#include "memory.h"
#include "grader.h"
#include <stdio.h>
#include <stdlib.h>
/*
static char card[51];
static int up[2], is_up[51], candy[25], candies, moves;
char faceup(int C){
int c0, c1;
if (C < 1 || C > 50 || is_up[C]) {
exit(92);
}
is_up[C] = 1;
up[moves%2] = C;
moves++;
if (moves%2 == 0) {
c0 = card[ up[0] ] - 'A';
c1 = card[ up[1] ] - 'A';
if (c0==c1 && !candy[c0]) {
candy[c0] = 1;
++candies;
}
is_up[ up[0] ] = is_up[ up[1] ] = 0;
}
return card[C];
}
*/
int poz[30][2];
void play()
{
for(int i=1;i<=50;++i)
{
int z=faceup(i);
z-='A';
if(poz[z][0])
poz[z][1]=i;
else
poz[z][0]=i;
}
for(int i=0;i<25;++i)
{
faceup(poz[i][0]);
faceup(poz[i][1]);
}
return;
}
/*
void playgame(){
int i;
for (i=1;i<=50;i++) {
card[i] = getchar();
}
moves = candies = 0;
play();
if (candies != 25) {
exit(91);
}
}
int main(){
playgame();
printf("OK %d\n",moves);
return 0;
}
*/
