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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. // Function prototype
  5. float f(float x, float y);
  6.  
  7. int main() {
  8.     float x, y, result;
  9.  
  10.     // รับค่าจากแป้นพิมพ์
  11.     printf("Enter x: ");
  12.     scanf("%f", &x);
  13.     printf("Enter y: ");
  14.     scanf("%f", &y);
  15.  
  16.     // คำนวณค่า f(x, y)
  17.     result = f(x, y);
  18.  
  19.     // แสดงผลลัพธ์
  20.     printf("f(%.2f, %.2f) = %.2f\n", x, y, result);
  21.  
  22.     return 0;
  23. }
  24.  
  25. // ฟังก์ชันคำนวณ f(x, y) = sqrt(x*x + y*y)
  26. float f(float x, float y) {
  27.     return sqrt(x * x + y * y);
  28. }
Success #stdin #stdout 0s 5276KB
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stdin
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Standard input is empty
stdout
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Enter x: Enter y: f(0.00, 0.00) = 0.00
https://ideone.com/5m54gN
language:
C (gcc 8.3)
created:
1 hour ago
visibility:
public

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