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Submission #258515

# Submission time Handle Problem Language Result Execution time Memory
258515 2020-08-06T05:25:26 Z arnold518 Toilets (JOI16_toilets) C++14
100 / 100
 109 ms 7420 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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