NOI.AC

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#207835	#3755. 六	kevin777	100	14ms	1200kb	C++	298b	2024-08-01 08:43:21	2024-08-01 12:01:56

answer

#include<bits/stdc++.h>
#pragma GCC optimize(2)
using namespace std;
int main(){
	int n;
	long long cnt = 0;
	cin>>n;
	if(n % 5==0||n%4==0){
		cout<<-1;
		return 0;
	}
	int num = 6;
	while(num%n != 0){
		cnt++;
		num%=n;
		num*=10;
		num+=6;
	}
	cnt++;
	cout<<cnt;
	return 0;
}

Source code, Language: C++

Details

小提示：点击横条可展开更详细的信息

Test #1:

score: 10

Accepted

time: 0ms

memory: 1196kb

input:

output:

result:

ok single line: '96'

Test #2:

score: 10

Accepted

time: 0ms

memory: 1200kb

input:

output:

-1

result:

ok single line: '-1'

Test #3:

score: 10

Accepted

time: 0ms

memory: 1196kb

input:

output:

result:

ok single line: '438'

Test #4:

score: 10

Accepted

time: 0ms

memory: 1196kb

input:

output:

result:

ok single line: '1146'

Test #5:

score: 10

Accepted

time: 0ms

memory: 1196kb

input:

output:

result:

ok single line: '2444'

Test #6:

score: 10

Accepted

time: 0ms

memory: 1192kb

input:

output:

result:

ok single line: '18'

Test #7:

score: 10

Accepted

time: 0ms

memory: 1196kb

input:

output:

result:

ok single line: '81864'

Test #8:

score: 10

Accepted

time: 11ms

memory: 1192kb

input:

output:

result:

ok single line: '981220'

Test #9:

score: 10

Accepted

time: 0ms

memory: 1196kb

input:

output:

result:

ok single line: '81430'

Test #10:

score: 10

Accepted

time: 3ms

memory: 1196kb

input:

output:

result:

ok single line: '198764'

Extra Test:

score: 0

Extra Test Passed