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  1. #include <stdio.h>
  2.  
  3. int Hieu(int a, int b) {
  4.     return a - b;
  5. }
  6.  
  7. int main() {
  8.     int a, b;
  9.     printf("Enter a and b: ");
  10.     scanf("%d %d", &a, &b);
  11.     printf("Hieu = %d\n", Hieu(a, b));
  12.     return 0;
  13. }
Success #stdin #stdout 0s 5308KB
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stdin
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10 3
stdout
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Enter a and b: Hieu = 7
https://ideone.com/ssLq4t
language:
C (gcc 8.3)
created:
19 hours ago
visibility:
public

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