/* ************************************************************************** */
/* */
/* ::: ::: ::: */
/* Problem Number: 17709 :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: js9028 <boj.kr/u/js9028> +#+ +#+ +#+ */
/* +#+ +#+ +#+ */
/* https://boj.kr/17709 #+# #+# #+# */
/* Solved: 2024/09/12 19:48:56 by js9028 ### ### ##.kr */
/* */
/* ************************************************************************** */
#include <bits/stdc++.h>
using namespace std;
#define fastio (ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL))
typedef long long ll;
typedef long double lld;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
const int MAXSIZE = 2000000;
const long long INF = 1e18 + 5;
const double EPSILON = 1e-14;
const ll DIV = 2000003;
const long double pi = 3.14159265358979323846264338327950288419716939937510L;
ll n, m;
string s[200055];
ll cnt[200055];
int main()
{
fastio;
cin >> n >> m;
for (int i = 0; i < m; i++)
{
cin >> s[i];
cin >> cnt[i];
}
ll glt = 0;
ll mxt = 0;
for (int i = m - 1; i >= 0; i--)
{
string &cs = s[i];
ll nt = 0;
for (int j = cs.size() - 1; j >= 0; j--)
{
nt += (cs[j] == 'M' ? -1 : 1);
mxt = min(mxt, nt + glt);
}
glt += nt * (cnt[i] - 1);
nt = 0;
for (int j = cs.size() - 1; j >= 0; j--)
{
nt += (cs[j] == 'M' ? -1 : 1);
mxt = min(mxt, nt + glt);
}
glt += nt;
mxt = min(mxt, glt);
}
if (glt < 0)
{
cout << -1;
}
else
{
cout << max(0ll, -mxt - 1);
}
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
3 ms |
6488 KB |
Output is correct |
| 2 |
Correct |
4 ms |
6492 KB |
Output is correct |
| 3 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 4 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 5 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 6 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 7 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 8 |
Correct |
3 ms |
6608 KB |
Output is correct |
| 9 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 10 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 11 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 12 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 13 |
Correct |
3 ms |
6488 KB |
Output is correct |
| 14 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 15 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 16 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 17 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 18 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 19 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 20 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 21 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 22 |
Correct |
2 ms |
6492 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
3 ms |
6488 KB |
Output is correct |
| 2 |
Correct |
4 ms |
6492 KB |
Output is correct |
| 3 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 4 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 5 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 6 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 7 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 8 |
Correct |
3 ms |
6608 KB |
Output is correct |
| 9 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 10 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 11 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 12 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 13 |
Correct |
3 ms |
6488 KB |
Output is correct |
| 14 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 15 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 16 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 17 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 18 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 19 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 20 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 21 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 22 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 23 |
Correct |
3 ms |
7000 KB |
Output is correct |
| 24 |
Correct |
3 ms |
7000 KB |
Output is correct |
| 25 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 26 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 27 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 28 |
Correct |
4 ms |
7004 KB |
Output is correct |
| 29 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 30 |
Correct |
3 ms |
7000 KB |
Output is correct |
| 31 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 32 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 33 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 34 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 35 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 36 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 37 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 38 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 39 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 40 |
Correct |
3 ms |
7000 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
3 ms |
6488 KB |
Output is correct |
| 2 |
Correct |
4 ms |
6492 KB |
Output is correct |
| 3 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 4 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 5 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 6 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 7 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 8 |
Correct |
3 ms |
6608 KB |
Output is correct |
| 9 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 10 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 11 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 12 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 13 |
Correct |
3 ms |
6488 KB |
Output is correct |
| 14 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 15 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 16 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 17 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 18 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 19 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 20 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 21 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 22 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 23 |
Correct |
3 ms |
7000 KB |
Output is correct |
| 24 |
Correct |
3 ms |
7000 KB |
Output is correct |
| 25 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 26 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 27 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 28 |
Correct |
4 ms |
7004 KB |
Output is correct |
| 29 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 30 |
Correct |
3 ms |
7000 KB |
Output is correct |
| 31 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 32 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 33 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 34 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 35 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 36 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 37 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 38 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 39 |
Correct |
3 ms |
7004 KB |
Output is correct |
| 40 |
Correct |
3 ms |
7000 KB |
Output is correct |
| 41 |
Correct |
19 ms |
7260 KB |
Output is correct |
| 42 |
Correct |
15 ms |
7412 KB |
Output is correct |
| 43 |
Correct |
3 ms |
6488 KB |
Output is correct |
| 44 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 45 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 46 |
Correct |
5 ms |
7004 KB |
Output is correct |
| 47 |
Correct |
4 ms |
6748 KB |
Output is correct |
| 48 |
Correct |
3 ms |
6748 KB |
Output is correct |
| 49 |
Correct |
3 ms |
6748 KB |
Output is correct |
| 50 |
Correct |
3 ms |
6908 KB |
Output is correct |
| 51 |
Correct |
5 ms |
7004 KB |
Output is correct |
| 52 |
Correct |
13 ms |
7264 KB |
Output is correct |
| 53 |
Correct |
13 ms |
7260 KB |
Output is correct |
| 54 |
Correct |
14 ms |
7272 KB |
Output is correct |
| 55 |
Correct |
3 ms |
6748 KB |
Output is correct |
| 56 |
Correct |
3 ms |
6748 KB |
Output is correct |
