#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll n, k;
vector<pair<string, ll> > vec;
ll m, f;
ll ans;
ll depth;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> n >> k;
for(int i=1; i<=k; i++){
string ts;
ll tt;
cin >> ts >> tt;
reverse(ts.begin(), ts.end());
for(int i=0; i<(int)ts.size(); i++){
if(ts[i] == 'M') m += tt;
else f += tt;
}
vec.push_back(make_pair(ts, tt));
}
if(m > n){
printf("-1");
return 0;
}
reverse(vec.begin(), vec.end());
for(int i=0; i<k; i++){
ll thisDepth = 0;
ll maxDepth = 0;
for(auto &x: vec[i].first){
if(x == 'M') thisDepth--;
else thisDepth++;
if(thisDepth < maxDepth) maxDepth = thisDepth;
}
if(thisDepth >= 0){
ans = min(ans, depth + maxDepth);
depth += thisDepth * vec[i].second;
}
else{
ans = min(ans, depth + thisDepth * (vec[i].second - 1) + maxDepth);
depth += thisDepth * vec[i].second;
}
}
printf("%lld", max(0LL, -ans-1));
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
384 KB |
Output is correct |
| 3 |
Correct |
0 ms |
384 KB |
Output is correct |
| 4 |
Correct |
0 ms |
384 KB |
Output is correct |
| 5 |
Correct |
1 ms |
384 KB |
Output is correct |
| 6 |
Correct |
0 ms |
384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
0 ms |
384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
0 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
384 KB |
Output is correct |
| 12 |
Correct |
0 ms |
384 KB |
Output is correct |
| 13 |
Correct |
1 ms |
384 KB |
Output is correct |
| 14 |
Correct |
0 ms |
384 KB |
Output is correct |
| 15 |
Correct |
1 ms |
384 KB |
Output is correct |
| 16 |
Correct |
0 ms |
384 KB |
Output is correct |
| 17 |
Correct |
0 ms |
384 KB |
Output is correct |
| 18 |
Correct |
0 ms |
384 KB |
Output is correct |
| 19 |
Correct |
0 ms |
384 KB |
Output is correct |
| 20 |
Correct |
0 ms |
384 KB |
Output is correct |
| 21 |
Correct |
0 ms |
384 KB |
Output is correct |
| 22 |
Correct |
0 ms |
384 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
384 KB |
Output is correct |
| 3 |
Correct |
0 ms |
384 KB |
Output is correct |
| 4 |
Correct |
0 ms |
384 KB |
Output is correct |
| 5 |
Correct |
1 ms |
384 KB |
Output is correct |
| 6 |
Correct |
0 ms |
384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
0 ms |
384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
0 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
384 KB |
Output is correct |
| 12 |
Correct |
0 ms |
384 KB |
Output is correct |
| 13 |
Correct |
1 ms |
384 KB |
Output is correct |
| 14 |
Correct |
0 ms |
384 KB |
Output is correct |
| 15 |
Correct |
1 ms |
384 KB |
Output is correct |
| 16 |
Correct |
0 ms |
384 KB |
Output is correct |
| 17 |
Correct |
0 ms |
384 KB |
Output is correct |
| 18 |
Correct |
0 ms |
384 KB |
Output is correct |
| 19 |
Correct |
0 ms |
384 KB |
Output is correct |
| 20 |
Correct |
0 ms |
384 KB |
Output is correct |
| 21 |
Correct |
0 ms |
384 KB |
Output is correct |
| 22 |
Correct |
0 ms |
384 KB |
Output is correct |
| 23 |
Correct |
3 ms |
908 KB |
Output is correct |
| 24 |
Correct |
3 ms |
908 KB |
Output is correct |
| 25 |
Correct |
3 ms |
908 KB |
Output is correct |
| 26 |
Correct |
2 ms |
908 KB |
Output is correct |
| 27 |
Correct |
2 ms |
908 KB |
Output is correct |
| 28 |
Correct |
3 ms |
908 KB |
Output is correct |
| 29 |
Correct |
3 ms |
908 KB |
Output is correct |
| 30 |
Correct |
3 ms |
908 KB |
Output is correct |
