Question

How to break out of nested for loops in C

Answer 1

#include <stdio.h>
#include <stdbool.h>

int main() {
    bool stop = false;

    for (int i = 1; i <= 30 && !stop; i++) {
        for (int j = 0; j < 5; j++) {
            if (i == 4) {
                stop = true;
                break;
            }
            printf("%d ", j);
        }
        printf("\n");
    }

    puts("After loops");
}




/*
run:

0 1 2 3 4
0 1 2 3 4
0 1 2 3 4

After loops

*/

 

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Answer 2

#include <stdio.h>

int main() {
    for (int i = 1; i <= 30; i++) {
        for (int j = 0; j < 5; j++) {
            if (i == 4) {
                goto ENDLOOP;
            }
            printf("%d ", j);
        }
        printf("\n");
    }

ENDLOOP:
    puts("\nAfter loops");
}




/*
run:

0 1 2 3 4
0 1 2 3 4
0 1 2 3 4

After loops

*/

 

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