Question

How to use for loop with multiple variables of different types in C

Answer 1

#include <stdio.h>

int main(void) {
    for (struct { int n; char ch; } s = { 0, 'a' } ; s.n < 10 ; s.n++, s.ch++) {
        printf("%d %c\n", s.n, s.ch);
    }

    return 0;
}




/*
run:

0 a
1 b
2 c
3 d
4 e
5 f
6 g
7 h
8 i
9 j

*/

 

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Answer 2

#include <stdio.h>

int main(void) {
    {
        float f; 
        int i;
        for (i = 0, f = 0.0; i < 5; i++, f++)
            printf("%d - %f\n", i, f);
    }
    
    return 0;
}




/*
run:

0 - 0.000000
1 - 1.000000
2 - 2.000000
3 - 3.000000
4 - 4.000000

*/

 

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