oj.uz

Submission #810939

# Submission time Handle Problem Language Result Execution time Memory
810939 2023-08-06T17:47:35 Z treewave Building Skyscrapers (CEOI19_skyscrapers) C++17
8 / 100
 147 ms 12964 KB 
#include <bits/stdc++.h>

using namespace std;

int dx[8] = {0, 0, 1, 1, 1, -1, -1, -1};
int dy[8] = {1, -1, 0, 1, -1, 0, 1, -1};

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int n, t; cin >> n >> t;
    vector<array<int, 2>> points;
    set<int> points_set;
    map<array<int, 2>, int> pt_to_idx;
    for (int i = 0; i < n; i++){
        int x, y; cin >> x >> y;
        points.push_back({x, y});
        points_set.insert(i);
        pt_to_idx[{x, y}] = i;
    }
    queue<int> bfs;
    bfs.push(*points_set.begin());
    set<array<int, 2>> visited;
    visited.insert({points[bfs.front()][0], points[bfs.front()][1]});
    vector<int> ans;
    while (!bfs.empty()){
        int tp = bfs.front(); bfs.pop();
        ans.push_back(tp);
        for (int d = 0; d < 8; d++){
            array<int, 2> new_pt = {points[tp][0] + dx[d], points[tp][1] + dy[d]};
            if (!visited.count(new_pt)){
                if (pt_to_idx.count(new_pt)){
                    visited.insert(new_pt);
                    bfs.push(pt_to_idx[new_pt]);
                }
            }
        }
    }
    if (ans.size() != n){
        cout << "NO\n";
        return 0;
    }
    cout << "YES\n";
    for (int i = 0; i < n; i++){
        cout << ans[i] + 1 << "\n";
    }
}

Compilation message

skyscrapers.cpp: In function 'int main()':
skyscrapers.cpp:40:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   40 |     if (ans.size() != n){
      |         ~~~~~~~~~~~^~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB ans=YES N=1
2 Correct 0 ms 212 KB ans=YES N=4
3 Correct 0 ms 320 KB ans=NO N=4
4 Correct 1 ms 212 KB ans=YES N=5
5 Correct 1 ms 212 KB ans=YES N=9
6 Correct 1 ms 212 KB ans=YES N=5
7 Correct 0 ms 212 KB ans=NO N=9
8 Correct 0 ms 324 KB ans=NO N=10
9 Correct 0 ms 212 KB ans=YES N=10
10 Correct 1 ms 212 KB ans=YES N=10
11 Correct 0 ms 212 KB ans=YES N=10
12 Correct 1 ms 212 KB ans=YES N=9
13 Correct 0 ms 212 KB ans=YES N=9
14 Correct 0 ms 212 KB ans=YES N=8
15 Correct 0 ms 212 KB ans=YES N=8
16 Correct 1 ms 212 KB ans=NO N=2

