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  1.     #include <math.h>
  2.     #include <stdio.h>
  3.     long long convert(int n);
  4.     int main() {
  5.         int n;
  6.         printf("Enter a decimal number: ");
  7.         scanf("%d", &n);
  8.         printf("%d in decimal = %lld in binary", n, convert(n));
  9.         return 0;
  10.     }
  11.     long long convert(int n) {
  12.         long long bin = 0;
  13.         int rem, i = 1, step = 1;
  14.         while (n != 0) {
  15.             rem = n % 2;
  16.             printf("Step %d: %d/2, Remainder = %d, Quotient = %d\n", step++, n, rem, n / 2);
  17.             n /= 2;
  18.             bin += rem * i;
  19.             i *= 10;
  20.         }
  21.         return bin;
  22.     }
Success #stdin #stdout 0s 4340KB
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stdin
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Standard input is empty
stdout
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Enter a decimal number: Step 1: 32767/2, Remainder = 1, Quotient = 16383
Step 2: 16383/2, Remainder = 1, Quotient = 8191
Step 3: 8191/2, Remainder = 1, Quotient = 4095
Step 4: 4095/2, Remainder = 1, Quotient = 2047
Step 5: 2047/2, Remainder = 1, Quotient = 1023
Step 6: 1023/2, Remainder = 1, Quotient = 511
Step 7: 511/2, Remainder = 1, Quotient = 255
Step 8: 255/2, Remainder = 1, Quotient = 127
Step 9: 127/2, Remainder = 1, Quotient = 63
Step 10: 63/2, Remainder = 1, Quotient = 31
Step 11: 31/2, Remainder = 1, Quotient = 15
Step 12: 15/2, Remainder = 1, Quotient = 7
Step 13: 7/2, Remainder = 1, Quotient = 3
Step 14: 3/2, Remainder = 1, Quotient = 1
Step 15: 1/2, Remainder = 1, Quotient = 0
32767 in decimal = 4602130887 in binary
https://ideone.com/FVVfTI
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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