int printf(char* format, ...);
int scanf(char* format, ...);

/* **dummy** loop test generated by copilot */

void test_continue() {
    int i;

    // For loop
    printf("For loop:\n");
    for (i = 0; i < 5; i++) {
        if (i == 3) {
            continue; // Skip the rest of the loop when i is 3
        }
        printf("%d ", i);
    }
    printf("\n");

    // While loop
    printf("While loop:\n");
    i = 0;
    while (i < 5) {
        if (i == 3) {
            i++;
            continue; // Skip the rest of the loop when i is 3
        }
        printf("%d ", i);
        i++;
    }
    printf("\n");

    // Do-while loop
    printf("Do-while loop:\n");
    i = 0;
    do {
        if (i == 3) {
            i++;
            continue; // Skip the rest of the loop when i is 3
        }
        printf("%d ", i);
        i++;
    } while (i < 5);
    printf("\n");
}

void test_break() {
    int i;

    // For loop
    printf("For loop:\n");
    for (i = 0; i < 5; i++) {
        if (i == 3) {
            break; // Exit the loop when i is 3
        }
        printf("%d ", i);
    }
    printf("\n");

    // While loop
    printf("While loop:\n");
    i = 0;
    while (i < 5) {
        if (i == 3) {
            break; // Exit the loop when i is 3
        }
        printf("%d ", i);
        i++;
    }
    printf("\n");

    // Do-while loop
    printf("Do-while loop:\n");
    i = 0;
    do {
        if (i == 3) {
            break; // Exit the loop when i is 3
        }
        printf("%d ", i);
        i++;
    } while (i < 5);
    printf("\n");
}

void test_nested() {
    int i; 
    int j;

    // For loop
    printf("For loop:\n");
    for (i = 0; i < 5; i++) {
        for (j = 0; j < 5; j++) {
            if (i >= 2 && j >= 2 && i + j >= 5) {
                return; // Exit nested loop via return
            }
            printf("(%d, %d) ", i, j);
        }
        printf("\n");
    }
}

int main() {
    test_continue();
    test_break();
    test_nested();
}