Submission #696774

#	Time	Username	Problem	Language	Result	Execution time	Memory
696774		Cross_Ratio	Toilets (JOI16_toilets)	C++14	36 / 100	4 ms	3984 KiB

toilets

#include <bits/stdc++.h>
using namespace std;
string s[100005];
int A[100005];
signed main() {
    cin.sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int N;
    int M;
    cin >> N >> M;
    int i, j;
    for(i=0;i<M;i++) cin >> s[i] >> A[i];
    int cnt = 0;
    int ma = 0;
    for(i=2*N-1;i>=0;i--) {
        if(s[0][i]=='M') cnt++;
        else cnt--;
        ma = max(ma, cnt);
    }
    cout << (cnt <= 0 ? max(0,ma-1) : -1);
}

Compilation message (stderr)

toilets.cpp: In function 'int main()':
toilets.cpp:12:12: warning: unused variable 'j' [-Wunused-variable]
   12 |     int i, j;
      |            ^

• Subtask 1: 14 / 14
• Subtask 2: 22 / 22
• Subtask 3: 0 / 64