Submission #548228

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
548228	2022-04-12T18:19:06 Z	MilosMilutinovic	Remittance (JOI19_remittance)	C++14	0 / 100	1 ms	308 KB

remittance

#include <bits/stdc++.h>
using namespace std;
const int N=1000050;
int n;
long long a[N],b[N];
int main(){
	scanf("%i",&n);
	for(int i=0;i<n;i++)scanf("%lld%lld",&a[i],&b[i]);
	for(int j=0;j<30;j++)for(int i=0;i<n;i++){
		if(a[i]<0){printf("No");return 0;}
		if(a[i]>b[i]){
			long long x=(a[i]-b[i]+1)/2;
			a[i]-=2*x,a[(i+1)%n]+=x;
		}
	}
	bool ok=true;
	for(int i=0;i<n;i++)ok&=(a[i]==b[i]);
	puts(ok?"Yes":"No");
}

Compilation message

remittance.cpp: In function 'int main()':
remittance.cpp:7:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |  scanf("%i",&n);
      |  ~~~~~^~~~~~~~~
remittance.cpp:8:27: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |  for(int i=0;i<n;i++)scanf("%lld%lld",&a[i],&b[i]);
      |                      ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1

0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	308 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	304 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Incorrect	1 ms	212 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #2

0 / 40.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	308 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	304 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Incorrect	1 ms	212 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #3

0 / 45.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	308 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	304 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Incorrect	1 ms	212 KB	Output isn't correct
21	Halted	0 ms	0 KB	-