Qiuly Online Judge

QiulyOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#344408	#5575. Knight's Tour Redux	zhicheng	AC ✓	8ms	3920kb	C++14	1.2kb	2024-03-04 14:58:48	2024-03-04 14:58:48

Judging History

This is the latest submission verdict.

[2024-03-04 14:58:48]
Judged

Verdict: AC
Time: 8ms
Memory: 3920kb

Show

[2024-03-04 14:58:48]
Submitted

answer

#include<bits/stdc++.h>
using namespace std;
int p;
void ans(int x,int y){
	printf("%d %d\n",x+p-1,y+p-1);
}
int main(){
	int n,q;
	scanf("%d",&n);
	if(n==1){
		printf("POSSIBLE\n1 1");
		return 0;
	}
	if(n<=4){
		printf("IMPOSSIBLE");
		return 0;
	}
	printf("POSSIBLE\n");
	if(n==5){
		p=1;
		ans(3,1);
		ans(4,4);
		ans(1,5);
		ans(2,2);
		ans(5,3);
		return 0;
	}
	q=(n%6==0?n/6:n/6-1);
	for(int i=1;i<=q;i++){
		p=(i-1)*6+1;
		ans(1,1);
		ans(2,4);
		ans(5,5);
		ans(6,2);
		ans(3,3);
		ans(4,6);
	}
	p=q*6+1;
	if(n%6==1){
		ans(1,1);
		ans(2,4);
		ans(5,5);
		ans(6,2);
		ans(3,3);
		ans(4,6);
		p=(q+1)*6+1;
		ans(1,1);
	}
	else if(n%6==2){
		ans(1,1);
		ans(2,4);
		ans(3,7);
		ans(6,8);
		ans(7,5);
		ans(8,2);
		ans(5,3);
		ans(4,6);
	}
	else if(n%6==3){
		ans(1,1);
		ans(2,4);
		ans(3,7);
		ans(6,8);
		ans(9,9);
		ans(8,6);
		ans(7,3);
		ans(4,2);
		ans(5,5);
	}
	else if(n%6==4){
		ans(1,1);
		ans(2,4);
		ans(3,7);
		ans(4,10);
		ans(7,9);
		ans(10,8);
		ans(9,5);
		ans(8,2);
		ans(5,3);
		ans(6,6);
	}
	else if(n%6==5){
		ans(1,1);
		ans(2,4);
		ans(3,7);
		ans(4,10);
		ans(7,9);
		ans(6,6);
		ans(5,3);
		ans(8,2);
		ans(9,5);
		ans(10,8);
		ans(11,11);
	}
}

Source code, Language: C++14

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 0ms

memory: 3796kb

input:

output:

POSSIBLE
1 1

result:

ok answer = 1

Test #2:

score: 0

Accepted

time: 0ms

memory: 3800kb

input:

output:

IMPOSSIBLE

result:

ok answer = 0

Test #3:

score: 0

Accepted

time: 0ms

memory: 3676kb

input:

output:

IMPOSSIBLE

result:

ok answer = 0

Test #4:

score: 0

Accepted

time: 0ms

memory: 3832kb

input:

output:

IMPOSSIBLE

result:

ok answer = 0

Test #5:

score: 0

Accepted

time: 0ms

memory: 3828kb

input:

output:

POSSIBLE
3 1
4 4
1 5
2 2
5 3

result:

ok answer = 1

Test #6:

score: 0

Accepted

time: 0ms

memory: 3828kb

input:

output:

POSSIBLE
1 1
2 4
5 5
6 2
3 3
4 6

result:

ok answer = 1

Test #7:

score: 0

Accepted

time: 0ms

memory: 3892kb

input:

output:

