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  1. #include <stdio.h>
  2. //関数のプロトタイプ宣言
  3. //ここ↓を埋めてね１
  4. int max(int x, int y);
  5. //main関数
  6. int main(void) {
  7.     int a,b,c,d;
  8. //ここ↓を埋めてね２
  9. 	scanf("%d,%d,%d,%d",&a,&b,&c,&d);
  10. 	int m;
  11. 	m=max(max(a,b),max(c,d));
  12. 	printf("最大値は%d",m);
  13. 	return 0;	
  14. }
  15.  
  16. //max関数の定義
  17. int max(int x, int y){
  18. //ここ↓を埋めてね３
  19. 	int m;
  20. 	m=x;
  21. 	if (m<y){
  22. 		m=y;
  23. 	}
  24. 	return m;
  25. }
  26.  
  27.  
  28.  
  29.  
Success #stdin #stdout 0.01s 5320KB
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1,5,3,4
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最大値は5
https://ideone.com/luWbFN
2026/9/24 2
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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