Submission #128564

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
128564	2019-07-11T06:38:41 Z	구재현(#3166)	None (JOI16_ho_t4)	C++14	15 / 100	23 ms	2792 KB

2016_ho_t4

#include <bits/stdc++.h>
using namespace std;
const int MAXN = 100005;
using lint = long long;
using pi = pair<lint, lint>;

int n, k;
char str[MAXN];

int main(){
	scanf("%d %d",&n,&k);
	scanf("%s", str);
	vector<pi> v = {pi(0, 0)};
	lint px = 0, py = 0;
	for(int j=0; j<n; j++){
		if(str[j] == 'E') px++;
		if(str[j] == 'W') px--;
		if(str[j] == 'N') py++;
		if(str[j] == 'S') py--;
		v.emplace_back(px, py);
	}
	if(v.back().first < 0){
		for(auto &i : v) i.first *= -1;
	}
	if(v.back().second < 0){
		for(auto &i : v) i.second *= -1;
	}
	if(v.back().second == 0){
		for(auto &i : v) swap(i.first, i.second);
	}
	if(v.back() == pi(0, 0)) k = 1;
	if(k != 1) return 1;
	sort(v.begin(), v.end());
	v.resize(unique(v.begin(), v.end()) - v.begin());
	lint ret = 0;
	for(auto &i : v){
		if(binary_search(v.begin(), v.end(), pi(i.first + 1, i.second)) &&
				binary_search(v.begin(), v.end(), pi(i.first, 1 + i.second)) &&
				binary_search(v.begin(), v.end(), pi(i.first + 1, 1 + i.second))){
			ret++;
		}
	}
	cout << ret << endl;
	return 0;
}

Compilation message

2016_ho_t4.cpp: In function 'int main()':
2016_ho_t4.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&k);
  ~~~~~^~~~~~~~~~~~~~~
2016_ho_t4.cpp:12:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", str);
  ~~~~~^~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 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	376 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	632 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	256 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	256 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	380 KB	Output is correct
24	Correct	2 ms	256 KB	Output is correct
25	Correct	2 ms	256 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 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	376 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	632 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	256 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	256 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	380 KB	Output is correct
24	Correct	2 ms	256 KB	Output is correct
25	Correct	2 ms	256 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	3 ms	504 KB	Output is correct
28	Correct	4 ms	760 KB	Output is correct
29	Correct	10 ms	1648 KB	Output is correct
30	Correct	14 ms	2668 KB	Output is correct
31	Correct	21 ms	2668 KB	Output is correct
32	Correct	18 ms	2664 KB	Output is correct
33	Correct	19 ms	2668 KB	Output is correct
34	Correct	18 ms	2664 KB	Output is correct
35	Correct	18 ms	2668 KB	Output is correct
36	Correct	19 ms	2664 KB	Output is correct
37	Correct	18 ms	2664 KB	Output is correct
38	Correct	18 ms	2664 KB	Output is correct
39	Correct	19 ms	2668 KB	Output is correct
40	Correct	18 ms	2664 KB	Output is correct
41	Correct	18 ms	2792 KB	Output is correct
42	Correct	17 ms	2664 KB	Output is correct
43	Correct	19 ms	2664 KB	Output is correct
44	Correct	18 ms	2668 KB	Output is correct
45	Correct	18 ms	2664 KB	Output is correct
46	Correct	21 ms	2664 KB	Output is correct
47	Correct	23 ms	2668 KB	Output is correct
48	Correct	17 ms	2668 KB	Output is correct
49	Correct	22 ms	2664 KB	Output is correct
50	Correct	11 ms	2668 KB	Output is correct

Subtask #3
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 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	376 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	632 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	256 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	256 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	380 KB	Output is correct
24	Correct	2 ms	256 KB	Output is correct
25	Correct	2 ms	256 KB	Output is correct
26	Runtime error	2 ms	256 KB	Execution failed because the return code was nonzero
27	Halted	0 ms	0 KB	-

Subtask #4
0 / 62.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 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	376 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	632 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	256 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	256 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	380 KB	Output is correct
24	Correct	2 ms	256 KB	Output is correct
25	Correct	2 ms	256 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	3 ms	504 KB	Output is correct
28	Correct	4 ms	760 KB	Output is correct
29	Correct	10 ms	1648 KB	Output is correct
30	Correct	14 ms	2668 KB	Output is correct
31	Correct	21 ms	2668 KB	Output is correct
32	Correct	18 ms	2664 KB	Output is correct
33	Correct	19 ms	2668 KB	Output is correct
34	Correct	18 ms	2664 KB	Output is correct
35	Correct	18 ms	2668 KB	Output is correct
36	Correct	19 ms	2664 KB	Output is correct
37	Correct	18 ms	2664 KB	Output is correct
38	Correct	18 ms	2664 KB	Output is correct
39	Correct	19 ms	2668 KB	Output is correct
40	Correct	18 ms	2664 KB	Output is correct
41	Correct	18 ms	2792 KB	Output is correct
42	Correct	17 ms	2664 KB	Output is correct
43	Correct	19 ms	2664 KB	Output is correct
44	Correct	18 ms	2668 KB	Output is correct
45	Correct	18 ms	2664 KB	Output is correct
46	Correct	21 ms	2664 KB	Output is correct
47	Correct	23 ms	2668 KB	Output is correct
48	Correct	17 ms	2668 KB	Output is correct
49	Correct	22 ms	2664 KB	Output is correct
50	Correct	11 ms	2668 KB	Output is correct
51	Runtime error	2 ms	256 KB	Execution failed because the return code was nonzero
52	Halted	0 ms	0 KB	-

Submission #128564

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