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test6
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本题要求实现一个函数,可统计任一整数中某个位数出现的次数。例如-21252中,2出现了3次,则该函数应该返回3。
函数接口定义:
int Count_Digit ( const int N, const int D );
其中N和D都是用户传入的参数。N的值不超过int的范围;D是[0, 9]区间内的个位数。函数须返回N中D出现的次数。
裁判测试程序样例:
#include <stdio.h>
int Count_Digit ( const int N, const int D );
int main()
{
int N, D;
scanf("%d %d", &N, &D);
printf("%d\n", Count_Digit(N, D));
return 0;
}
/* 你的代码将被嵌在这里 */
输入样例:
-21252 2
输出样例:
3
___________________________________________________________________________________________________________________________________________
#include <stdio.h>
int Count_Digit ( const int N, const int D );
int main()
{
int N, D;
scanf("%d %d", &N, &D);
printf("%d\n", Count_Digit(N, D));
return 0;
}
int Count_Digit ( const int N, const int D ){
int count=0,temp,x;
x=N;
if(x<0)
x=-x;
while (x>0) {
temp=x%10;
if(temp==D)
count++;
x=x/10;
}
return count;
}