Submission #1264745

#	Time	Username	Problem	Language	Result	Execution time	Memory
1264745		comgaTramAnh	Memory (IOI10_memory)	C++20	100 / 100	0 ms	392 KiB

memory

#include "grader.h"
#include "memory.h"
int posFirst[25], posSecond[25]; 
void play() {
  for (int ch = 0; ch < 25; ch++) {
    posFirst[ch] = -1; 
    posSecond[ch] = -1; 
  }
  for (int i = 1; i <= 50; i += 2) {
    char firstCard = faceup(i);
    char secondCard = faceup(i + 1); 
    if (posFirst[firstCard - 'A'] == -1) {
      posFirst[firstCard - 'A'] = i; 
    }
    else {
      posSecond[firstCard - 'A'] = i; 
    }
    if (posFirst[secondCard - 'A'] == -1) {
      posFirst[secondCard - 'A'] = i + 1; 
    }
    else {
      posSecond[secondCard - 'A'] = i + 1; 
    }
  }
  for (int ch = 0; ch < 25; ch++) {
    faceup(posFirst[ch]);
    faceup(posSecond[ch]); 
  }
}

• Subtask 1: 50 / 50
• Subtask 2: 50 / 50