#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define fs first
#define sc second
ll N,M;
vector<pair<string,ll>> v;
int main(){
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
cin>>N>>M;
ll sum = 0,ans = 0;
for(ll i = 0;i<M;i++){
string s;
ll t;
cin>>s>>t;
reverse(s.begin(),s.end());
v.push_back(make_pair(s,t));
}
reverse(v.begin(),v.end());
for(auto [s,t] : v){
ll ts = 0,tbig = -1e18;
for(auto &i:s){
if(i == 'F'){
ts--;
tbig = max(tbig,ts);
}
else ts++;
}
ans = max(ans,sum+tbig);
sum += ts*(t-1);
ans = max(ans,sum+tbig);
sum += ts;
}
if(sum>0)cout<<"-1\n";
else cout<<ans<<'\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
452 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
456 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
452 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
452 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
456 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
452 KB |
Output is correct |
23 |
Correct |
2 ms |
1000 KB |
Output is correct |
24 |
Correct |
2 ms |
1116 KB |
Output is correct |
25 |
Correct |
2 ms |
1000 KB |
Output is correct |
26 |
Correct |
2 ms |
1280 KB |
Output is correct |
27 |
Correct |
1 ms |
1000 KB |
Output is correct |
28 |
Correct |
2 ms |
1000 KB |
Output is correct |
29 |
Correct |
2 ms |
1000 KB |
Output is correct |
30 |
Correct |
2 ms |
1168 KB |
Output is correct |
31 |
Correct |
2 ms |
1000 KB |
Output is correct |
32 |
Correct |
2 ms |
1000 KB |
Output is correct |
33 |
Correct |
1 ms |
1000 KB |
Output is correct |
34 |
Correct |
1 ms |
1000 KB |
Output is correct |
35 |
Correct |
2 ms |
1000 KB |
Output is correct |
36 |
Correct |
2 ms |
1048 KB |
Output is correct |
37 |
Correct |
1 ms |
1000 KB |
Output is correct |
38 |
Correct |
1 ms |
1000 KB |
Output is correct |
39 |
Correct |
2 ms |
1056 KB |
Output is correct |
40 |
Correct |
2 ms |
1056 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
452 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
456 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
452 KB |
Output is correct |
23 |
Correct |
2 ms |
1000 KB |
Output is correct |
24 |
Correct |
2 ms |
1116 KB |
Output is correct |
25 |
Correct |
2 ms |
1000 KB |
Output is correct |
26 |
Correct |
2 ms |
1280 KB |
Output is correct |
27 |
Correct |
1 ms |
1000 KB |
Output is correct |
28 |
Correct |
2 ms |
1000 KB |
Output is correct |
29 |
Correct |
2 ms |
1000 KB |
Output is correct |
30 |
Correct |
2 ms |
1168 KB |
Output is correct |
31 |
Correct |
2 ms |
1000 KB |
Output is correct |
32 |
Correct |
2 ms |
1000 KB |
Output is correct |
33 |
Correct |
1 ms |
1000 KB |
Output is correct |
34 |
Correct |
1 ms |
1000 KB |
Output is correct |
35 |
Correct |
2 ms |
1000 KB |
Output is correct |
36 |
Correct |
2 ms |
1048 KB |
Output is correct |
37 |
Correct |
1 ms |
1000 KB |
Output is correct |
38 |
Correct |
1 ms |
1000 KB |
Output is correct |
39 |
Correct |
2 ms |
1056 KB |
Output is correct |
40 |
Correct |
2 ms |
1056 KB |
Output is correct |
41 |
Correct |
18 ms |
6792 KB |
Output is correct |
42 |
Correct |
21 ms |
6860 KB |
Output is correct |
43 |
Correct |
0 ms |
348 KB |
Output is correct |
44 |
Correct |
0 ms |
348 KB |
Output is correct |
45 |
Correct |
0 ms |
348 KB |
Output is correct |
46 |
Correct |
4 ms |
1464 KB |
Output is correct |
47 |
Correct |
2 ms |
860 KB |
Output is correct |
48 |
Correct |
2 ms |
860 KB |
Output is correct |
49 |
Correct |
1 ms |
724 KB |
Output is correct |
50 |
Correct |
1 ms |
860 KB |
Output is correct |
51 |
Correct |
4 ms |
1452 KB |
Output is correct |
52 |
Correct |
16 ms |
6512 KB |
Output is correct |
53 |
Correct |
15 ms |
6600 KB |
Output is correct |
54 |
Correct |
15 ms |
6604 KB |
Output is correct |
55 |
Correct |
1 ms |
856 KB |
Output is correct |
56 |
Correct |
1 ms |
860 KB |
Output is correct |