POSSIBLE
1 1
2 4
5 5
6 2
3 3
4 6
7 7

result:

ok answer = 1

Test #8:

score: 0

Accepted

time: 0ms

memory: 3892kb

input:

output:

result:

ok answer = 1

Test #9:

score: 0

Accepted

time: 0ms

memory: 3768kb

input:

output:

result:

ok answer = 1

Test #10:

score: 0

Accepted

time: 0ms

memory: 3824kb

input:

output:

result:

ok answer = 1

Test #11:

score: 0

Accepted

time: 0ms

memory: 3800kb

input:

output:

result:

ok answer = 1

Test #12:

score: 0

Accepted

time: 0ms

memory: 3792kb

input:

output:

result:

ok answer = 1

Test #13:

score: 0

Accepted

time: 0ms

memory: 3908kb

input:

output:

result:

ok answer = 1

Test #14:

score: 0

Accepted

time: 0ms

memory: 3920kb

input:

output:

result:

ok answer = 1

Test #15:

score: 0

Accepted

time: 0ms

memory: 3884kb

input:

output:

result:

ok answer = 1

Test #16:

score: 0

Accepted

time: 0ms

memory: 3888kb

input:

output:

result:

ok answer = 1

Test #17:

score: 0

Accepted

time: 0ms

memory: 3852kb

input:

output:

result:

ok answer = 1

Test #18:

score: 0

Accepted

time: 0ms

memory: 3800kb

input:

output:

result:

ok answer = 1

Test #19:

score: 0

Accepted

time: 0ms

memory: 3844kb

input:

output:

result:

ok answer = 1

Test #20:

score: 0

Accepted

time: 0ms

memory: 3732kb

input:

output:

result:

ok answer = 1

Test #21:

score: 0

Accepted

time: 5ms

memory: 3884kb

input:

output:

result:

ok answer = 1

Test #22:

score: 0

Accepted

time: 8ms

memory: 3744kb

input:

output:

result:

ok answer = 1

Test #23:

score: 0

Accepted

time: 8ms

memory: 3784kb

input:

output:

result:

ok answer = 1

Test #24:

score: 0

Accepted

time: 8ms

memory: 3748kb

input:

output:

result:

ok answer = 1

Test #25:

score: 0

Accepted

time: 8ms

memory: 3804kb

input:

output:

result:

ok answer = 1

Test #26:

score: 0

Accepted

time: 8ms

memory: 3844kb

input:

output:

result:

ok answer = 1

Test #27:

score: 0

Accepted

time: 8ms

memory: 3784kb

input:

output:

result:

ok answer = 1

Test #28:

score: 0

Accepted

time: 8ms

memory: 3784kb

input:

output:

result:

ok answer = 1

Test #29:

score: 0

Accepted

time: 8ms

memory: 3772kb

input:

output:

result:

ok answer = 1

Test #30:

score: 0

Accepted

time: 8ms

memory: 3912kb

input:

output:

result:

ok answer = 1

Test #31:

score: 0

Accepted

time: 8ms

memory: 3892kb

input:

output:

result:

ok answer = 1

Test #32:

score: 0

Accepted

time: 7ms

memory: 3912kb

input:

output:

result:

ok answer = 1

Test #33:

score: 0

Accepted

time: 2ms

memory: 3824kb

input:

output:

result:

ok answer = 1

Test #34:

score: 0

Accepted

time: 3ms

memory: 3864kb

input:

output:

result:

ok answer = 1

Test #35:

score: 0

Accepted

time: 3ms

memory: 3732kb

input:

output:

result:

ok answer = 1

Test #36:

score: 0

Accepted

time: 3ms

memory: 3852kb

input:

output:

result:

ok answer = 1

Test #37:

score: 0

Accepted

time: 6ms

memory: 3880kb

input:

output:

result:

ok answer = 1

Test #38:

score: 0

Accepted

time: 7ms

memory: 3736kb

input:

output:

result:

ok answer = 1

Test #39:

score: 0

Accepted

time: 1ms

memory: 3740kb

input:

output:

result:

ok answer = 1

Test #40:

