pat-bl-1042

pat-bl-1042

2017-01-21

• 用数组保存出现次数

/** * pat-bl-1042 * 2017-01-21 * C version * Author: fengLian_s */#include<stdio.h>#include<string.h>int main(){  //freopen("in.txt", "r", stdin);  char str[1002];  fgets(str, sizeof(str), stdin);  int hs[128] = {0};//用大小为26的数组也可以  for(int i = 0;i < strlen(str);i++)  {    if(str[i] <= 'Z' && str[i] >= 'A')//遇到字母就自加      hs[str[i] + 32]++;    else if(str[i] <= 'z' && str[i] >= 'a')      hs[str[i]]++;  }  int maxCnt = 0;  char maxLetter;  for(int i = 'a';i <= 'z';i++)//用char也行  {    if(maxCnt < hs[i])    {      maxCnt = hs[i];      maxLetter = i;    }  }  printf("%c %d\n", maxLetter, maxCnt);}

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