C Exercises: Print the powers of 2 table for the power 0 to 10
C Basic Declarations and Expressions: Exercise-68 with Solution
Write a C program that prints the powers of 2 table for the powers 0 to 10, both positive and negative.
Visualization of powers of two from 1 to 1024:
Sample Solution:
C Code:
#include<stdio.h>
int main() {
long int p;
int n;
double q;
// Print table header
printf("\n=======================================");
printf("\n n 2 to power n 2 to power -n");
printf("\n=======================================");
p = 1;
// Generate table
for (n = 0; n < 11; ++n) {
if (n == 0)
p = 1;
else
p = p * 2;
q = 1.0 / (double) p;
printf("\n%2d %8d %20.12lf", n, p, q);
}
// Print table footer
printf("\n======================================");
return 0;
}
Sample Output:
======================================= n 2 to power n 2 to power -n ======================================= 0 1 1.000000000000 1 2 0.500000000000 2 4 0.250000000000 3 8 0.125000000000 4 16 0.062500000000 5 32 0.031250000000 6 64 0.015625000000 7 128 0.007812500000 8 256 0.003906250000 9 512 0.001953125000 10 1024 0.000976562500 ======================================
Flowchart:
C programming Code Editor:
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