text: C ++ program to find smallest power of 2 greater than or equal to n
code: #include <bits/stdc++.h> NEW_LINE using namespace std ; unsigned int nextPowerOf2 ( unsigned int n ) { unsigned int p = 1 ; if ( n && ! ( n & ( n - 1 ) ) ) return n ; while ( p < n ) p <<= 1 ; return p ; }