【十二题解】 | #删除字符串中出现次数最少的字符#

#include<stdio.h>

int f_min(int a, int b){

return a>b?b:a;

}

void prinf_ch(char*data, int start, int end){

int hash[26]={0};
int i, j;
int min=100;
for(i=start; i<=end; i++){
    hash[data[i]-'a']++;
}
for(i=0; i<26; i++){
    if(hash[i] != 0){
        min=f_min(min, hash[i]);
    }
}
for(i=start; i<=end; i++){
    if(hash[data[i]-'a'] != min){
        printf("%c", data[i]);
    }
}
printf("\n");

}

int main(){

char charecter[1000]={0};
char*loc=charecter;
while(~scanf("%c", loc))loc++;
int lenth = (loc-charecter)/sizeof(char);
int i, j;
for(i=0; i<lenth; i=j+1){
    for(j=i+1; charecter[j]!='\n'; j++){
        if(charecter[j+1]=='\n'){//[i, j]就是字符串范围
            prinf_ch(charecter, i, j);
        }
    }
}
return 0;

}