mirror of https://github.com/TheAlgorithms/C
55 lines
1.1 KiB
C
55 lines
1.1 KiB
C
// Binary number to octal number conversion
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#include <stdio.h>
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// Function that returns the last three digits
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int three_digits(int n)
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{
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int r, d = 0, p = 1;
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for (int i = 0; i < 3; i++)
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{
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r = n % 10;
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d += r * p;
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p *= 10;
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n /= 10;
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}
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return d;
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}
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int main(void)
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{
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int binary_num, d = 0, base = 1, remainder, td, res = 0, ord = 1;
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printf("Enter the binary no: ");
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scanf("%d", &binary_num);
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while (binary_num > 0)
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{
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if (binary_num >
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111) // Checking if binary number is greater than three digits
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td = three_digits(binary_num);
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else
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td = binary_num;
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binary_num /= 1000;
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d = 0, base = 1;
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// Converting the last three digits to decimal
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while (td > 0)
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{
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remainder = td % 10;
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td /= 10;
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d += (base * remainder);
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base *= 2;
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}
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res += d * ord; // Calculating the octal value
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ord *= 10;
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}
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printf("\nOctal equivalent is: %d", res);
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return 0;
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}
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