#include <stdio.h>
//関数のプロトタイプ宣言
//ここ↓を埋めてね1
int max(int x,int y);
//main関数
int main(void) {
int a,b,c,d;
//ここ↓を埋めてね2
a=2;
b=4;
c=6;
d=9;
printf("最大値=%d\n",max
(max
(a
, b
), max
(c
, d
)));
return 0;
}
//max関数の定義
int max(int x, int y){
//ここ↓を埋めてね3
return (x > y) ? x : y;
}
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