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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#485207 | #5575. Knight's Tour Redux | UESTC_DECAYALI# | WA | 0ms | 3988kb | C++14 | 962b | 2024-07-20 15:01:00 | 2024-07-20 15:01:01 |
Judging History
answer
#include<cstdio>
#include<iostream>
#include<vector>
#include<utility>
#define RI register int
#define CI const int&
#define fi first
#define se second
using namespace std;
typedef pair <int,int> pi;
int main()
{
int n; scanf("%d",&n);
if (n==1) return puts("POSSIBLE\n1 1"),0;
if (n<6) return puts("IMPOSSIBLE"),0;
vector <pi> A[12]; int s=0;
A[6]={{1,1},{2,4},{5,5},{6,2},{3,3},{4,6}};
A[7]={{1,1},{2,4},{3,7},{6,6},{7,3},{4,2},{5,5}};
A[8]={{1,1},{2,4},{3,7},{6,8},{7,5},{8,2},{5,3},{4,6}};
A[9]={{1,1},{2,4},{3,7},{6,8},{5,5},{4,2},{7,3},{8,6},{9,9}};
A[10]={{1,1},{2,4},{3,7},{4,10},{7,9},{6,6},{5,3},{8,2},{9,5},{10,8}};
A[11]={{1,1},{2,4},{3,7},{4,10},{7,11},{8,8},{11,9},{10,6},{9,3},{6,2},{5,5}};
puts("POSSIBLE");
while (n-s>=12)
{
for (auto [x,y]:A[6]) printf("%d %d\n",s+x,s+y); s+=6;
}
for (auto [x,y]:A[n-s]) printf("%d %d\n",s+x,s+y);
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3984kb
input:
1
output:
POSSIBLE 1 1
result:
ok answer = 1
Test #2:
score: 0
Accepted
time: 0ms
memory: 3688kb
input:
2
output:
IMPOSSIBLE
result:
ok answer = 0
Test #3:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
3
output:
IMPOSSIBLE
result:
ok answer = 0
Test #4:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
4
output:
IMPOSSIBLE
result:
ok answer = 0
Test #5:
score: -100
Wrong Answer
time: 0ms
memory: 3988kb
input:
5
output:
IMPOSSIBLE
result:
wrong answer jury has the better answer: jans = 1, pans = 0 (1 is Possible)