Submission #580203

#	Time	Username	Problem	Language	Result	Execution time	Memory
580203		jasmin	Boarding Passes (BOI22_passes)	C++17	5 / 100	1 ms	468 KiB

passes

#include<bits/stdc++.h>
using namespace std;
#define int long long

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    string s;
    cin >> s;
    int n=s.size();
    double ans=0;
    for(int i=0; i<n/2; i++){
        ans+=i;
    }
    if(n%2==1){
        ans+=(n/2)*0.5;
    }
    cout.precision(30);
    cout << ans << "\n";
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 25
• Subtask 3: 0 / 30
• Subtask 4: 0 / 40