This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "grader.h"
#include "memory.h"
#include <bits/stdc++.h>
using namespace std;
void play() {
    char a, b;
    map<char,vector<int>> c;
    for (int i = 1; i <= 50; i += 2){
        a = faceup(i), b = faceup(i + 1);
        c[a].push_back(i);
        c[b].push_back(i + 1);
    }
    for (auto [k, v] : c){
        a = faceup(v[0]);
        b = faceup(v[1]);
    }
}
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