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pow x^n
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//'main' method must be in a class 'Rextester'. //Compiler version 1.8.0_111 import java.util.*; import java.lang.*; class Rextester { public static int pow(int x, int n){// x^n int result = 1; for(;n>0;n/=2, x*=x){ if(n%2 == 1){ result *= x; } } return result; } public static void main(String args[]) { int maxN = 10; for(int i=0; i<=maxN; i++){ System.out.println("2^"+i+"=" + pow(2, i)); } } }
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Compilation time: 0.63 sec, absolute running time: 0.14 sec, cpu time: 0.11 sec, memory peak: 18 Mb, absolute service time: 0,77 sec
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2^0=1 2^1=2 2^2=4 2^3=8 2^4=16 2^5=32 2^6=64 2^7=128 2^8=256 2^9=512 2^10=1024