Submission #787448

#	Time	Username	Problem	Language	Result	Execution time	Memory
787448		anton	Remittance (JOI19_remittance)	C++17	0 / 100	1 ms	212 KiB

remittance

#include<bits/stdc++.h>

using namespace std;
#define int long long

const int MAX_N = 1e6;
int n,a[MAX_N], b[MAX_N];
signed main(){
    cin>>n;

    for(int i = 0; i<n; i++){
        cin>>a[i];
        cin>>b[i];
    }

    for(int turn = 0; turn<35; turn++){
        for(int i = 0; i<n; i++){
            int dif= (a[i]-b[i])/2;
            if(dif>0){
                a[i]-=2*dif;
                a[(i+1)%n] += dif;
            }
        }
    }

    bool ok = true;

    for(int i = 0; i<n; i++){
        ok &= a[i]==b[i];
    }

    if(ok){
        cout<<"Yes"<<endl;
    }
    else{
        cout<<"No"<<endl;
    }
}

• Subtask 1: 0 / 15
• Subtask 2: 0 / 40
• Subtask 3: 0 / 45