@[fire_wolf](/user/690669) 将 `if(n[i] > '9') b += (pow(k,cnt++)) * n[i] - 'A';`改为
`if(n[i] > '9') b += (pow(k,cnt++)) * (n[i] - 'A' + 10);`
by __zaa__ @ 2024-04-26 14:41:16
@[__zaa__](/user/716965) 还是20分，https://www.luogu.com.cn/record/157080700
by fire_wolf @ 2024-04-26 14:53:17
@[fire_wolf](/user/690669)
```
#include<bits/stdc++.h>
using namespace std;
string numbers = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
int k,m;
string n;
long long b = 0;
char a[1010];
int main(){
cin >> k >> n >> m;
int cnt = 0;
for(int i = n.size() - 1;i >= 0;i--){
if(n[i] > '9') b += (pow(k,cnt++)) * (n[i] - 'A'+10);
else b += (pow(k,cnt++)) * (n[i] - '0');
}
cnt = 1;
while(b){
a[cnt++] = numbers[b % m];
b /= m;
}
for(int i = cnt - 1;i >= 1;i--){
cout << a[i];
}
return 0;
}
```
by __zaa__ @ 2024-04-26 15:27:21
@[__zaa__](/user/716965) AC 了，已关，感谢大佬！
by fire_wolf @ 2024-04-27 09:30:24