Submission #433966

#	Time	Username	Problem	Language	Result	Execution time	Memory
433966		Maqsut_03	송금 (JOI19_remittance)	C++14	0 / 100	1 ms	304 KiB

remittance

#include<bits/stdc++.h>
#define ll long long 
#define ss second
#define ff first
using namespace std;
const int N = 222222;

int n;
ll a[N], b[N], k;

int main()
{
	cin >> n;
	for (int i=1; i<=n; i++) cin >> a[i] >> b[i];
	
	int q = 1000;
	while (q)
	{
		for (int i=1; i<n; i++)
		{
			if (a[i] > b[i]) 
			{
				k = a[i] - b[i];
				a[i+1] += k / 2 + k % 2;
				a[i] = b[i] - k % 2;
			}
		}
		if (a[n] > b[n])
		{
			k = a[n] - b[n];
			a[1] += k / 2 + k % 2;
			a[n] = b[n] - k % 2;
		}
		q--;
	}
	for (int i=1; i<=n; i++)
	{
		if (a[i] != b[i])
		{
			cout << "No";
			return 0;
		}
	}
	cout << "Yes\n";
	return 0;
}

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