Submission #203922

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
203922	2020-02-23T03:29:51 Z	AQT	Remittance (JOI19_remittance)	C++14	0 / 100	5 ms	424 KB

remittance

#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] == 1 && brr[i] == 0) || arr[i] <= brr[i]){
			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	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	4 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	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	372 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	424 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	376 KB	Output is correct
17	Correct	4 ms	376 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct
19	Correct	5 ms	380 KB	Output is correct
20	Incorrect	4 ms	376 KB	Output isn't correct
21	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	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	4 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	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	372 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	424 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	376 KB	Output is correct
17	Correct	4 ms	376 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct
19	Correct	5 ms	380 KB	Output is correct
20	Incorrect	4 ms	376 KB	Output isn't correct
21	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	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	4 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	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	372 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	424 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	376 KB	Output is correct
17	Correct	4 ms	376 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct
19	Correct	5 ms	380 KB	Output is correct
20	Incorrect	4 ms	376 KB	Output isn't correct
21	Halted	0 ms	0 KB	-