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  1. #include<stdio.h>
  2. #include<math.h>
  3. int main(){
  4.     int a,b,c;
  5.     scanf("%d %d %d", &a, &b , &c);
  6.     if (a==0){
  7.         if (b==0){
  8.             if (c==0){
  9.                 printf("VO SO NGHIEM");}
  10.             else {
  11.                 printf("VO NGHIEM");}
  12.         }
  13.         else {
  14.             printf("%.2f\n", -(float)c/b);}
  15.             }
  16.     else {
  17.         float denta;
  18.         denta= b*b - 4*a*c;
  19.         if (denta < 0) {
  20.             printf("VO NGHIEM");}
  21.         else if ( denta == 0){
  22.             printf("%.2f\n", - (float) b/(2*a));}
  23.         else {
  24.             float x1, x2;
  25.             x1 = ( -b + sqrt(denta)) / (2 * a);
  26.             x2 = ( -b - sqrt(denta)) / (2 * a);
  27.             printf("%.2f %.2f\n", x1,x2);}
  28.         }
  29.     return 0;
  30. }
Success #stdin #stdout 0s 5316KB
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VO NGHIEM
https://ideone.com/UNQkuZ
language:
C (gcc 8.3)
created:
13 days ago
visibility:
public

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