Submission #685737

#	Time	Username	Problem	Language	Result	Execution time	Memory
685737		grossly_overconfident	Fish (IOI08_fish)	C++17	Compilation error	0 ms	0 KiB

fish

#include <bits/stdc++.h>
using namespace std;
#define endl "\n"

int main() {
	int f, k, m;
	vector<pair<int, int>> fish;
	cin >> f >> k >> m;
	for (int i = 0; i < f; ++i) {
		int a, b;
		cin >> a >> b;
		fish.push_back(make_pair(a, b));
	}
	sort(fish.begin(), fish.end());
	set<multiset<int>> s;
	set<pair<int, multiset<int>>> take;
	s.insert({});
	take.insert(make_pair(0, {}));
	long long count = 0;
	for (auto i : fish) {
		for (auto k = take.begin(); k != take.end(); ++k) {
			auto j = *k;
			if (i.first >= 2 * j.first) {
				j.second.insert(i.second);
				if (s.count(j.second) == 0) {
					s.insert(j.second);
					take.insert(make_pair(i.first, j.second));
					++count;
					count %= m;
				}
			}
		}
	}
	
	cout << (count % m);



	return 0;
}

Compilation message (stderr)

fish.cpp: In function 'int main()':
fish.cpp:19:29: error: no matching function for call to 'make_pair(int, <brace-enclosed initializer list>)'
   19 |  take.insert(make_pair(0, {}));
      |                             ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from fish.cpp:2:
/usr/include/c++/10/bits/stl_pair.h:567:5: note: candidate: 'template<class _T1, class _T2> constexpr std::pair<typename std::__strip_reference_wrapper<typename std::decay<_Tp>::type>::__type, typename std::__strip_reference_wrapper<typename std::decay<_Tp2>::type>::__type> std::make_pair(_T1&&, _T2&&)'
  567 |     make_pair(_T1&& __x, _T2&& __y)
      |     ^~~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:567:5: note:   template argument deduction/substitution failed:
fish.cpp:19:29: note:   couldn't deduce template parameter '_T2'
   19 |  take.insert(make_pair(0, {}));
      |                             ^