Time limit exceeding in test case 3

#1

my code is working fine but time limit is exceeding in 3rd test case.please look at my code and suggest some necessary changes.

#2

Hi @akshay9009
share your code here.

#3

import java.util.*; public class Main { public static void main(String args[]) { Scanner scan=new Scanner(System.in); int n=scan.nextInt(); for(int j=1;j<=n;j++){ int a=scan.nextInt(); int b=scan.nextInt(); int count=0; for(int i=a;i<=b;i++){ if(isprime(i)){ count++; } } System.out.print(count); System.out.println(""); } } public static boolean isprime(int n){ if(n<=1){ return false; } for(int i=2;i<=Math.sqrt(n);i++){ if(n%i==0){ return false; } } return true; } }

#4

Hi @akshay9009,use seive method to find the prime numbers.

#5

Hi,
As you are not responding to the thread, I am marking your doubt as resolved for now. Re-open it if required.
Please mark your doubts as resolved in your course’s “Ask Doubt” section, when your doubt is resolved.

#6

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