답안 #258515

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
258515	2020-08-06T05:25:26 Z	arnold518	Toilets (JOI16_toilets)	C++14	100 / 100	109 ms	7420 KB

toilets

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const ll MAXN = 1e18;
const int MAXM = 2e5;

ll N, M;
string S[MAXM+10];
ll K[MAXM+10];
ll sum=0, ans=1;

int main()
{
	int i, j;

	cin>>N>>M;
	for(i=1; i<=M; i++) cin>>S[i]>>K[i];

	for(i=M; i>=1; i--)
	{
		ll t=0, k=0;
		for(j=S[i].size()-1; j>=0; j--)
		{
			if(S[i][j]=='F') t--;
			else t++;
			k=max(k, t);
		}
		ans=max(ans, max(sum+k, sum+t*(K[i]-1)+k));
		sum+=K[i]*t;
	}

	if(sum>0) printf("-1\n");
	else printf("%lld\n", ans-1);
}

Subtask #1

14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	6528 KB	Output is correct
2	Correct	4 ms	6528 KB	Output is correct
3	Correct	4 ms	6528 KB	Output is correct
4	Correct	4 ms	6528 KB	Output is correct
5	Correct	4 ms	6528 KB	Output is correct
6	Correct	4 ms	6528 KB	Output is correct
7	Correct	4 ms	6528 KB	Output is correct
8	Correct	5 ms	6528 KB	Output is correct
9	Correct	4 ms	6528 KB	Output is correct
10	Correct	5 ms	6528 KB	Output is correct
11	Correct	5 ms	6528 KB	Output is correct
12	Correct	4 ms	6528 KB	Output is correct
13	Correct	4 ms	6528 KB	Output is correct
14	Correct	5 ms	6528 KB	Output is correct
15	Correct	6 ms	6528 KB	Output is correct
16	Correct	5 ms	6528 KB	Output is correct
17	Correct	4 ms	6528 KB	Output is correct
18	Correct	5 ms	6528 KB	Output is correct
19	Correct	4 ms	6528 KB	Output is correct
20	Correct	5 ms	6528 KB	Output is correct
21	Correct	5 ms	6528 KB	Output is correct
22	Correct	4 ms	6528 KB	Output is correct

Subtask #2

22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	6528 KB	Output is correct
2	Correct	4 ms	6528 KB	Output is correct
3	Correct	4 ms	6528 KB	Output is correct
4	Correct	4 ms	6528 KB	Output is correct
5	Correct	4 ms	6528 KB	Output is correct
6	Correct	4 ms	6528 KB	Output is correct
7	Correct	4 ms	6528 KB	Output is correct
8	Correct	5 ms	6528 KB	Output is correct
9	Correct	4 ms	6528 KB	Output is correct
10	Correct	5 ms	6528 KB	Output is correct
11	Correct	5 ms	6528 KB	Output is correct
12	Correct	4 ms	6528 KB	Output is correct
13	Correct	4 ms	6528 KB	Output is correct
14	Correct	5 ms	6528 KB	Output is correct
15	Correct	6 ms	6528 KB	Output is correct
16	Correct	5 ms	6528 KB	Output is correct
17	Correct	4 ms	6528 KB	Output is correct
18	Correct	5 ms	6528 KB	Output is correct
19	Correct	4 ms	6528 KB	Output is correct
20	Correct	5 ms	6528 KB	Output is correct
21	Correct	5 ms	6528 KB	Output is correct
22	Correct	4 ms	6528 KB	Output is correct
23	Correct	15 ms	6928 KB	Output is correct
24	Correct	14 ms	6928 KB	Output is correct
25	Correct	14 ms	6928 KB	Output is correct
26	Correct	13 ms	6928 KB	Output is correct
27	Correct	13 ms	6928 KB	Output is correct
28	Correct	14 ms	6928 KB	Output is correct
29	Correct	14 ms	6928 KB	Output is correct
30	Correct	14 ms	6928 KB	Output is correct
31	Correct	16 ms	6928 KB	Output is correct
32	Correct	14 ms	6928 KB	Output is correct
33	Correct	14 ms	6928 KB	Output is correct
34	Correct	14 ms	6928 KB	Output is correct
35	Correct	14 ms	6928 KB	Output is correct
36	Correct	15 ms	6928 KB	Output is correct
37	Correct	14 ms	6928 KB	Output is correct
38	Correct	14 ms	6928 KB	Output is correct
39	Correct	15 ms	6928 KB	Output is correct
40	Correct	14 ms	6928 KB	Output is correct

