如何定义一个名叫count的整数
如何定义一个名叫count的整数
nclude "stdio.h" int countdigit(int a, int b) { int count=0; do { if(b==a%10) count++; } while(a/10); return count; } void main() { int a,b=2; printf("Enter an integer: "); scanf("%d",&a); printf("\nNumber of digit 2: %d\n",countdigit(a,b)); }