#include <stdio.h>
 
void swap(int *a, int *b) {
    int temp = *a;
    *a = *b;
    *b = temp;
}
 
void sort(int *x, int *y) {
    if (*x < *y) {
        swap(x, y); 
    }
}
 
int main(void) {
    int x, y;
 
    printf("x を入力してください: ");
    scanf("%d", &x);
 
    printf("y を入力してください: ");
    scanf("%d", &y);
 
    sort(&x, &y);
 
    printf("降順に並べ替えた結果: x = %d, y = %d\n", x, y);
 
    return 0;
}
 

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