Submission #446285

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
446285	2021-07-21 13:13:55	benedict0724	Building Skyscrapers (CEOI19_skyscrapers)	C++17	54 / 100	721 ms	92476 KiB

skyscrapers

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
map<pair<int, int>, int> m;
struct node
{
    int x, y, i;
    node() : node(0, 0, 0) {}
    node(int _x, int _y, int _i) : x(_x), y(_y), i(_i) {}
    bool operator < (const node &O) const
    {
        if(x == O.x) return y > O.y;
        return x > O.x;
    }
} Sky[150002];
int dx[8] = {1, 1, 1, 0, 0, -1, -1, -1};
int dy[8] = {1, 0, -1, 1, -1, 1, 0, -1};
vector<int> adj[150002];
int X[150002], Y[150002];
bool visited[150002];
queue<int> q;
priority_queue<node> pq;
void bfs(int x)
{
    visited[x] = true;
    pq.push(node(X[x], Y[x], x));
    while(!pq.empty())
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

skyscrapers.cpp: In function 'int main()':
skyscrapers.cpp:66:17: warning: comparison of integer expressions of different signedness: 'std::queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   66 |     if(q.size() < n) cout << "NO\n";
      |        ~~~~~~~~~^~~

• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 12 / 12
• Subtask 4: 0 / 17
• Subtask 5: 20 / 20
• Subtask 6: 0 / 10
• Subtask 7: 0 / 19