	Output is correct
50	Correct	47 ms	5240 KB	Output is correct

Subtask #3
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	368 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	3 ms	384 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	384 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	2 ms	256 KB	Output is correct
20	Correct	2 ms	512 KB	Output is correct
21	Correct	2 ms	256 KB	Output is correct
22	Correct	2 ms	384 KB	Output is correct
23	Correct	2 ms	384 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct
26	Incorrect	2 ms	256 KB	Output isn't correct
27	Halted	0 ms	0 KB	-

Subtask #4
0 / 62.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	368 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	3 ms	384 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	384 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	2 ms	256 KB	Output is correct
20	Correct	2 ms	512 KB	Output is correct
21	Correct	2 ms	256 KB	Output is correct
22	Correct	2 ms	384 KB	Output is correct
23	Correct	2 ms	384 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct
26	Correct	2 ms	384 KB	Output is correct
27	Correct	3 ms	384 KB	Output is correct
28	Correct	5 ms	512 KB	Output is correct
29	Correct	12 ms	1152 KB	Output is correct
30	Correct	15 ms	1152 KB	Output is correct
31	Correct	42 ms	4472 KB	Output is correct
32	Correct	22 ms	1536 KB	Output is correct
33	Correct	23 ms	1664 KB	Output is correct
34	Correct	23 ms	1788 KB	Output is correct
35	Correct	22 ms	1664 KB	Output is correct
36	Correct	22 ms	1536 KB	Output is correct
37	Correct	21 ms	1664 KB	Output is correct
38	Correct	24 ms	1664 KB	Output is correct
39	Correct	23 ms	1664 KB	Output is correct
40	Correct	22 ms	1496 KB	Output is correct
41	Correct	20 ms	1400 KB	Output is correct
42	Correct	20 ms	1280 KB	Output is correct
43	Correct	21 ms	1784 KB	Output is correct
44	Correct	21 ms	1536 KB	Output is correct
45	Correct	19 ms	1400 KB	Output is correct
46	Correct	31 ms	2816 KB	Output is correct
47	Correct	34 ms	2816 KB	Output is correct
48	Correct	49 ms	5248 KB	Output is correct
49	Correct	39 ms	5248 KB	Output is correct
50	Correct	47 ms	5240 KB	Output is correct
51	Incorrect	2 ms	256 KB	Output isn't correct
52	Halted	0 ms	0 KB	-

Submission #117168

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 0 / 23.0

Subtask #4 0 / 62.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
0 / 23.0

Subtask #4
0 / 62.0