题解 | #计算某字符出现次数#

#include "stdio.h" #include "string.h" // #define diff int main(){ int count = 0; char str[1010] = {0}; fgets(str,sizeof(str),stdin);

// printf("%c",str[0]); char C = {0}; // printf("请输入一个字符："); scanf("%c",&C); C = tolower(C); for(int i = 0; i<strlen(str);i++){ str[i] = tolower(str[i]); if(str[i] == C) count++; } printf("%d",count);

}