版权声明:本文为博主原创文章,转载请注明出处。 https://blog.csdn.net/miclover_feng/article/details/81073223
//#include <iostream>
//#include<string>
#include<bits/stdc++.h>
using namespace std;
int main()
{
string str = "acacabcbdbfbdbd";
int count[256] = {0};
int k=3;
int index = 0;
for(int i=0;i<str.size();i++)
count[str[i]]++;
for(int i=0;i<k;i++)
{
int tmp = 0;
for(int j=0;j<str.size();j++)
{
if(tmp<count[str[j]])
{
tmp = count[str[j]];
index = j;
}
}
count[str[index]] = 0;
}
cout<<str[index]<<endl;
return 0;
}