C 语言实例 - 查找字符在字符串中出现的次数
C 语言教程
· 2019-02-21 09:28:34
查找字符在字符串中的起始位置(索引值从 0 开始)。
实例
#include <stdio.h>
int main()
{
char str[1000], ch;
int i, frequency = 0;
printf("输入字符串: ");
fgets(str, (sizeof str / sizeof str[0]), stdin);
printf("输入要查找的字符: ");
scanf("%c",&ch);
for(i = 0; str[i] != '\0'; ++i)
{
if(ch == str[i])
++frequency;
}
printf("字符 %c 在字符串中出现的次数为 %d", ch, frequency);
return 0;
}
输出结果为：
输入字符串: codercto 输入要查找的字符: o 字符 o 在字符串中出现的次数为 2
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