Submission #2868353


Source Code Expand

import java.util.*;
public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int Q = sc.nextInt();
        long[] A = new long[Q+1];
        long[] B = new long[Q+1];
        for(int i=1;i<=Q;i++){
            long num1 = sc.nextLong();
            long num2 = sc.nextLong();
            A[i] = Math.min(num1,num2);
            B[i] = Math.max(num1,num2);
        }
        for(int i=1;i<=Q;i++){
            if(A[i]==B[i]){
                System.out.println(2*(A[i]-1));
                continue;
            }
            long ans1 = (A[i]-1)*2;
            long ans2 = 0;
            if(B[i]-A[i]<2) System.out.println(ans1);
            else{
                long upper = A[i]*B[i];
                long mid = (long) Math.floor(Math.sqrt(upper));
                while(mid*mid>=upper) mid--;
                if(mid==A[i]) ans2 = 1;
                else{
                    ans2 += 2*(mid-A[i]+1)-1;
                    if(mid*(mid+1)>=upper) ans2--;

                }
                System.out.println(ans2+ans1);
            }
        }
    }
}


Submission Info

Submission Time
Task D - Worst Case
User AlbertZ
Language Java8 (OpenJDK 1.8.0)
Score 700
Code Size 1153 Byte
Status AC
Exec Time 118 ms
Memory 20948 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 700 / 700
Status
AC × 1
AC × 12
Set Name Test Cases
Sample s1.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, s1.txt
Case Name Status Exec Time Memory
01.txt AC 118 ms 19156 KB
02.txt AC 109 ms 20948 KB
03.txt AC 109 ms 19540 KB
04.txt AC 108 ms 18900 KB
05.txt AC 110 ms 17236 KB
06.txt AC 107 ms 18772 KB
07.txt AC 107 ms 19796 KB
08.txt AC 109 ms 19796 KB
09.txt AC 110 ms 19028 KB
10.txt AC 110 ms 19156 KB
11.txt AC 95 ms 19412 KB
s1.txt AC 94 ms 19796 KB