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  1. /* A program to create a Sign Up screen in 'C' programming language using basics*/
  2. #include <stdio.h>
  3. #include <math.h>
  4.  
  5. int main() {
  6.  
  7.     printf("\nSign Up to Continue (⁠｡⁠◕⁠‿⁠◕⁠｡⁠)⁠➜");
  8.  
  9.     int phone;
  10.     printf("\n\nEnter your Phone Number : ");
  11.     scanf("%d", &phone);
  12.  
  13.     int pass;
  14.     printf("[Password must be in numbers]");
  15.     printf("\nEnter the Password : ");
  16.     scanf("%d", &pass);
  17.  
  18.     int re_pass;
  19.     printf("\nRe-enter the Password :");
  20.     scanf("%d", &re_pass);
  21.  
  22.     if (phone <= 9999999) {
  23.         printf("\nThe Phone Number is Wrong !");
  24.     }
  25.  
  26.     if (pass != re_pass) {
  27.         printf("\nPassword must match");
  28.     }
  29.  
  30.     if (pass <= 999) {
  31.         printf("\nPassword must be at least with 4 digits");
  32.     }
  33.  
  34.     if (pass == re_pass && pass > 999 && phone > 9999999 && pass != 1111 && pass != 1234 && pass != 9876 && pass != 9999) {
  35.         printf("\nSuccessfully Signed Up !");
  36.         while (1) {
  37.             //data
  38.             double num;
  39.             printf("\n\nEnter a number to calculate square root = ");
  40.             scanf("%lf", &num);
  41.  
  42.             double square_root_of_num = sqrt(num);
  43.             printf("Square root of √%.2lf is = %.2lf", num, square_root_of_num);
  44.         }
  45.     }
  46.  
  47.     if (pass == 1111 || pass == 1234 || pass == 9876 || pass == 9999) {
  48.         printf("\nChose a stronger Password");
  49.     }
  50.  
  51.     return 0;
  52. }
  53.  
Success #stdin #stdout 0.01s 5420KB
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stdin
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Standard input is empty
stdout
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Sign Up to Continue (⁠｡⁠◕⁠‿⁠◕⁠｡⁠)⁠➜

Enter your Phone Number : [Password must be in numbers]
Enter the Password : 
Re-enter the Password :
The Phone Number is Wrong !
Password must match
https://ideone.com/2HBZOr
language:
C99 (gcc 8.3)
created:
331 days ago
visibility:
public

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