제출 #1242044

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1242044		thangdz2k7	송금 (JOI19_remittance)	C++20	0 / 100	0 ms	324 KiB

remittance

#include <bits/stdc++.h>

using namespace std;

void process(){
    int n; cin >> n;
    vector <int> A(n), B(n);
    for (int i = 0; i < n; ++ i) 
        cin >> A[i] >> B[i];

    for (int loops = 0; loops < 32; ++ loops) {
        for (int i = 0; i < n; ++ i){
            if (A[i] > B[i]){
                int to = (A[i] - B[i]);
                if ((to & 1) && (to + 1) <= A[i]) to ++;
                A[i] -= to;
                A[(i + 1) % n] += to / 2;
            }
         }
    }

    for (int i = 0; i < n; ++ i) if (A[i] != B[i]){
        cout << "No" << "\n";
        return;
    }

    cout << "Yes" << "\n";
}

int main(){

    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    process();
    return 0;

}

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