#include <stdio.h>
 
void func(int n) {
    if (n == 0) {
        printf("n が 0 なので再帰を停止\n");
        return;
    }
    printf("n の値：%d，再帰呼び出し前の処理\n", n);
    func(n - 1);
    printf("n の値：%d，再帰呼び出し間の処理\n", n);
    func(n - 1);
    printf("n の値：%d，再帰呼び出し後の処理\n", n);
    return;
}
 
int main(void) {
    int n;
 
    scanf("%d", &n);
    func(n);
    return 0;
}

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