#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 , int );
//main関数
int main(void) {
int a,b,c,d;
//ここ↓を埋めてね2
a = 1;
b = 5;
c = 3;
d = 4;
int e = 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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