NOI.AC
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #176988 | #4. 爬楼梯 | wanghao2008 | 100 | 2ms | 1124kb | C++ | 657b | 2023-08-01 08:27:07 | 2023-08-01 08:27:08 |
answer
#include<bits/stdc++.h>
using namespace std;
#define rep(i,a,n) for(int i=a;i<=n;i++)
typedef long long LL;
typedef pair<int,int> PII;
#define x first
#define y second
inline int read()
{
int s=0,f=1;char ch=getchar();
while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
while(ch>='0'&&ch<='9'){s=(s<<3)+(s<<1)+(ch-'0');ch=getchar();}
return s*f;
}
inline void write(int x)
{
if(x<0){putchar('-');x=-x;}
if(x>9)write(x/10);
putchar(x%10+'0');
}
inline void print(int x,char ch){write(x);putchar(ch);}
int dp[50];
int main()
{
dp[1]=1,dp[2]=2;
int x=read();
rep(i,3,x)dp[i]=dp[i-1]+dp[i-2];
write(dp[x]);
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: 0ms
memory: 1124kb
input:
36
output:
24157817
result:
ok 1 number(s): "24157817"
Test #2:
score: 10
Accepted
time: 0ms
memory: 1124kb
input:
30
output:
1346269
result:
ok 1 number(s): "1346269"
Test #3:
score: 10
Accepted
time: 0ms
memory: 1120kb
input:
29
output:
832040
result:
ok 1 number(s): "832040"
Test #4:
score: 10
Accepted
time: 0ms
memory: 1120kb
input:
21
output:
17711
result:
ok 1 number(s): "17711"
Test #5:
score: 10
Accepted
time: 0ms
memory: 1120kb
input:
16
output:
1597
result:
ok 1 number(s): "1597"
Test #6:
score: 10
Accepted
time: 0ms
memory: 1124kb
input:
12
output:
233
result:
ok 1 number(s): "233"
Test #7:
score: 10
Accepted
time: 0ms
memory: 1120kb
input:
9
output:
55
result:
ok 1 number(s): "55"
Test #8:
score: 10
Accepted
time: 2ms
memory: 1120kb
input:
5
output:
8
result:
ok 1 number(s): "8"
Test #9:
score: 10
Accepted
time: 0ms
memory: 1120kb
input:
4
output:
5
result:
ok 1 number(s): "5"
Test #10:
score: 10
Accepted
time: 0ms
memory: 1124kb
input:
1
output:
1
result:
ok 1 number(s): "1"