score: 0

Accepted

time: 0ms

memory: 3844kb

input:

output:

result:

ok answer = 1

Test #41:

score: 0

Accepted

time: 4ms

memory: 3888kb

input:

output:

result:

ok answer = 1

Test #42:

score: 0

Accepted

time: 6ms

memory: 3888kb

input:

output:

result:

ok answer = 1

Test #43:

score: 0

Accepted

time: 7ms

memory: 3864kb

input:

output:

result:

ok answer = 1

Test #44:

score: 0

Accepted

time: 5ms

memory: 3732kb

input:

output:

result:

ok answer = 1

Test #45:

score: 0

Accepted

time: 0ms

memory: 3916kb

input:

output:

result:

ok answer = 1

Test #46:

score: 0

Accepted

time: 4ms

memory: 3848kb

input:

output:

result:

ok answer = 1

Test #47:

score: 0

Accepted

time: 2ms

memory: 3888kb

input:

output:

result:

ok answer = 1

Test #48:

score: 0

Accepted

time: 6ms

memory: 3824kb

input:

output:

result:

ok answer = 1

Test #49:

score: 0

Accepted

time: 1ms

memory: 3800kb

input:

output:

result:

ok answer = 1

Test #50:

score: 0

Accepted

time: 6ms

memory: 3748kb

input:

output:

result:

ok answer = 1

Test #51:

score: 0

Accepted

time: 5ms

memory: 3908kb

input:

output:

result:

ok answer = 1

Test #52:

score: 0

Accepted

time: 6ms

memory: 3892kb

input:

output:

result:

ok answer = 1

Test #53:

score: 0

Accepted

time: 7ms

memory: 3888kb

input:

output:

result:

ok answer = 1

Test #54:

score: 0

Accepted

time: 7ms

memory: 3876kb

input:

output:

result:

ok answer = 1

Test #55:

score: 0

Accepted

time: 0ms

memory: 3800kb

input:

output:

result:

ok answer = 1

Test #56:

score: 0

Accepted

time: 5ms

memory: 3788kb

input:

output:

result:

ok answer = 1

Test #57:

score: 0

Accepted

time: 4ms

memory: 3880kb

input:

output:

result:

ok answer = 1

Test #58:

score: 0

Accepted

time: 6ms

memory: 3800kb

input:

output:

result:

ok answer = 1

Test #59:

score: 0

Accepted

time: 2ms

memory: 3740kb

input:

output:

result:

ok answer = 1

Test #60:

score: 0

Accepted

time: 1ms

memory: 3916kb

input:

output:

result:

ok answer = 1

Test #61:

score: 0

Accepted

time: 4ms

memory: 3804kb

input:

output:

result:

ok answer = 1

Test #62:

score: 0

Accepted

time: 3ms

memory: 3908kb

input:

output:

result:

ok answer = 1

Test #63:

score: 0

Accepted

time: 4ms

memory: 3916kb

input:

output:

result:

ok answer = 1

Test #64:

score: 0

Accepted

time: 2ms

memory: 3736kb

input:

output:

result:

ok answer = 1

Test #65:

score: 0

Accepted

time: 2ms

memory: 3852kb

input:

output:

result:

ok answer = 1

Test #66:

score: 0

Accepted

time: 4ms

memory: 3920kb

input:

output:

result:

ok answer = 1

Test #67:

score: 0

Accepted

time: 2ms

memory: 3744kb

input:

output:

result:

ok answer = 1

Test #68:

score: 0

Accepted

time: 4ms

memory: 3920kb

input:

output:

result:

ok answer = 1

Test #69:

score: 0

Accepted

time: 7ms

memory: 3844kb

input:

output:

result:

ok answer = 1

Test #70:

score: 0

Accepted

time: 8ms

memory: 3908kb

input:

output:

result:

ok answer = 1

Test #71:

score: 0

Accepted

time: 1ms

memory: 3884kb

input:

output:

result:

ok answer = 1