Submission #741702

#	Time	Username	Problem	Language	Result	Execution time	Memory
741702		mohav48173	Boarding Passes (BOI22_passes)	C++14	5 / 100	3 ms	596 KiB

passes

#include<bits/stdc++.h>
using namespace std;
int main() {
    string s;cin>>s;
    int n=s.size();
    double ans=0;
    for(int i=0;i<n;i++) {
        ans+=((double)(min(i,n-i-1))/(double)2.0);
    }
    cout<<fixed<<setprecision(7);
    cout<<ans<<endl;
    return 0;
}

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