Submission #590740

#	Time	Username	Problem	Language	Result	Execution time	Memory
590740		l_reho	Memory (IOI10_memory)	C++14	Compilation error	0 ms	0 KiB

memory

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

map<char, int> mp;
vector<bool> open(51, false);

char faceup(int C);

void play() {
	
	int prev_open = -1;


	for(int i = 1; i <= 50; i++){
		char c = faceup(i);
		
		int idxC = mp[c];
		
		
		
		// se ne ho già trovata una di c ed è aperta, allora
		// basta cosi
		
		if(idxC && open[idxC]){
			open[idxC] = 0;
			prev_open = -1;
			continue;
		}
		
		// se ne ho già trovata una di c e non è aperta, allora
		// se ce ne sono altre aperte, allora devo riaprire la corrente e quella precedentemente trovata
	
		if(idxC && !open[idxC]){
			if(prev_open != -1){
				open[prev_open] = 0;
				faceup(i);
				faceup(idxC);
			}else
				faceup(idxC);
				
			continue;
		}
		
		// se non ho trovato c e non ho altre aperte dietro, allora i rimane aperta
		if(!idxC && prev_open == -1){
			prev_open = i;
			open[i] = 1;
			mp[c] = i;
			
			continue;
		}
		
		// se non ho trovato c e ne ho altre aperte dietro, allora i si chiude insieme a quell'altra
		
		if(!idxC && prev_open != -1){
			open[prev_open] = 0;
			open[i] = 0;
			mp[c] = i;
			
			prev_open = -1;
		}
		
	}
}


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];
}

void playgame(){
   int i;
   for (i=1;i<=50;i++) {
      card[i] = getchar();
   }
   moves = candies = 0;
   play();
   if (candies != 25) {
	  cout<<candies<<endl;
      exit(91);
   }
}

Compilation message (stderr)

memory.cpp: In function 'char faceup(int)':
memory.cpp:70:27: error: 'is_up' was not declared in this scope
   70 |    if (C < 1 || C > 50 || is_up[C]) {
      |                           ^~~~~
memory.cpp:73:4: error: 'is_up' was not declared in this scope
   73 |    is_up[C] = 1;
      |    ^~~~~
memory.cpp:74:4: error: 'up' was not declared in this scope; did you mean 'mp'?
   74 |    up[moves%2] = C;
      |    ^~
      |    mp
memory.cpp:74:7: error: 'moves' was not declared in this scope
   74 |    up[moves%2] = C;
      |       ^~~~~
memory.cpp:77:12: error: 'card' was not declared in this scope
   77 |       c0 = card[ up[0] ] - 'A';
      |            ^~~~
memory.cpp:79:22: error: 'candy' was not declared in this scope
   79 |       if (c0==c1 && !candy[c0]) {
      |                      ^~~~~
memory.cpp:81:12: error: 'candies' was not declared in this scope
   81 |          ++candies;
      |            ^~~~~~~
memory.cpp:85:11: error: 'card' was not declared in this scope
   85 |    return card[C];
      |           ^~~~
memory.cpp: In function 'void playgame()':
memory.cpp:91:7: error: 'card' was not declared in this scope
   91 |       card[i] = getchar();
      |       ^~~~
memory.cpp:93:4: error: 'moves' was not declared in this scope
   93 |    moves = candies = 0;
      |    ^~~~~
memory.cpp:93:12: error: 'candies' was not declared in this scope
   93 |    moves = candies = 0;
      |            ^~~~~~~