sd2, C++ (gcc) - rextester

sd2

#include<bits/stdc++.h>
using namespace std;
/*
#include<boost/multiprecision/cpp_int.hpp>
namespace mp=boost::multiprecision;
using namespace mp;*/
//cpp_int

#define mem(A) memset(A,0,sizeof(A))
#define loop(i,a,n) for(long long i=a;i<n;i++)
#define pb push_back
#define mkp make_pair
#define prq priority_queue
#define fir first
#define sec second
#define all(A) A.begin(),A.end()
#define mod 1000000007
#define take(t) ll t;cin>>t;while(t--)
#define en "\n"

typedef long long ll;
typedef pair<ll,ll> pll;

int main()
{   //freopen("input.txt", "r", stdin);
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
    map<pair<pll,pll>,ll> M;
    loop(i,0,4)
    {
        loop(j,0,4)
        {
            loop(k,0,4)
            {
                loop(l,0,4)
                {ll A[4]={1,2,3,4};
                swap(A[0],A[i]);
                swap(A[1],A[j]);
                swap(A[2],A[k]);
                swap(A[3],A[l]);
                M[mkp(mkp(A[0],A[1]),mkp(A[2],A[3]))]++;
                //\cout<<A[0]<<" "<<A[1]<<" "<<A[2]<<" "<<i<<j<<k<<en;
                }
            }
        }
    }
    for(auto it:M)
    cout<<it.fir.fir.fir<<it.fir.fir.sec<<it.fir.sec.fir<<it.fir.sec.sec<<" "<<it.sec<<endl;

}


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