Subtask #3

64.0 / 64.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	6528 KB	Output is correct
2	Correct	4 ms	6528 KB	Output is correct
3	Correct	4 ms	6528 KB	Output is correct
4	Correct	4 ms	6528 KB	Output is correct
5	Correct	4 ms	6528 KB	Output is correct
6	Correct	4 ms	6528 KB	Output is correct
7	Correct	4 ms	6528 KB	Output is correct
8	Correct	5 ms	6528 KB	Output is correct
9	Correct	4 ms	6528 KB	Output is correct
10	Correct	5 ms	6528 KB	Output is correct
11	Correct	5 ms	6528 KB	Output is correct
12	Correct	4 ms	6528 KB	Output is correct
13	Correct	4 ms	6528 KB	Output is correct
14	Correct	5 ms	6528 KB	Output is correct
15	Correct	6 ms	6528 KB	Output is correct
16	Correct	5 ms	6528 KB	Output is correct
17	Correct	4 ms	6528 KB	Output is correct
18	Correct	5 ms	6528 KB	Output is correct
19	Correct	4 ms	6528 KB	Output is correct
20	Correct	5 ms	6528 KB	Output is correct
21	Correct	5 ms	6528 KB	Output is correct
22	Correct	4 ms	6528 KB	Output is correct
23	Correct	15 ms	6928 KB	Output is correct
24	Correct	14 ms	6928 KB	Output is correct
25	Correct	14 ms	6928 KB	Output is correct
26	Correct	13 ms	6928 KB	Output is correct
27	Correct	13 ms	6928 KB	Output is correct
28	Correct	14 ms	6928 KB	Output is correct
29	Correct	14 ms	6928 KB	Output is correct
30	Correct	14 ms	6928 KB	Output is correct
31	Correct	16 ms	6928 KB	Output is correct
32	Correct	14 ms	6928 KB	Output is correct
33	Correct	14 ms	6928 KB	Output is correct
34	Correct	14 ms	6928 KB	Output is correct
35	Correct	14 ms	6928 KB	Output is correct
36	Correct	15 ms	6928 KB	Output is correct
37	Correct	14 ms	6928 KB	Output is correct
38	Correct	14 ms	6928 KB	Output is correct
39	Correct	15 ms	6928 KB	Output is correct
40	Correct	14 ms	6928 KB	Output is correct
41	Correct	109 ms	7380 KB	Output is correct
42	Correct	108 ms	7416 KB	Output is correct
43	Correct	4 ms	6528 KB	Output is correct
44	Correct	4 ms	6528 KB	Output is correct
45	Correct	4 ms	6528 KB	Output is correct
46	Correct	28 ms	6912 KB	Output is correct
47	Correct	16 ms	6832 KB	Output is correct
48	Correct	17 ms	6912 KB	Output is correct
49	Correct	16 ms	6904 KB	Output is correct
50	Correct	20 ms	6912 KB	Output is correct
51	Correct	26 ms	6904 KB	Output is correct
52	Correct	97 ms	7416 KB	Output is correct
53	Correct	91 ms	7420 KB	Output is correct
54	Correct	103 ms	7416 KB	Output is correct
55	Correct	14 ms	6912 KB	Output is correct
56	Correct	20 ms	6912 KB	Output is correct