Submission #956079

#	Time	Username	Problem	Language	Result	Execution time	Memory
956079		CaiWinDao	Memory (IOI10_memory)	C++17	Compilation error	0 ms	0 KiB

memory

#include <map>
#include <vector>

using namespace std;

void play() {
    map<char, vector<int> > pos;
    for (int i = 1; i <= 50; i++) {
        char card = faceup(i);
        pos[card].push_back(i);
    }
    for (auto& p: pos) {
        vector<int> v = p.second;
        faceup(v[0]);
        faceup(v[1]);
    }
}

Compilation message (stderr)

memory.cpp: In function 'void play()':
memory.cpp:9:21: error: 'faceup' was not declared in this scope
    9 |         char card = faceup(i);
      |                     ^~~~~~
memory.cpp:14:9: error: 'faceup' was not declared in this scope
   14 |         faceup(v[0]);
      |         ^~~~~~