Submission #1276790

#	Time	Username	Problem	Language	Result	Execution time	Memory
1276790		sagnbaevv	Memory (IOI10_memory)	C++20	Compilation error	0 ms	0 KiB

memory

#include "grader.h"
#include "memory.h"
#include <bits/stdc++.h>
void play() {
	map <char, pair<int, int>>m;
	for (int i = 1; i <= 50; i++) {
		char c = faceup(i);
		if (m[c].first == 0) {
			m[c].second = i;
		}
		else {
			m[c].first = i;
		}
	}
	for (auto x : m) {
		faceup(x.second.first);
		faceup(x.second.second);
	}
}

Compilation message (stderr)

memory.cpp: In function 'void play()':
memory.cpp:5:20: error: 'pair' was not declared in this scope; did you mean 'std::pair'?
    5 |         map <char, pair<int, int>>m;
      |                    ^~~~
      |                    std::pair
In file included from /usr/include/c++/13/bits/stl_algobase.h:64,
                 from /usr/include/c++/13/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51,
                 from memory.cpp:3:
/usr/include/c++/13/bits/stl_pair.h:187:12: note: 'std::pair' declared here
  187 |     struct pair
      |            ^~~~
memory.cpp:5:9: error: 'map' was not declared in this scope
    5 |         map <char, pair<int, int>>m;
      |         ^~~
memory.cpp:5:9: note: suggested alternatives:
In file included from /usr/include/c++/13/map:63,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:152:
/usr/include/c++/13/bits/stl_map.h:102:11: note:   'std::map'
  102 |     class map
      |           ^~~
/usr/include/c++/13/map:80:13: note:   'std::pmr::map'
   80 |       using map
      |             ^~~
memory.cpp:5:14: error: expected primary-expression before 'char'
    5 |         map <char, pair<int, int>>m;
      |              ^~~~
memory.cpp:8:21: error: 'm' was not declared in this scope
    8 |                 if (m[c].first == 0) {
      |                     ^
memory.cpp:15:23: error: 'm' was not declared in this scope
   15 |         for (auto x : m) {
      |                       ^