fork download
copy 
  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main() {
  5.     float a, b, c, discriminant, root1, root2;
  6.  
  7.     // รับค่า a, b, และ c จากผู้ใช้
  8.     printf("Enter coefficients a, b, and c: ");
  9.     scanf("%f %f %f", &a, &b, &c);
  10.  
  11.     // คำนวณค่าของ discriminant
  12.     discriminant = b * b - 4 * a * c;
  13.  
  14.     // ตรวจสอบค่า discriminant
  15.     if (discriminant > 0) {
  16.         // มีสองรากจริงที่แตกต่างกัน
  17.         root1 = (-b + sqrt(discriminant)) / (2 * a);
  18.         root2 = (-b - sqrt(discriminant)) / (2 * a);
  19.         printf("Roots are real and different.\n");
  20.         printf("Root1 = %.2f and Root2 = %.2f\n", root1, root2);
  21.     } else if (discriminant == 0) {
  22.         // มีรากสองรากเท่ากัน
  23.         root1 = root2 = -b / (2 * a);
  24.         printf("Roots are real and same.\n");
  25.         printf("Root1 = Root2 = %.2f\n", root1);
  26.     } else {
  27.         // ไม่มีรากจริง
  28.         float realPart = -b / (2 * a);
  29.         float imaginaryPart = sqrt(-discriminant) / (2 * a);
  30.         printf("Roots are complex and different.\n");
  31.         printf("Root1 = %.2f + %.2fi and Root2 = %.2f - %.2fi\n", realPart, imaginaryPart, realPart, imaginaryPart);
  32.     }
  33.  
  34.     return 0;
  35. }
  36.  
Success #stdin #stdout 0.01s 5296KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Enter coefficients a, b, and c: Roots are real and different.
Root1 = inf and Root2 = -2620724014927307183482545578704896.00
https://ideone.com/ZQEM4j
language:
C (gcc 8.3)
created:
13 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!