답안 #258517

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
258517	2020-08-06T05:25:51 Z	arnold518	Toilets (JOI16_toilets)	C++14	100 / 100	107 ms	7416 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) return !printf("-1\n");
	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	5 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	4 ms	6656 KB	Output is correct
9	Correct	4 ms	6528 KB	Output is correct
10	Correct	5 ms	6528 KB	Output is correct
11	Correct	6 ms	6528 KB	Output is correct
12	Correct	6 ms	6528 KB	Output is correct
13	Correct	4 ms	6528 KB	Output is correct
14	Correct	4 ms	6528 KB	Output is correct
15	Correct	4 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	4 ms	6528 KB	Output is correct
19	Correct	4 ms	6528 KB	Output is correct
20	Correct	4 ms	6528 KB	Output is correct
21	Correct	4 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	5 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	4 ms	6656 KB	Output is correct
9	Correct	4 ms	6528 KB	Output is correct
10	Correct	5 ms	6528 KB	Output is correct
11	Correct	6 ms	6528 KB	Output is correct
12	Correct	6 ms	6528 KB	Output is correct
13	Correct	4 ms	6528 KB	Output is correct
14	Correct	4 ms	6528 KB	Output is correct
15	Correct	4 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	4 ms	6528 KB	Output is correct
19	Correct	4 ms	6528 KB	Output is correct
20	Correct	4 ms	6528 KB	Output is correct
21	Correct	4 ms	6528 KB	Output is correct
22	Correct	4 ms	6528 KB	Output is correct
23	Correct	14 ms	6928 KB	Output is correct
24	Correct	14 ms	6928 KB	Output is correct
25	Correct	16 ms	6928 KB	Output is correct
26	Correct	15 ms	6928 KB	Output is correct
27	Correct	15 ms	6928 KB	Output is correct
28	Correct	16 ms	6964 KB	Output is correct
29	Correct	16 ms	6928 KB	Output is correct
30	Correct	15 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	15 ms	6928 KB	Output is correct
35	Correct	16 ms	6928 KB	Output is correct
36	Correct	15 ms	6928 KB	Output is correct
37	Correct	15 ms	7040 KB	Output is correct
38	Correct	16 ms	6928 KB	Output is correct
39	Correct	14 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	5 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	4 ms	6656 KB	Output is correct
9	Correct	4 ms	6528 KB	Output is correct
10	Correct	5 ms	6528 KB	Output is correct
11	Correct	6 ms	6528 KB	Output is correct
12	Correct	6 ms	6528 KB	Output is correct
13	Correct	4 ms	6528 KB	Output is correct
14	Correct	4 ms	6528 KB	Output is correct
15	Correct	4 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	4 ms	6528 KB	Output is correct
19	Correct	4 ms	6528 KB	Output is correct
20	Correct	4 ms	6528 KB	Output is correct
21	Correct	4 ms	6528 KB	Output is correct
22	Correct	4 ms	6528 KB	Output is correct
23	Correct	14 ms	6928 KB	Output is correct
24	Correct	14 ms	6928 KB	Output is correct
25	Correct	16 ms	6928 KB	Output is correct
26	Correct	15 ms	6928 KB	Output is correct
27	Correct	15 ms	6928 KB	Output is correct
28	Correct	16 ms	6964 KB	Output is correct
29	Correct	16 ms	6928 KB	Output is correct
30	Correct	15 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	15 ms	6928 KB	Output is correct
35	Correct	16 ms	6928 KB	Output is correct
36	Correct	15 ms	6928 KB	Output is correct
37	Correct	15 ms	7040 KB	Output is correct
38	Correct	16 ms	6928 KB	Output is correct
39	Correct	14 ms	6928 KB	Output is correct
40	Correct	14 ms	6928 KB	Output is correct
41	Correct	106 ms	7400 KB	Output is correct
42	Correct	107 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	5 ms	6656 KB	Output is correct
46	Correct	26 ms	7036 KB	Output is correct
47	Correct	18 ms	6912 KB	Output is correct
48	Correct	16 ms	6912 KB	Output is correct
49	Correct	17 ms	6912 KB	Output is correct
50	Correct	15 ms	6912 KB	Output is correct
51	Correct	24 ms	7036 KB	Output is correct
52	Correct	85 ms	7416 KB	Output is correct
53	Correct	88 ms	7416 KB	Output is correct
54	Correct	84 ms	7288 KB	Output is correct
55	Correct	15 ms	6912 KB	Output is correct
56	Correct	15 ms	6912 KB	Output is correct