#include<stdio.h> int main(void) { int count,i; char str[80];
printf("Enter a string:"); i=0; while((str[i]=getchar())!=' ') i++; str[i]=' ';
count=0; for(i=0;str[i]!=' ';i++) if(str[i]<='9'&&str[i]>='0') count++; printf("count=%d
",count); return 0; }