fork(1) download
copy 
  1. #include<stdio.h>
  2. #include <bits/stdc++.h>
  3. int main(){
  4.     long long t,a,b;
  5.     scanf("%lld",&t);
  6.     assert(1<=t and t<=1000000);
  7.     while(t--){
  8.         scanf("%lld %lld",&a,&b);
  9.         assert(1<=a and a<=1000000000000000000);
  10.         assert(1<=b and b<=1000000000000000000);
  11.         assert(a<=b);
  12.         long long total=b-a+1;
  13.         if(a%2==0){
  14.             long long odd=total/2;
  15.             if(odd%2==0)
  16.                 printf("Even\n");
  17.             else
  18.                 printf("Odd\n");
  19.         }
  20.         else{
  21.             long long even=total/2;
  22.             long long odd=total-even;
  23.             if(odd%2==0)
  24.                 printf("Even\n");
  25.             else
  26.                 printf("Odd\n");
  27.         }
  28.     }
  29. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
copy 
1
1 3
stdout
copy 
Even
https://ideone.com/GUjqC5
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!