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 "vector"
#include "grader.h"
#include "memory.h"
void play() {
    std::vector<int> p[25];
    int i=1, j=50, a;
    while(i<j){
        a = faceup(i) - 'A';
        p[a].push_back(i);
        a = faceup(j) - 'A';
        p[a].push_back(j);
        i++, j--;
    }
    for(i=0; i<25; i++){
        faceup(p[i][0]); faceup(p[i][1]);
    }
}
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