Submission #1318259

#	Time	Username	Problem	Language	Result	Execution time	Memory
1318259		hayford08	Memory (IOI10_memory)	C++20	50 / 100	10 ms	412 KiB

memory

#include "grader.h"
#include "memory.h"
#include <bits/stdc++.h>
using namespace std;

void play() {
   // 2450 
   // 2 * (49 + 48 + 47 + ... + 3 + 2 + 1)
   // 2 * (49 * (49 + 1)) / 2 
   // 49 * 50 = 2450 


   // cards : 1, 2, 3, ...,  50
   // Pick 1: check cards 2, 3, 4, ..., 50
   //         call faceUp(1), faceUp(i) where i is current card 
   //         check if faceUp(1) == faceUp(i)


   // 1 -> cards: [2, 50] card was 50
   // 2 -> cards: [3, 49] card was 49
   // ...
   // 50

   // n = 50 
   // Subtask 1: cannot call faceup more than 2450

   for (int card1 = 1; card1 <= 50; card1++) {
      for (int card2 = card1 + 1; card2 <= 50; card2++) {
         faceup(card1);
         faceup(card2);
      }
   }

}

• Subtask 1: 50 / 50
• Subtask 2: 0 / 50