NOI.AC
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| #212082 | #3815. 种树 | 13914031549 | 10 | 1ms | 1192kb | C++ | 572b | 2024-10-13 11:03:01 | 2024-10-13 12:55:54 |
answer
#include<bits/stdc++.h>
using namespace std;
int vis[30][30];
int n,m,k;
int dir[][2]={0,1,1,0,0,-1,-1,0};
long long cnt=0;
void DFS(int r,int c,int s){
if(s>=k){
cnt++;
}
else if(r==n&&c==m){
return;
}
for(int K=0;K<4;K++){
int dr=r+dir[K][0],dc=c+dir[K][1];
if(1<=dr&&dr<=n&&1<=dc&&dc<=m&&vis[dr][dc+1]!=1&&vis[dr+1][dc]!=1&&vis[dr-1][dc]!=1&&vis[dr][dc-1]!=1&&vis[dr][dc]!=1){
vis[r][c]=1;
DFS(dr,dc,s+1);
vis[r][c]=0;
}
}
}
int main()
{
scanf("%d %d %d",&n,&m,&k);
DFS(1,1,0);
printf("%lld",cnt);
return 0;
}
详细
小提示：点击横条可展开更详细的信息
Test #1:
score: 10
Accepted
time: 0ms
memory: 1188kb
input:
2 2 1
output:
4
result:
ok 1 number(s): "4"
Test #2:
score: 0
Wrong Answer
time: 1ms
memory: 1188kb
input:
2 3 2
output:
7
result:
wrong answer 1st numbers differ - expected: '8', found: '7'
Test #3:
score: 0
Wrong Answer
time: 0ms
memory: 1192kb
input:
4 4 2
output:
158
result:
wrong answer 1st numbers differ - expected: '96', found: '158'
Test #4:
score: 0
Wrong Answer
time: 0ms
memory: 1188kb
input:
4 4 5
output:
130
result:
wrong answer 1st numbers differ - expected: '304', found: '130'
Test #5:
score: 0
Wrong Answer
time: 0ms
memory: 1192kb
input:
3 4 3
output:
50
result:
wrong answer 1st numbers differ - expected: '84', found: '50'
Test #6:
score: 0
Wrong Answer
time: 0ms
memory: 1188kb
input:
3 5 2
output:
123
result:
wrong answer 1st numbers differ - expected: '83', found: '123'
Test #7:
score: 0
Wrong Answer
time: 0ms
memory: 1188kb
input:
3 5 3
output:
119
result:
wrong answer 1st numbers differ - expected: '215', found: '119'
Test #8:
score: 0
Wrong Answer
time: 0ms
memory: 1188kb
input:
3 5 4
output:
112
result:
wrong answer 1st numbers differ - expected: '276', found: '112'
Test #9:
score: 0
Wrong Answer
time: 0ms
memory: 1188kb
input:
3 5 5
output:
99
result:
wrong answer 1st numbers differ - expected: '174', found: '99'
Test #10:
score: 0
Wrong Answer
time: 0ms
memory: 1188kb
input:
4 3 5
output:
31
result:
wrong answer 1st numbers differ - expected: '18', found: '31'
