Bubble Sort C

int main(){
    srand(time(NULL));
    float y[9999];
    int a;
    int arr;
    int b;
    int c;
    int mode;
    int d = 0;
    float e;
    for (a = 0; a < 10000; a++){
        y[a] = rand()%100+1;
        //printf("%f\n", y[a]);
    }
    for (b = 0; b < 10000; b++){
        for (c = 0; c < 9999; c++)
            if(y[c]>y[c+1]){
                arr = y[c+1];
                y[c+1] = y[c];
                y[c] = arr;
            }
    }
}