暴力应该无法AC，要递推
by dingxingdi @ 2017-12-22 17:45:42
```cpp
// luogu-judger-enable-o2
#include <cstdio>
int n,i,a[11];
int main(){
scanf("%d",&n);
for(i=1;i<=n;++i){
int k=i;
while(k){
a[k%10]++;
k/=10;
}
}
for(i=0;i<=9;++i)
printf("%d\n",a[i]);
return 0;
}
```
@[dingxingdi](/space/show?uid=65190) 暴力AC了，https://www.luogu.org/recordnew/show/9258061
by 郑yz @ 2018-08-03 20:39:09
@[郑yz](/space/show?uid=56665) 开O2除外
by dingxingdi @ 2018-08-03 20:56:15
[我这个开了O2也TLE！](https://www.luogu.com.cn/record/78966708)
by EasonX @ 2022-07-10 13:31:05