Submission #1041743

#	Time	Username	Problem	Language	Result	Execution time	Memory
1041743		kheira	Memory (IOI10_memory)	C++14	Compilation error	0 ms	0 KiB

memory

#include "grader.h"
#include "memory.h"
#include <map>
#include <vector>


using namespace std;

void play() {
    unordered_map<char, vector<int>> Cards;
    vector<pair<int, int>> matchedCards;

    for (int C = 1; C <= 50; ++C) {
        char letterCard = faceup(C);

        if (Cards.find(letterCard) != Cards.end()) {
            int previousCard = Cards[letterCard][0];
            matchedCards.push_back(make_pair(previousCard, C));

            faceup(previousCard);
            faceup(C);

           
        }
        else {
            Cards[letterCard].push_back(C);
        }
    }
}

Compilation message (stderr)

memory.cpp: In function 'void play()':
memory.cpp:10:5: error: 'unordered_map' was not declared in this scope
   10 |     unordered_map<char, vector<int>> Cards;
      |     ^~~~~~~~~~~~~
memory.cpp:5:1: note: 'std::unordered_map' is defined in header '<unordered_map>'; did you forget to '#include <unordered_map>'?
    4 | #include <vector>
  +++ |+#include <unordered_map>
    5 | 
memory.cpp:10:19: error: expected primary-expression before 'char'
   10 |     unordered_map<char, vector<int>> Cards;
      |                   ^~~~
memory.cpp:16:13: error: 'Cards' was not declared in this scope
   16 |         if (Cards.find(letterCard) != Cards.end()) {
      |             ^~~~~