Submission #3383564


Source Code Expand

#include "bits/stdc++.h"

using namespace std;

typedef long long ll;
typedef long double ld;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);

    ll x,p;cin>>x>>p;
    if(p==100){
        if(x%2) cout<<1+(x-1)/2<<endl;
        else cout<<x/2<<endl;
    }
    else{
        bool f=false;
        if(x%2){
            x++;
            f=true;
        }
        ld a= x/2*(100.0/p), b=(x-2)/2*(100.0/p);
        if(!f){
            cout<<fixed<<setprecision(10)<<a<<endl;
        }
        else{
            ld res=a*(100.0-p)/100 + b*p/100.0;
            cout<<fixed<<setprecision(10)<<1+res<<endl;
        }
    }
}

Submission Info

Submission Time
Task A - Takahashi is Missing!
User zaki_
Language C++14 (GCC 5.4.1)
Score 700
Code Size 662 Byte
Status AC
Exec Time 1 ms
Memory 256 KB

Judge Result

Set Name Sample Dataset1 Dataset2 Dataset3
Score / Max Score 0 / 0 200 / 200 300 / 300 200 / 200
Status
AC × 3
AC × 7
AC × 10
AC × 23
Set Name Test Cases
Sample subtask_01_ex1.txt, subtask_03_ex2.txt, subtask_04_ex3.txt
Dataset1 subtask_01_02.txt, subtask_01_03.txt, subtask_01_04.txt, subtask_01_ex1.txt, subtask_02_01.txt, subtask_02_02.txt, subtask_02_03.txt
Dataset2 subtask_01_02.txt, subtask_01_03.txt, subtask_01_04.txt, subtask_01_ex1.txt, subtask_03_01.txt, subtask_03_02.txt, subtask_03_03.txt, subtask_03_04.txt, subtask_03_05.txt, subtask_03_ex2.txt
Dataset3 subtask_01_02.txt, subtask_01_03.txt, subtask_01_04.txt, subtask_01_ex1.txt, subtask_02_01.txt, subtask_02_02.txt, subtask_02_03.txt, subtask_03_01.txt, subtask_03_02.txt, subtask_03_03.txt, subtask_03_04.txt, subtask_03_05.txt, subtask_03_ex2.txt, subtask_04_01.txt, subtask_04_02.txt, subtask_04_03.txt, subtask_04_04.txt, subtask_04_05.txt, subtask_04_06.txt, subtask_04_07.txt, subtask_04_08.txt, subtask_04_09.txt, subtask_04_ex3.txt
Case Name Status Exec Time Memory
subtask_01_02.txt AC 1 ms 256 KB
subtask_01_03.txt AC 1 ms 256 KB
subtask_01_04.txt AC 1 ms 256 KB
subtask_01_ex1.txt AC 1 ms 256 KB
subtask_02_01.txt AC 1 ms 256 KB
subtask_02_02.txt AC 1 ms 256 KB
subtask_02_03.txt AC 1 ms 256 KB
subtask_03_01.txt AC 1 ms 256 KB
subtask_03_02.txt AC 1 ms 256 KB
subtask_03_03.txt AC 1 ms 256 KB
subtask_03_04.txt AC 1 ms 256 KB
subtask_03_05.txt AC 1 ms 256 KB
subtask_03_ex2.txt AC 1 ms 256 KB
subtask_04_01.txt AC 1 ms 256 KB
subtask_04_02.txt AC 1 ms 256 KB
subtask_04_03.txt AC 1 ms 256 KB
subtask_04_04.txt AC 1 ms 256 KB
subtask_04_05.txt AC 1 ms 256 KB
subtask_04_06.txt AC 1 ms 256 KB
subtask_04_07.txt AC 1 ms 256 KB
subtask_04_08.txt AC 1 ms 256 KB
subtask_04_09.txt AC 1 ms 256 KB
subtask_04_ex3.txt AC 1 ms 256 KB