题解——Codeforces Round #508 (Div. 2) T1 (模拟)

依照题意暴力模拟即可A掉

#include <cstdio>
#include <algorithm>
#include <cstring>
#include <set>
using namespace std;
char s[];
int n,k,barrel[];
int main(){
  scanf("%d %d",&n,&k);
  scanf("%s",s+);
  for(int i=;i<=n;i++)
     barrel[s[i]-'A'+]++;
  int ans=0x3f3f3f3f;
  for(int i=;i<=k;i++)
    ans=min(ans,barrel[i]);
  printf("%d\n",ans*k);
  return ;
}