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 |
|---|---|---|---|---|---|---|---|---|---|
| #211954 | #3815. 种树 | qinys | 40 | 3ms | 1200kb | C++ | 542b | 2024-10-13 09:05:41 | 2024-10-13 12:53:05 |
answer
#include <bits/stdc++.h>
using namespace std;
int ans=0,n,m,k;
bool vis[20][20]={};
void dfs(int x,int y,int now){
if(now==k){
ans++;
return;
}
if(x>n) return;
int xx=x,yy=y+1;
if(yy>m){
xx++;
yy=1;
}
dfs(xx,yy,now);
if(!vis[x][y]){
vis[x][y+1]=true;
vis[x+1][y]=true;
dfs(xx,yy,now+1);
vis[x][y+1]=false;
vis[x+1][y]=false;
}
}
int main(){
cin>>n>>m>>k;
dfs(1,1,0);
cout<<ans;
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: 1196kb
input:
2 2 1
output:
4
result:
ok 1 number(s): "4"
Test #2:
score: 10
Accepted
time: 0ms
memory: 1200kb
input:
2 3 2
output:
8
result:
ok 1 number(s): "8"
Test #3:
score: 10
Accepted
time: 0ms
memory: 1196kb
input:
4 4 2
output:
96
result:
ok 1 number(s): "96"
Test #4:
score: 0
Wrong Answer
time: 1ms
memory: 1196kb
input:
4 4 5
output:
494
result:
wrong answer 1st numbers differ - expected: '304', found: '494'
Test #5:
score: 0
Wrong Answer
time: 1ms
memory: 1196kb
input:
3 4 3
output:
92
result:
wrong answer 1st numbers differ - expected: '84', found: '92'
Test #6:
score: 10
Accepted
time: 0ms
memory: 1200kb
input:
3 5 2
output:
83
result:
ok 1 number(s): "83"
Test #7:
score: 0
Wrong Answer
time: 1ms
memory: 1196kb
input:
3 5 3
output:
233
result:
wrong answer 1st numbers differ - expected: '215', found: '233'
Test #8:
score: 0
Wrong Answer
time: 0ms
memory: 1200kb
input:
3 5 4
output:
376
result:
wrong answer 1st numbers differ - expected: '276', found: '376'
Test #9:
score: 0
Wrong Answer
time: 0ms
memory: 1196kb
input:
3 5 5
output:
363
result:
wrong answer 1st numbers differ - expected: '174', found: '363'
Test #10:
score: 0
Wrong Answer
time: 0ms
memory: 1200kb
input:
4 3 5
output:
28
result:
wrong answer 1st numbers differ - expected: '18', found: '28'
