답안 #381209

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
381209	2021-03-24T18:30:44 Z	patrikpavic2	Toilets (JOI16_toilets)	C++17	100 / 100	26 ms	1388 KB

toilets

#include <cstdio>
#include <cstring>
#include <algorithm>

using namespace std;

typedef long long ll;

const int N = 2e5 + 500;

ll n, P, S, cF;
int m, k;
char s[N];

int main(){
	scanf("%lld%d", &n, &m);
	for(;m--;){
		ll PP = 0, SS = 0, cFF = 0, kol;
		scanf("%s %lld", s, &kol); k = strlen(s);
		for(int i = 0;i < k;i++){
			SS += (s[i] == 'F' ? -1 : 1);
			cFF += (s[i] == 'F');
			PP = min(PP, SS);
		}
		cF += cFF * kol;
		P = min(P, S + PP + min(0LL, (kol - 1) * SS));
		S += SS * kol;
	}
	if(cF < n)
		printf("-1\n");
	else
		printf("%lld\n", max(0LL, (2LL * n - 2LL * cF - 1) - P));
	return 0;
}

Compilation message

toilets.cpp: In function 'int main()':
toilets.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |  scanf("%lld%d", &n, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~~~
toilets.cpp:19:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   19 |   scanf("%s %lld", s, &kol); k = strlen(s);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	380 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	1 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	256 KB	Output is correct
17	Correct	1 ms	256 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	256 KB	Output is correct
20	Correct	1 ms	256 KB	Output is correct
21	Correct	1 ms	256 KB	Output is correct
22	Correct	1 ms	256 KB	Output is correct

Subtask #2
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	380 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	1 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	256 KB	Output is correct
17	Correct	1 ms	256 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	256 KB	Output is correct
20	Correct	1 ms	256 KB	Output is correct
21	Correct	1 ms	256 KB	Output is correct
22	Correct	1 ms	256 KB	Output is correct
23	Correct	2 ms	492 KB	Output is correct
24	Correct	2 ms	492 KB	Output is correct
25	Correct	2 ms	492 KB	Output is correct
26	Correct	2 ms	492 KB	Output is correct
27	Correct	2 ms	492 KB	Output is correct
28	Correct	2 ms	492 KB	Output is correct
29	Correct	2 ms	492 KB	Output is correct
30	Correct	2 ms	492 KB	Output is correct
31	Correct	2 ms	492 KB	Output is correct
32	Correct	2 ms	492 KB	Output is correct
33	Correct	2 ms	492 KB	Output is correct
34	Correct	2 ms	492 KB	Output is correct
35	Correct	2 ms	492 KB	Output is correct
36	Correct	2 ms	492 KB	Output is correct
37	Correct	2 ms	492 KB	Output is correct
38	Correct	2 ms	492 KB	Output is correct
39	Correct	2 ms	492 KB	Output is correct
40	Correct	2 ms	492 KB	Output is correct

Subtask #3
64.0 / 64.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	380 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	1 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	256 KB	Output is correct
17	Correct	1 ms	256 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	256 KB	Output is correct
20	Correct	1 ms	256 KB	Output is correct
21	Correct	1 ms	256 KB	Output is correct
22	Correct	1 ms	256 KB	Output is correct
23	Correct	2 ms	492 KB	Output is correct
24	Correct	2 ms	492 KB	Output is correct
25	Correct	2 ms	492 KB	Output is correct
26	Correct	2 ms	492 KB	Output is correct
27	Correct	2 ms	492 KB	Output is correct
28	Correct	2 ms	492 KB	Output is correct
29	Correct	2 ms	492 KB	Output is correct
30	Correct	2 ms	492 KB	Output is correct
31	Correct	2 ms	492 KB	Output is correct
32	Correct	2 ms	492 KB	Output is correct
33	Correct	2 ms	492 KB	Output is correct
34	Correct	2 ms	492 KB	Output is correct
35	Correct	2 ms	492 KB	Output is correct
36	Correct	2 ms	492 KB	Output is correct
37	Correct	2 ms	492 KB	Output is correct
38	Correct	2 ms	492 KB	Output is correct
39	Correct	2 ms	492 KB	Output is correct
40	Correct	2 ms	492 KB	Output is correct
41	Correct	26 ms	364 KB	Output is correct
42	Correct	25 ms	256 KB	Output is correct
43	Correct	1 ms	364 KB	Output is correct
44	Correct	1 ms	364 KB	Output is correct
45	Correct	1 ms	364 KB	Output is correct
46	Correct	5 ms	620 KB	Output is correct
47	Correct	3 ms	492 KB	Output is correct
48	Correct	2 ms	492 KB	Output is correct
49	Correct	2 ms	492 KB	Output is correct
50	Correct	2 ms	492 KB	Output is correct
51	Correct	5 ms	620 KB	Output is correct
52	Correct	23 ms	1388 KB	Output is correct
53	Correct	21 ms	1388 KB	Output is correct
54	Correct	22 ms	1388 KB	Output is correct
55	Correct	2 ms	492 KB	Output is correct
56	Correct	2 ms	492 KB	Output is correct

답안 #381209

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 22.0 / 22.0

Subtask #3 64.0 / 64.0

Subtask #1
14.0 / 14.0

Subtask #2
22.0 / 22.0

Subtask #3
64.0 / 64.0