数组下标从0开始
by Katz @ 2022-11-29 17:47:49
而且不建议这样定义数组
最好定义全局变量
by Katz @ 2022-11-29 17:48:16
```
#include <bits/stdc++.h>
using namespace std;
int n,s=0;
int main (){
scanf("%d",&n);
int a[n+1];
for(int i=1;i<=n;i++){
scanf("%d",&a[i]);
}
for(int i=1;i<=n;i++)
for(int j=1;j<=i;j++)
if(a[j]>a[i])
s++;
printf("%d",s);
return 0;
}
```
by 142136a @ 2022-11-29 18:46:07
懂了，谢谢
by hlb9527 @ 2022-11-30 14:42:19