#include <bits/stdc++.h>
using namespace std;
using ll = long long;
inline void fastio() {
std::ios_base::sync_with_stdio(false);
std::cin.tie(nullptr);
std::cout.tie(nullptr);
}
ll n, m, ans, sum;
stack<pair<string, ll>> s;
int main() {
fastio();
cin >> n >> m;
while (m--) {
string str; ll t;
cin >> str >> t;
s.emplace(str, t);
}
while (!s.empty()) {
auto [str, k] = s.top();
s.pop();
ll mx = 0, tmp = 0;
for (auto it = str.end() - 1; it >= str.begin(); it--) {
tmp += *it == 'M' ? 1 : -1;
mx = max(mx, tmp - 1);
}
ans = max(ans, sum + k * mx);
sum += tmp;
}
cout << (sum <= 0 ? ans : -1);
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 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 |
1 ms |
760 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 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 |
1 ms |
760 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
1000 KB |
Output is correct |
24 |
Correct |
1 ms |
1000 KB |
Output is correct |
25 |
Correct |
1 ms |
1000 KB |
Output is correct |
26 |
Correct |
2 ms |
1048 KB |
Output is correct |
27 |
Correct |
1 ms |
1000 KB |
Output is correct |
28 |
Correct |
1 ms |
1048 KB |
Output is correct |
29 |
Correct |
1 ms |
1024 KB |
Output is correct |
30 |
Correct |
1 ms |
1000 KB |
Output is correct |
31 |
Correct |
2 ms |
1060 KB |
Output is correct |
32 |
Correct |
1 ms |
1000 KB |
Output is correct |
33 |
Correct |
1 ms |
1024 KB |
Output is correct |
34 |
Correct |
1 ms |
1000 KB |
Output is correct |
35 |
Correct |
1 ms |
1000 KB |
Output is correct |
36 |
Correct |
1 ms |
1000 KB |
Output is correct |
37 |
Correct |
1 ms |
1020 KB |
Output is correct |
38 |
Correct |
1 ms |
1060 KB |
Output is correct |
39 |
Correct |
1 ms |
996 KB |
Output is correct |
40 |
Correct |
2 ms |
1280 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 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 |
1 ms |
760 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
1000 KB |
Output is correct |
24 |
Correct |
1 ms |
1000 KB |
Output is correct |
25 |
Correct |
1 ms |
1000 KB |
Output is correct |
26 |
Correct |
2 ms |
1048 KB |
Output is correct |
27 |
Correct |
1 ms |
1000 KB |
Output is correct |
28 |
Correct |
1 ms |
1048 KB |
Output is correct |
29 |
Correct |
1 ms |
1024 KB |
Output is correct |
30 |
Correct |
1 ms |
1000 KB |
Output is correct |
31 |
Correct |
2 ms |
1060 KB |
Output is correct |
32 |
Correct |
1 ms |
1000 KB |
Output is correct |
33 |
Correct |
1 ms |
1024 KB |
Output is correct |
34 |
Correct |
1 ms |
1000 KB |
Output is correct |
35 |
Correct |
1 ms |
1000 KB |
Output is correct |
36 |
Correct |
1 ms |
1000 KB |
Output is correct |
37 |
Correct |
1 ms |
1020 KB |
Output is correct |
38 |
Correct |
1 ms |
1060 KB |
Output is correct |
39 |
Correct |
1 ms |
996 KB |
Output is correct |
40 |
Correct |
2 ms |
1280 KB |
Output is correct |
41 |
Incorrect |
21 ms |
5980 KB |
Output isn't correct |
42 |
Halted |
0 ms |
0 KB |
- |