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Submission #203923

# Submission time Handle Problem Language Result Execution time Memory
203923 2020-02-23T03:33:16 Z AQT Remittance (JOI19_remittance) C++14
0 / 100
 5 ms 504 KB 
#include <bits/stdc++.h>

using namespace std;

int N;
long long arr[1000005], brr[1000005];

int main(){
	cin.sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin >> N;
	for(int i = 0; i<N; i++){
		cin >> arr[i] >> brr[i];
	}
	int cnt = 0;
	for(int i = 0; cnt <= 2*N+5; cnt++, i++, i%=N){
		if(arr[i] <= brr[i]+1){
			cnt++;	
		}
		else{
			long long d = arr[i]-brr[i];
			d += d&1;
			arr[(i+1)%N] += d/2;
			arr[i] -= d;
			cnt = 0;
		}
	}
	bool b = 1;
	for(int i = 0; i<N; i++){
		if(arr[i] != brr[i]){
			b = 0;
		}
	}
	cout << (b ? "Yes" : "No") << endl;
}

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 248 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 504 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 380 KB Output is correct
8 Incorrect 5 ms 376 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 248 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 504 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 380 KB Output is correct
8 Incorrect 5 ms 376 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #3
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 248 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 504 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 380 KB Output is correct
8 Incorrect 5 ms 376 KB Output isn't correct
9 Halted 0 ms 0 KB -