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  1.  
  2. #include<stdio.h>
  3. #include<math.h>
  4. #define pi 3.14
  5.  
  6. int main ()
  7.  
  8. {
  9.  
  10.     float a,b;
  11.     int option;
  12.     printf("select the value of a=");
  13.     scanf("%f",&a);
  14.     printf("select the value of b=");
  15.     scanf("%f",&b);
  16.     printf(" 1.Addition\n 2.Subtraction\n 3.Multiplication\n 4.Division\nChoose an option=\n");
  17.     scanf("%d",&option);
  18.     if (option==1)
  19.     {
  20.         printf("The addition is %f\n",a+b);
  21.     }
  22.     else if (option==2)
  23.     {
  24.  
  25.         printf("The subtraction is %f\n",a-b);
  26.     }
  27.     else if (option=3)
  28.     {
  29.  
  30.         printf("The multiplication is %f\n",a*b);
  31.     }
  32.     else if (option=4)
  33.     {
  34.  
  35.         printf("The division is %f\n",a/b);
  36.     }
  37.     else
  38.     {
  39.         printf("Invalid Option");
  40.     }
  41. }
  42.  
Success #stdin #stdout 0s 5276KB
comments (?)
stdin
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Standard input is empty
stdout
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select the value of a=select the value of b= 1.Addition
 2.Subtraction
 3.Multiplication
 4.Division
Choose an option=
The multiplication is -0.000000
https://ideone.com/1XBWNZ
language:
C (gcc 8.3)
created:
11 days ago
visibility:
public

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