Submission #1067950

#	Time	Username	Problem	Language	Result	Execution time	Memory
1067950		Gromp15	Rectangles (IOI19_rect)	C++17	Compilation error	0 ms	0 KiB

rect

#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC target("avx2")
#include "rect.h"
#define ll long long
#define ar array
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
using namespace std;
template<typename T> bool ckmin(T &a, const T &b) { return a > b ? a = b, 1 : 0; }
template<typename T> bool ckmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; }

using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define rint(l, r) uniform_int_distribution<int>(l, r)(rng)

long long count_rectangles(std::vector<std::vector<int>> a) {
	int n = sz(a), m = sz(a[0]);
	vector ok(n, vector(n, vector<int>(m)));
	for (int i = 0; i < m; i++) {
		for (int j = 1; j < n-1; j++) {
			int mx = 0;
			for (int k = j; k < n-1; k++) {
				ckmax(mx, a[k][i]);
				ok[j][k][i] = (mx >= min(a[j-1][i], a[k+1][i])) + (i ? ok[j][k][i-1] : 0);
			}
		}
	}
	vector ok2(m, vector(m, vector<int>(n)));
	for (int i = 0; i < n; i++) {
		for (int j = 1; j < m-1; j++) {
			int mx = 0;
			for (int k = j; k < m-1; k++) {
				ckmax(mx, a[i][k]);
				ok2[j][k][i] = (mx >= min(a[i][j-1], a[i][k+1])) + (i ? ok2[j][k][i-1] : 0);
			}
		}
	}
	long long ans = 0;
	for (int i = 1; i < n-1; i++) for (int j = i; j < n-1; j++) {
		for (int k = 1; k < m-1; k++) {
			int l = min(m-2, upper_bound(all(ok[i][j]), ok[i][j][k-1]) - ok[i][j].begin() - 1);
			if (l < k) continue;
			for (int t = k; t <= l; t++) {
				ans += !(ok[i][j][t] - ok[i][j][k-1]) && !(ok2[k][t][j] - ok2[k][t][i-1]);
			}
		}
	}
	return ans;
}

Compilation message (stderr)

rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:42:85: error: no matching function for call to 'min(int, __gnu_cxx::__normal_iterator<int*, std::vector<int> >::difference_type)'
   42 |    int l = min(m-2, upper_bound(all(ok[i][j]), ok[i][j][k-1]) - ok[i][j].begin() - 1);
      |                                                                                     ^
In file included 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 rect.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:230:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  230 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:230:5: note:   template argument deduction/substitution failed:
rect.cpp:42:85: note:   deduced conflicting types for parameter 'const _Tp' ('int' and '__gnu_cxx::__normal_iterator<int*, std::vector<int> >::difference_type' {aka 'long int'})
   42 |    int l = min(m-2, upper_bound(all(ok[i][j]), ok[i][j][k-1]) - ok[i][j].begin() - 1);
      |                                                                                     ^
In file included 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 rect.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:278:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  278 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:278:5: note:   template argument deduction/substitution failed:
rect.cpp:42:85: note:   deduced conflicting types for parameter 'const _Tp' ('int' and '__gnu_cxx::__normal_iterator<int*, std::vector<int> >::difference_type' {aka 'long int'})
   42 |    int l = min(m-2, upper_bound(all(ok[i][j]), ok[i][j][k-1]) - ok[i][j].begin() - 1);
      |                                                                                     ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from rect.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3468:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
 3468 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3468:5: note:   template argument deduction/substitution failed:
rect.cpp:42:85: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   42 |    int l = min(m-2, upper_bound(all(ok[i][j]), ok[i][j][k-1]) - ok[i][j].begin() - 1);
      |                                                                                     ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from rect.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3474:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
 3474 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3474:5: note:   template argument deduction/substitution failed:
rect.cpp:42:85: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   42 |    int l = min(m-2, upper_bound(all(ok[i][j]), ok[i][j][k-1]) - ok[i][j].begin() - 1);
      |                                                                                     ^