#include<bits/stdc++.h>
using namespace std;
#define LL long long
#define MP(a,b) make_pair(a,b)
LL N,M;
string S[100000];
LL K[100000];
LL ans = 0;
int main(){
cin >> N >> M;
LL male2 = 0;
for(int i=0; i<M; i++){
cin >> S[i] >> K[i];
for(int j=0; j<S[i].size(); j++){
if(S[i][j] == 'M') male2 += K[i];
}
reverse(S[i].begin(), S[i].end());
}
reverse(S, S+M);
reverse(K, K+M);
if(male2 > N){
cout << -1 << endl;
return 0;
}
LL sumMale = 0;
LL sum = 0;
for(int i=0; i<M; i++){
LL male = 0;
for(LL j=0; j<S[i].size(); j++){
if(S[i][j] == 'M'){
ans = max(ans, 2*(male+sumMale) - (j+sum));
male++;
}
}
sumMale += male * (K[i] - 1);
sum += (LL)S[i].size() * (K[i] - 1);
male = 0;
for(LL j=0; j<S[i].size(); j++){
if(S[i][j] == 'M'){
ans = max(ans, 2*(male+sumMale) - (j+sum));
male++;
}
}
sumMale += male;
sum += (LL)S[i].size();
}
cout << ans << endl;
return 0;
}
Compilation message
toilets.cpp: In function 'int main()':
toilets.cpp:14:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j=0; j<S[i].size(); j++){
~^~~~~~~~~~~~
toilets.cpp:29:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(LL j=0; j<S[i].size(); j++){
~^~~~~~~~~~~~
toilets.cpp:39:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(LL j=0; j<S[i].size(); j++){
~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
3584 KB |
Output is correct |
| 2 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 3 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 4 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 5 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 6 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 7 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 8 |
Correct |
5 ms |
3484 KB |
Output is correct |
| 9 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 10 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 11 |
Correct |
5 ms |
3524 KB |
Output is correct |
| 12 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 13 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 14 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 15 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 16 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 17 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 18 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 19 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 20 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 21 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 22 |
Correct |
4 ms |
3456 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
3584 KB |
Output is correct |
| 2 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 3 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 4 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 5 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 6 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 7 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 8 |
Correct |
5 ms |
3484 KB |
Output is correct |
| 9 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 10 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 11 |
Correct |
5 ms |
3524 KB |
Output is correct |
| 12 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 13 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 14 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 15 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 16 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 17 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 18 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 19 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 20 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 21 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 22 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 23 |
Correct |
14 ms |
3984 KB |
Output is correct |
| 24 |
Correct |
14 ms |
4096 KB |
Output is correct |
| 25 |
Correct |
14 ms |
4068 KB |
Output is correct |
| 26 |
Correct |
12 ms |
3984 KB |
Output is correct |
| 27 |
Correct |
11 ms |
3984 KB |
Output is correct |
| 28 |
Correct |
15 ms |
3984 KB |
Output is correct |
| 29 |
Correct |
14 ms |
4032 KB |
Output is correct |
| 30 |
Correct |
16 ms |
3984 KB |
Output is correct |
| 31 |
Correct |
16 ms |
3984 KB |
Output is correct |
| 32 |
Correct |
15 ms |
4004 KB |
Output is correct |
| 33 |
Correct |
12 ms |
4096 KB |
Output is correct |
| 34 |
Correct |
17 ms |
4068 KB |
Output is correct |
| 35 |
Correct |
14 ms |
4028 KB |
Output is correct |
| 36 |
Correct |
20 ms |
3984 KB |
Output is correct |
| 37 |
Correct |
14 ms |
3984 KB |
Output is correct |
| 38 |
Correct |
13 ms |
3984 KB |
Output is correct |
| 39 |
Correct |
18 ms |
4012 KB |
Output is correct |
| 40 |
Correct |
15 ms |
4096 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
3584 KB |
Output is correct |
| 2 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 3 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 4 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 5 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 6 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 7 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 8 |
Correct |
5 ms |
3484 KB |
Output is correct |
| 9 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 10 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 11 |
Correct |
5 ms |
3524 KB |
Output is correct |
| 12 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 13 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 14 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 15 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 16 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 17 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 18 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 19 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 20 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 21 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 22 |
Correct |
4 ms |
3456 KB |
Output is correct |
| 23 |
Correct |
14 ms |
3984 KB |
Output is correct |
| 24 |
Correct |
14 ms |
4096 KB |
Output is correct |
| 25 |
Correct |
14 ms |
4068 KB |
Output is correct |
| 26 |
Correct |
12 ms |
3984 KB |
Output is correct |
| 27 |
Correct |
11 ms |
3984 KB |
Output is correct |
| 28 |
Correct |
15 ms |
3984 KB |
Output is correct |
| 29 |
Correct |
14 ms |
4032 KB |
Output is correct |
| 30 |
Correct |
16 ms |
3984 KB |
Output is correct |
| 31 |
Correct |
16 ms |
3984 KB |
Output is correct |
| 32 |
Correct |
15 ms |
4004 KB |
Output is correct |
| 33 |
Correct |
12 ms |
4096 KB |
Output is correct |
| 34 |
Correct |
17 ms |
4068 KB |
Output is correct |
| 35 |
Correct |
14 ms |
4028 KB |
Output is correct |
| 36 |
Correct |
20 ms |
3984 KB |
Output is correct |
| 37 |
Correct |
14 ms |
3984 KB |
Output is correct |
| 38 |
Correct |
13 ms |
3984 KB |
Output is correct |
| 39 |
Correct |
18 ms |
4012 KB |
Output is correct |
| 40 |
Correct |
15 ms |
4096 KB |
Output is correct |
| 41 |
Correct |
120 ms |
5828 KB |
Output is correct |
| 42 |
Correct |
99 ms |
5852 KB |
Output is correct |
| 43 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 44 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 45 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 46 |
Correct |
33 ms |
4344 KB |
Output is correct |
| 47 |
Correct |
19 ms |
3968 KB |
Output is correct |
| 48 |
Correct |
15 ms |
3968 KB |
Output is correct |
| 49 |
Correct |
16 ms |
3968 KB |
Output is correct |
| 50 |
Correct |
15 ms |
3968 KB |
Output is correct |
| 51 |
Correct |
24 ms |
4216 KB |
Output is correct |
| 52 |
Correct |
83 ms |
5332 KB |
Output is correct |
| 53 |
Correct |
76 ms |
5276 KB |
Output is correct |
| 54 |
Correct |
67 ms |
5368 KB |
Output is correct |
| 55 |
Correct |
14 ms |
3968 KB |
Output is correct |
| 56 |
Correct |
15 ms |
3968 KB |
Output is correct |
