Question

How to use scanf() and printf() inside a for loop in C

Answer 1

#include <stdio.h>
     
int main(void) { 
    int x;
	
	puts("Enter numbers, 42 to exit:");

	for(; scanf("%d",&x) > 0 && x != 42; printf("%d\n", x));

	return 0;
}


/*
run:

Enter numbers, 42 to exit:
5
5
7
7
9
9
200
200
12891
12891
42

*/

 

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