oj.uz

Submission #55424

# Submission time Handle Problem Language Result Execution time Memory
55424 2018-07-07T09:16:43 Z 노영훈(#1544) Toilets (JOI16_toilets) C++11
0 / 100
 5 ms 3448 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int MX=100010, inf=2e9;

ll n;
int m, K[MX];
string S[MX];


void NOPE(){
    cout<<-1;
    exit(0);
}

int main(){
    ios::sync_with_stdio(0); cin.tie(0);
    cin>>n>>m;
    // ll sum=0, mn=0, ans=0;

    if(m!=1) NOPE();

    char S[MX]; int k;
    for(int i=1; i<=m; i++){
        cin>>(S+1)>>k;

        int now=0, low=0, cnt=0, tmp=0;
        for(int i=1; S[i]!=0; i++){
            if(S[i]=='M'){
                cnt++;
                now++;
            }
            else{
                now--;
            }
            if(low>now) low=now, tmp=cnt;
        }
        
        if(cnt>n) NOPE();

        int need=max(0, -1-low);
        if(need>cnt-tmp) NOPE();
        else cout<<need;
    }


    return 0;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 3448 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 3448 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 64.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 3448 KB Output isn't correct
2 Halted 0 ms 0 KB -