| 31 |
Correct |
3 ms |
908 KB |
Output is correct |
| 32 |
Correct |
3 ms |
908 KB |
Output is correct |
| 33 |
Correct |
2 ms |
908 KB |
Output is correct |
| 34 |
Correct |
2 ms |
908 KB |
Output is correct |
| 35 |
Correct |
4 ms |
908 KB |
Output is correct |
| 36 |
Correct |
3 ms |
908 KB |
Output is correct |
| 37 |
Correct |
2 ms |
908 KB |
Output is correct |
| 38 |
Correct |
2 ms |
908 KB |
Output is correct |
| 39 |
Correct |
3 ms |
908 KB |
Output is correct |
| 40 |
Correct |
3 ms |
908 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
384 KB |
Output is correct |
| 3 |
Correct |
0 ms |
384 KB |
Output is correct |
| 4 |
Correct |
0 ms |
384 KB |
Output is correct |
| 5 |
Correct |
1 ms |
384 KB |
Output is correct |
| 6 |
Correct |
0 ms |
384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
0 ms |
384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
0 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
384 KB |
Output is correct |
| 12 |
Correct |
0 ms |
384 KB |
Output is correct |
| 13 |
Correct |
1 ms |
384 KB |
Output is correct |
| 14 |
Correct |
0 ms |
384 KB |
Output is correct |
| 15 |
Correct |
1 ms |
384 KB |
Output is correct |
| 16 |
Correct |
0 ms |
384 KB |
Output is correct |
| 17 |
Correct |
0 ms |
384 KB |
Output is correct |
| 18 |
Correct |
0 ms |
384 KB |
Output is correct |
| 19 |
Correct |
0 ms |
384 KB |
Output is correct |
| 20 |
Correct |
0 ms |
384 KB |
Output is correct |
| 21 |
Correct |
0 ms |
384 KB |
Output is correct |
| 22 |
Correct |
0 ms |
384 KB |
Output is correct |
| 23 |
Correct |
3 ms |
908 KB |
Output is correct |
| 24 |
Correct |
3 ms |
908 KB |
Output is correct |
| 25 |
Correct |
3 ms |
908 KB |
Output is correct |
| 26 |
Correct |
2 ms |
908 KB |
Output is correct |
| 27 |
Correct |
2 ms |
908 KB |
Output is correct |
| 28 |
Correct |
3 ms |
908 KB |
Output is correct |
| 29 |
Correct |
3 ms |
908 KB |
Output is correct |
| 30 |
Correct |
3 ms |
908 KB |
Output is correct |
| 31 |
Correct |
3 ms |
908 KB |
Output is correct |
| 32 |
Correct |
3 ms |
908 KB |
Output is correct |
| 33 |
Correct |
2 ms |
908 KB |
Output is correct |
| 34 |
Correct |
2 ms |
908 KB |
Output is correct |
| 35 |
Correct |
4 ms |
908 KB |
Output is correct |
| 36 |
Correct |
3 ms |
908 KB |
Output is correct |
| 37 |
Correct |
2 ms |
908 KB |
Output is correct |
| 38 |
Correct |
2 ms |
908 KB |
Output is correct |
| 39 |
Correct |
3 ms |
908 KB |
Output is correct |
| 40 |
Correct |
3 ms |
908 KB |
Output is correct |
| 41 |
Correct |
31 ms |
6896 KB |
Output is correct |
| 42 |
Correct |
31 ms |
6888 KB |
Output is correct |
| 43 |
Correct |
0 ms |
384 KB |
Output is correct |
| 44 |
Correct |
0 ms |
384 KB |
Output is correct |
| 45 |
Correct |
0 ms |
384 KB |
Output is correct |
| 46 |
Correct |
8 ms |
1628 KB |
Output is correct |
| 47 |
Correct |
4 ms |
768 KB |
Output is correct |
| 48 |
Correct |
3 ms |
768 KB |
Output is correct |
| 49 |
Correct |
3 ms |
768 KB |
Output is correct |
| 50 |
Correct |
3 ms |
768 KB |
Output is correct |
| 51 |
Correct |
8 ms |
1500 KB |
Output is correct |
| 52 |
Correct |
29 ms |
6512 KB |
Output is correct |
| 53 |
Correct |
27 ms |
6512 KB |
Output is correct |
| 54 |
Correct |
26 ms |
6512 KB |
Output is correct |
| 55 |
Correct |
3 ms |
768 KB |
Output is correct |
| 56 |
Correct |
2 ms |
768 KB |
Output is correct |
