#include <stdio.h>
int max(int x, int y);
int main(void) {
int a = 1, b = 5, c = 3, d = 4;
printf("最大値は%dです\n", max
(max
(a
, b
), max
(c
, d
)));
return 0;
}
int max(int x, int y) {
return (x > y) ? x : y;
}
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