数组开太大了
by zltqwq @ 2021-01-31 17:16:19
```c
#include<bits/stdc++.h>
using namespace std;
int a,n,m,x,f[21],s[21];
int main(){
cin>>a>>n>>m>>x;f[1]=f[2]=s[1]=a;
for(int i=0;i<=m;i++,s[2]=i){
for(int j=3;j<n;j++){s[j]=s[j-1]+s[j-2];f[j]=f[j-1]+s[j]-s[j-1];
}
if(f[n-1]==m){cout<<f[x];return 0;
}
}
}
```
改成这样
by yekgg @ 2021-02-25 16:38:29
希望对你有帮助，毕竟你似乎没有通过
by yekgg @ 2021-02-25 16:39:18
@[yekgg](/user/410287) 才看到，十分感谢
by yezihao1 @ 2022-02-09 20:06:58