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C/C++ code:
#include <stdio.h>
#include <string.h>
int main(void)
{
char ch;
char str[100];
int count=0,i;
printf("ÊäÈëÒ»¸ö×Ö·û:");
scanf("%c",&ch);
printf("ÊäÈëÒ»¸ö×Ö·û´®:");
scanf("%s",str);
for(i=0;i<strlen(str);i++)
if(ch == str[i])
count++;
printf("×Ö·û³öÏֵĸöÊý:%d\n",count);
return 0;
}
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scanf("%c",&ch);
ºó¼ÓÉÏgetchar();½ÓÊջسµ×Ö·û¡£
lzÄãÌ«À×ÈËÁË¡£¡£¡£¡£¼ÓÓÍ°¡
#include <stdio.h>
#include <string.h>
#defne MAXSIZE 100
int main()
{
int i=0,num=0;
char ch,str[MAXSIZE];
//ÊäÈë×Ö·û
printf("Please input a char:");
scanf("%c",&ch);
getchar();//¹ýÂËÊäÈëµÄ»Ø³µ
//ÊäÈë×Ö·û´®
printf("Please input a string:");
gets(str);
//ÅжÏ×Ö·û³öÏֵĴÎÊý
while(i++<strlen(str))
num += (str[i]==ch?)1:0;
printf("the num is : %d\n"
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