Submission #897230

#	Time	Username	Problem	Language	Result	Execution time	Memory
897230		NK_	Remittance (JOI19_remittance)	C++17	0 / 100	1 ms	348 KiB

remittance

// Success consists of going from failure to failure without loss of enthusiasm
#include <bits/stdc++.h>

using namespace std;

#define nl '\n'

using ll = long long;
template<class T> using V = vector<T>;
using vi = V<int>;
using vl = V<ll>;

int main() {
	cin.tie(0)->sync_with_stdio(0);
	
	int N; cin >> N;
	vl A(N), B(N); for(int i = 0; i < N; i++) cin >> A[i] >> B[i];

	for(int t = 0; t < 300; t++) {
		// move all not used money (it halfs each time hence i only need to repeat ~60 times)

		for(int x = 0; x < N; x++) {
			ll amt = (max(0LL, A[x] - B[x]) / 2) * 2;
			// cout << x << " " << amt << nl; 
			A[x] -= amt;
			A[(x + 1) % N] += amt / 2;
		}
	}

	cout << (A == B ? "Yes" : "No") << nl;

	exit(0-0);
}

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