제출 #336842

#제출 시각아이디문제언어결과실행 시간메모리
336842blueRemittance (JOI19_remittance)C++11
0 / 100
1 ms384 KiB
#include <iostream> using namespace std; int main() { int N; cin >> N; int A[N], B[N]; for(int i = 0; i < N; i++) { cin >> A[i] >> B[i]; } for(int r = 0; r < N; r++) { for(int i = 0; i < N; i++) { if(A[i] - B[i] < 2) continue; int t = (A[i] - B[i])/2; A[i] -= 2*t; A[(i+1)%N] += t; } } for(int i = 0; i < N; i++) if(A[i] != B[i]) { cout << "No\n"; return 0; } cout << "Yes\n"; }
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