bubble sort

bubble.c

#include <stdio.h>
#include <stdlib.h>

void gen_ary(int ary[], int size);
void shuffle(int ary[], int size);
void sort(int ary[], int size);

int main() {
    int i, size;
    scanf("%d", &size);

    int ary[size];
    gen_ary(ary, size);
    shuffle(ary, size);
    sort(ary, size);

    return 0;
}

void gen_ary(int ary[], int size) {
    int i;
    for (i = 1; i <= size; i++) {
        ary[i] = i;
    }
}

void shuffle(int ary[], int size) {
    int i;
    for (i = 1; i <= size + 1; i++) {
        int j = rand() % size;
        int t = ary[i];
        ary[i] = ary[j];
        ary[j] = t;
    }
}

void sort(int ary[], int size) {
    int i, j = 0, k = 0, flg = 0;
    while (!flg) {
        int rep = 0;
        j++;
        printf("Phase %d: [", j);
        for (i = 1; i <= size; i++) {
            if (ary[i] > ary[i + 1]) {
                int l = ary[i];
                ary[i] = ary[i + 1];
                ary[i + 1] = l;
                rep = 1;
                k++;
            }
            if (i != 1) {
              printf(", %d", ary[i]);
            } else {
              printf("%d", ary[i]);
            }
        }
        printf("]\n");

        if (!rep) {
            flg = 1;
        }
    }
    printf("\n総比較回数: %d\n総置換回数: %d\n", j, k);
}