Question

How to declare several variables in a for loop with C

Answer 1

#include <stdio.h>

int main(void) {
    for (int i = 0, j = 0, k = -9; i < 5; i++, j+=3, k--) {
        printf("%d %d %d\n", i, j, k);
    }
}




/*
run:
 
0 0 -9
1 3 -10
2 6 -11
3 9 -12
4 12 -13
 
*/

 

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