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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3. #include<time.h>
  4. int count=0;
  5. int  BinDigit(int n){
  6.     count++;
  7.     if(n==1){
  8.         return 1;
  9.     }
  10.     else{
  11.         return (BinDigit(n/2)+1);
  12.     }
  13. }
  14. void tester(){
  15.     int n,ans;
  16.     printf("Enter a number to find number of digits required to represent in Binary form\n");
  17.     scanf("%d",&n);
  18.     ans=BinDigit(n);
  19.     printf("Number of digits required to represent  %d is %d\n",n,ans);
  20. }
  21. void plotter(){
  22.     srand(time(NULL));
  23.     int n,r;  
  24.     FILE *f1;
  25.     f1=fopen("BinDigit.txt","w");
  26.     n=2;
  27.     while(n<=1500){
  28.         count=0;
  29.         r=BinDigit(n);
  30.         fprintf(f1,"%d\t%d\n",n,count);
  31.         n=n*2;
  32.     }
  33.     fclose(f1);
  34. }
  35. void main(){
  36.     int ch;
  37.     printf("Enter your choice:\n1.Tester\n2.Plotter\n");
  38.     scanf("%d",&ch);
  39.     switch(ch){
  40.         case 1:
  41.             tester();
  42.             break;
  43.         case 2:
  44.              plotter();
  45.              break;
  46.         default:
  47.         printf("Invalid choice!!\n");
  48.     }
  49. }
Success #stdin #stdout 0s 5316KB
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stdin
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1
stdout
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Enter your choice:
1.Tester
2.Plotter
Enter a number to find number of digits required to represent in Binary form
Number of digits required to represent  5225 is 13
https://ideone.com/ZAG2AH
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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