fork download
copy 
  1. //                                 **********************************************************
  2. //                                *                                                        *
  3. //                               وَأَن لَّیۡسَ لِلۡإِنسَـٰنِ إِلَّا مَا سَعَىٰ وَأَنَّ سَعۡیَهُۥ سَوۡفَ یُرَىٰ            *
  4. //                              *                                                        *
  5. //                             **********************************************************
  6. #include<bits/stdc++.h>
  7. #include <map>
  8. #define FAST ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
  9. #define ll long long
  10. #define lli long long int
  11. #define Y cout<<"YES"<<"\n";
  12. #define N cout<<"NO"<<"\n";
  13. //#define ll long long
  14. #define en "\n"
  15.  
  16. const ll sz=1e7+5;
  17. using namespace std;
  18. int f_arr[sz];
  19. int f_arr2[sz];
  20. vector<bool>not_prime(sz,0);
  21. vector<int >v;
  22. void sieve(){
  23.     not_prime[0]=not_prime[1]=1;
  24.     for(ll i=2;i<=sz/i;i++)
  25.     {
  26.         if(!not_prime[i])
  27.         {
  28.             for(ll j=i*i;j<sz;j+=i){
  29.                 not_prime[j]=1;
  30.             }
  31.         }
  32.     }
  33.  
  34. }
  35. void  take_arr(ll arr[],ll n)
  36. {
  37.     for(ll  i=0;i<n;i++)
  38.         cin>>arr[i];
  39. }
  40. int arr[][4]={0};
  41. void solution() {
  42.     ll n, x;
  43.     cin >> n >> x;
  44.     int cont=0;
  45.     int mx=max(n,x);
  46.     int mn=min(n,x);
  47.     if(x==0||n==0)
  48.         cout<<0<<en;
  49.     else {
  50.     while (true){
  51.         mx=max(mx,mn);
  52.         mn=min(mx,mn);
  53.         cout<<mx<<" "<<mn<<en;
  54.         if (mx<=1)
  55.             break;
  56.         else if (mn==0)
  57.             break;
  58.         mx-=2;
  59.         mn-=1;
  60.         cont++;
  61.  
  62.     }
  63.     cout<<cont<<en;}
  64. }
  65.  
  66.  
  67. int32_t main() {
  68.     FAST
  69.   int test_case=1;cin>>test_case;
  70.     while(test_case--){
  71.         solution();
  72.     }
  73.  
  74. //----------->>
  75.     return 0;
  76. }
Success #stdin #stdout 0.01s 5548KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
1 1
0
https://ideone.com/qfxDhw
language:
C++ (gcc 8.3)
created:
1 year 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!