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB ans=YES N=1
2 Correct 0 ms 212 KB ans=YES N=4
3 Correct 0 ms 320 KB ans=NO N=4
4 Correct 1 ms 212 KB ans=YES N=5
5 Correct 1 ms 212 KB ans=YES N=9
6 Correct 1 ms 212 KB ans=YES N=5
7 Correct 0 ms 212 KB ans=NO N=9
8 Correct 0 ms 324 KB ans=NO N=10
9 Correct 0 ms 212 KB ans=YES N=10
10 Correct 1 ms 212 KB ans=YES N=10
11 Correct 0 ms 212 KB ans=YES N=10
12 Correct 1 ms 212 KB ans=YES N=9
13 Correct 0 ms 212 KB ans=YES N=9
14 Correct 0 ms 212 KB ans=YES N=8
15 Correct 0 ms 212 KB ans=YES N=8
16 Correct 1 ms 212 KB ans=NO N=2
17 Correct 0 ms 320 KB ans=YES N=17
18 Correct 0 ms 212 KB ans=YES N=25
19 Correct 1 ms 212 KB ans=YES N=100
20 Correct 1 ms 340 KB ans=YES N=185
21 Correct 0 ms 316 KB ans=NO N=174
22 Correct 1 ms 212 KB ans=YES N=90
23 Correct 1 ms 212 KB ans=YES N=63
24 Correct 1 ms 212 KB ans=YES N=87
25 Correct 1 ms 340 KB ans=YES N=183
26 Correct 1 ms 340 KB ans=YES N=188
27 Correct 1 ms 340 KB ans=YES N=183
28 Correct 1 ms 320 KB ans=YES N=189
29 Correct 1 ms 340 KB ans=YES N=200
30 Correct 1 ms 340 KB ans=YES N=190
31 Correct 1 ms 340 KB ans=YES N=187
32 Correct 1 ms 340 KB ans=YES N=187
33 Correct 1 ms 324 KB ans=YES N=182
34 Correct 1 ms 340 KB ans=YES N=184
35 Correct 1 ms 340 KB ans=YES N=188
36 Correct 1 ms 340 KB ans=YES N=181
37 Correct 1 ms 340 KB ans=YES N=188
38 Correct 1 ms 340 KB ans=YES N=191
39 Incorrect 1 ms 340 KB Added cell 196 (16,2) not reachable from infinity
40 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB ans=YES N=1
2 Correct 0 ms 212 KB ans=YES N=4
3 Correct 0 ms 320 KB ans=NO N=4
4 Correct 1 ms 212 KB ans=YES N=5
5 Correct 1 ms 212 KB ans=YES N=9
6 Correct 1 ms 212 KB ans=YES N=5
7 Correct 0 ms 212 KB ans=NO N=9
8 Correct 0 ms 324 KB ans=NO N=10
9 Correct 0 ms 212 KB ans=YES N=10
10 Correct 1 ms 212 KB ans=YES N=10
11 Correct 0 ms 212 KB ans=YES N=10
12 Correct 1 ms 212 KB ans=YES N=9
13 Correct 0 ms 212 KB ans=YES N=9
14 Correct 0 ms 212 KB ans=YES N=8
15 Correct 0 ms 212 KB ans=YES N=8
16 Correct 1 ms 212 KB ans=NO N=2
17 Correct 0 ms 320 KB ans=YES N=17
18 Correct 0 ms 212 KB ans=YES N=25
19 Correct 1 ms 212 KB ans=YES N=100
20 Correct 1 ms 340 KB ans=YES N=185
21 Correct 0 ms 316 KB ans=NO N=174
22 Correct 1 ms 212 KB ans=YES N=90
23 Correct 1 ms 212 KB ans=YES N=63
24 Correct 1 ms 212 KB ans=YES N=87
25 Correct 1 ms 340 KB ans=YES N=183
26 Correct 1 ms 340 KB ans=YES N=188
27 Correct 1 ms 340 KB ans=YES N=183
28 Correct 1 ms 320 KB ans=YES N=189
29 Correct 1 ms 340 KB ans=YES N=200
30 Correct 1 ms 340 KB ans=YES N=190
31 Correct 1 ms 340 KB ans=YES N=187
32 Correct 1 ms 340 KB ans=YES N=187
33 Correct 1 ms 324 KB ans=YES N=182
34 Correct 1 ms 340 KB ans=YES N=184
35 Correct 1 ms 340 KB ans=YES N=188
36 Correct 1 ms 340 KB ans=YES N=181
37 Correct 1 ms 340 KB ans=YES N=188
38 Correct 1 ms 340 KB ans=YES N=191
39 Incorrect 1 ms 340 KB Added cell 196 (16,2) not reachable from infinity
40 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB ans=NO N=1934
2 Correct 2 ms 468 KB ans=NO N=1965
3 Incorrect 3 ms 592 KB Contestant's solution is not lexicographically largest at index 1824 (1813 vs 595)
4 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB ans=YES N=1
2 Correct 0 ms 212 KB ans=YES N=4
3 Correct 0 ms 320 KB ans=NO N=4
4 Correct 1 ms 212 KB ans=YES N=5
5 Correct 1 ms 212 KB ans=YES N=9
6 Correct 1 ms 212 KB ans=YES N=5
7 Correct 0 ms 212 KB ans=NO N=9
8 Correct 0 ms 324 KB ans=NO N=10
9 Correct 0 ms 212 KB ans=YES N=10
10 Correct 1 ms 212 KB ans=YES N=10
11 Correct 0 ms 212 KB ans=YES N=10
12 Correct 1 ms 212 KB ans=YES N=9
13 Correct 0 ms 212 KB ans=YES N=9
14 Correct 0 ms 212 KB ans=YES N=8
15 Correct 0 ms 212 KB ans=YES N=8
16 Correct 1 ms 212 KB ans=NO N=2
17 Correct 0 ms 320 KB ans=YES N=17
18 Correct 0 ms 212 KB ans=YES N=25
19 Correct 1 ms 212 KB ans=YES N=100
20 Correct 1 ms 340 KB ans=YES N=185
21 Correct 0 ms 316 KB ans=NO N=174
22 Correct 1 ms 212 KB ans=YES N=90
23 Correct 1 ms 212 KB ans=YES N=63
24 Correct 1 ms 212 KB ans=YES N=87
25 Correct 1 ms 340 KB ans=YES N=183
26 Correct 1 ms 340 KB ans=YES N=188
27 Correct 1 ms 340 KB ans=YES N=183
28 Correct 1 ms 320 KB ans=YES N=189
29 Correct 1 ms 340 KB ans=YES N=200
30 Correct 1 ms 340 KB ans=YES N=190
31 Correct 1 ms 340 KB ans=YES N=187
32 Correct 1 ms 340 KB ans=YES N=187
33 Correct 1 ms 324 KB ans=YES N=182
34 Correct 1 ms 340 KB ans=YES N=184
35 Correct 1 ms 340 KB ans=YES N=188
36 Correct 1 ms 340 KB ans=YES N=181
37 Correct 1 ms 340 KB ans=YES N=188
38 Correct 1 ms 340 KB ans=YES N=191
39 Incorrect 1 ms 340 KB Added cell 196 (16,2) not reachable from infinity
40 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 147 ms 12084 KB ans=NO N=66151
2 Correct 40 ms 8324 KB ans=NO N=64333
3 Incorrect 136 ms 12964 KB Contestant's solution is not lexicographically largest at index 69316 (69235 vs 13970)
4 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB ans=NO N=1934
2 Correct 2 ms 468 KB ans=NO N=1965
3 Incorrect 3 ms 592 KB Contestant's solution is not lexicographically largest at index 1824 (1813 vs 595)
4 Halted 0 ms 0 KB -