Submission #648565

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
648565	2022-10-07 03:20:40	406	Hamburg Steak (JOI20_hamburg)	C++17	100 / 100	2116 ms	422004 KiB

hamburg

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#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 50;
const int M = 2 * N + 5;
int l[N], r[N], u[N], d[N], n, k;
bitset<N> used, full;
vector<pair<int, int>> points;
vector<int> X, Y;
int cnt;
void rec();
inline bool inter(int i, int x, int y) {
        return l[i] <= x && x <= r[i] && d[i] <= y && y <= u[i];
}
inline void add_point(int x, int y) {
        vector<int> change;
        for (int i = used._Find_first(); i < n; i = used._Find_next(i)) {
                if (inter(i, x, y)) {
                        cnt--;
                        used[i] = false;
                        change.push_back(i);
                }
        }
        if (change.empty())
                return;
        points.emplace_back(x, y);
 
 
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Compilation message (stderr)

hamburg.cpp: In function 'void rec()':
hamburg.cpp:96:35: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   96 |         if (!cnt && points.size() <= k) {
      |                     ~~~~~~~~~~~~~~^~~~
hamburg.cpp:103:27: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  103 |         if (points.size() >= k)
      |             ~~~~~~~~~~~~~~^~~~

• Subtask 1: 1 / 1
• Subtask 2: 1 / 1
• Subtask 3: 3 / 3
• Subtask 4: 6 / 6
• Subtask 5: 1 / 1
• Subtask 6: 3 / 3
• Subtask 7: 6 / 6
• Subtask 8: 79 / 79