Submission #329852

#	Time	Username	Problem	Language	Result	Execution time	Memory
329852		nickmet2004	송금 (JOI19_remittance)	C++11	100 / 100	677 ms	36588 KiB

remittance

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

 main (){
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n;
    cin >> n;
    vector<int> a(n) , b(n);
    for(int i  =0; i< n; ++i)cin >> a[i] >> b[i];
    for(int k= 0; k< 60; ++k){
        for(int i =0; i <n; ++i){
            if(a[i] < b[i])continue;
            if(a[i] <=1)continue;
            a[(i + 1) % n] += (a[i] - b[i] + 1) / 2;
            a[i] -= (a[i] - b[i] + 1) / 2 * 2;
            if(a[i] < 0) a[i] += 2 , a[(i + 1) % n]--;
        }
    }
    cout << ((a == b) ? "Yes" : "No") << endl;
}

Compilation message (stderr)

remittance.cpp:5:8: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    5 |  main (){
      |        ^

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