NOI.AC
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #159040 | #4. 爬楼梯 | zhuyuzhe | 100 | 59ms | 1200kb | C++ | 201b | 2022-09-02 17:06:39 | 2022-09-02 17:06:41 |
answer
#include<bits/stdc++.h>
using namespace std;
int n,ans;
void dfs(int x){
if(x>=n){
ans++;
return;
}
dfs(x+2);
dfs(x+1);
}
int main(){
cin>>n;
dfs(1);
cout<<ans;
return 0;
}
Details
小提示：点击横条可展开更详细的信息
Test #1:
score: 10
Accepted
time: 55ms
memory: 1196kb
input:
36
output:
24157817
result:
ok 1 number(s): "24157817"
Test #2:
score: 10
Accepted
time: 4ms
memory: 1200kb
input:
30
output:
1346269
result:
ok 1 number(s): "1346269"
Test #3:
score: 10
Accepted
time: 0ms
memory: 1200kb
input:
29
output:
832040
result:
ok 1 number(s): "832040"
Test #4:
score: 10
Accepted
time: 0ms
memory: 1200kb
input:
21
output:
17711
result:
ok 1 number(s): "17711"
Test #5:
score: 10
Accepted
time: 0ms
memory: 1196kb
input:
16
output:
1597
result:
ok 1 number(s): "1597"
Test #6:
score: 10
Accepted
time: 0ms
memory: 1196kb
input:
12
output:
233
result:
ok 1 number(s): "233"
Test #7:
score: 10
Accepted
time: 0ms
memory: 1196kb
input:
9
output:
55
result:
ok 1 number(s): "55"
Test #8:
score: 10
Accepted
time: 0ms
memory: 1196kb
input:
5
output:
8
result:
ok 1 number(s): "8"
Test #9:
score: 10
Accepted
time: 0ms
memory: 1200kb
input:
4
output:
5
result:
ok 1 number(s): "5"
Test #10:
score: 10
Accepted
time: 0ms
memory: 1196kb
input:
1
output:
1
result:
ok 1 number(s): "1"
