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 |
|---|---|---|---|---|---|---|---|---|---|
| #211990 | #3815. 种树 | yangyiming | 10 | 69ms | 1776kb | C++ | 993b | 2024-10-13 09:39:59 | 2024-10-13 12:54:23 |
answer
#include<bits/stdc++.h>
using namespace std;
int flage[20][20];
map<string , int> mp;
long long ans = 0;
int n , m , k;
void dfs(int dep , int x , int y , string s)
{
if (dep == k + 1)
{
if (mp[s] == 0)
{
ans++;
// for (int i = 1;i <= n;i++)
// {
// for (int j = 1;j <= m;j++)
// {
// cout << flage[i][j];
// }
// cout << "\n";
// }
//cout << "\n";
mp[s] = 1;
}
return ;
}
if (x > n or y > m)
{
return ;
}
if (flage[x-1][y] == 1 or flage[x][y-1] == 1 or flage[x][y+1] == 1 or flage[x+1][y] == 1 or flage[x][y] == 1)
{
flage[x][y] = 0;
string tt = s + "0";
if (m == y)dfs(dep,x+1,1,tt);
else dfs(dep,x,y+1,tt);
}
flage[x][y] = 1;
string t = s + "1";
if (m == y)dfs(dep+1,x+1,1,t);
else dfs(dep+1,x,y+1,t);
string tt = s + "0";
flage[x][y] = 0;
if (m == y)dfs(dep,x+1,1,tt);
else dfs(dep,x,y+1,tt);
}
int main()
{
cin >> n >> m >> k;
dfs(1,1,1,"");
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: 1244kb
input:
2 2 1
output:
4
result:
ok 1 number(s): "4"
Test #2:
score: 0
Wrong Answer
time: 1ms
memory: 1252kb
input:
2 3 2
output:
15
result:
wrong answer 1st numbers differ - expected: '8', found: '15'
Test #3:
score: 0
Wrong Answer
time: 0ms
memory: 1260kb
input:
4 4 2
output:
120
result:
wrong answer 1st numbers differ - expected: '96', found: '120'
Test #4:
score: 0
Wrong Answer
time: 32ms
memory: 1776kb
input:
4 4 5
output:
4368
result:
wrong answer 1st numbers differ - expected: '304', found: '4368'
Test #5:
score: 0
Wrong Answer
time: 0ms
memory: 1276kb
input:
3 4 3
output:
220
result:
wrong answer 1st numbers differ - expected: '84', found: '220'
Test #6:
score: 0
Wrong Answer
time: 0ms
memory: 1260kb
input:
3 5 2
output:
105
result:
wrong answer 1st numbers differ - expected: '83', found: '105'
Test #7:
score: 0
Wrong Answer
time: 2ms
memory: 1300kb
input:
3 5 3
output:
455
result:
wrong answer 1st numbers differ - expected: '215', found: '455'
Test #8:
score: 0
Wrong Answer
time: 6ms
memory: 1412kb
input:
3 5 4
output:
1365
result:
wrong answer 1st numbers differ - expected: '276', found: '1365'
Test #9:
score: 0
Wrong Answer
time: 24ms
memory: 1604kb
input:
3 5 5
output:
3003
result:
wrong answer 1st numbers differ - expected: '174', found: '3003'
Test #10:
score: 0
Wrong Answer
time: 4ms
memory: 1340kb
input:
4 3 5
output:
792
result:
wrong answer 1st numbers differ - expected: '18', found: '792'
