Question

in C a program that counts up from 0 to 20, and reset to 0 after 20. needs to count by a press button

Answer 1

Code:

#include <stdio.h>
#include<conio.h>

int main()
{
    int i;
    char ch;
    
    
    for(int i=0;i<=20;i++)
    {
        printf("\ncount = %d",i);
        printf("\nPress enter to count next.\nPress x to quit. ");
        scanf("%c",&ch);
        if(ch=='x')
            break;
        if(i==20)
            i=-1;
        printf("%c",ch);
        
    }
        
        
    

    return 0;
}

Output: