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  1. #include <stdio.h>
  2.  
  3. // 関数のプロトタイプ宣言
  4. int max(int x, int y);
  5.  
  6. int main(void) {
  7.     int a, b, c, d;
  8.  
  9.     scanf("%d %d %d %d", &a, &b, &c, &d);
  10.  
  11.     printf("一番大きな数は: %d\n",  max(max(a, b), max(c, d)));
  12.  
  13.     return 0;
  14. }
  15.  
  16. int max(int x, int y) {
  17.   return (x > y) ? x:y;
  18. }
Success #stdin #stdout 0s 5280KB
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stdin
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1 4 7 3
stdout
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一番大きな数は: 7
https://ideone.com/oCODDZ
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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