#include <bits/stdc++.h>
using namespace std;
const int N = 150'000 + 10,
dx[8] = {-1, -1, 0, 1, 1, -1, 0, 1},
dy[8] = {-1, 0, -1, -1, 0, 1, 1, 1};
int n, type;
struct Point {
int r, c, idx;
bool operator > (const auto& rhs) {
return make_pair(r, c) > make_pair(rhs.r, rhs.c);
}
friend ostream& operator << (ostream& os, const auto& rhs) {
return os << rhs.r << " " << rhs.c << " " << rhs.idx;
}
} p[N];
unordered_map<int, unordered_map<int, int>> rvs;
bool mk[N];
int32_t main() {
cin.tie(0)->sync_with_stdio(0);
cin >> n >> type;
for (int i = 1; i <= n; ++i) {
int r, c; cin >> r >> c;
p[i] = {r, c, i};
rvs[r][c] = i;
}
Point st = p[1];
for (int i = 1; i <= n; ++i) if (st > p[i]) st = p[i];
queue<Point> q;
q.push(st);
mk[st.idx] = true;
vector<int> answer;
while (q.size()) {
auto [r, c, idx] = q.front(); q.pop();
answer.push_back(idx);
for (int i = 0; i < 8; ++i) {
int nR = r + dx[i], nC = c + dy[i],
nxt = rvs[nR][nC];
if (!nxt || mk[nxt]) continue;
mk[nxt] = true;
q.push(p[nxt]);
}
}
if (answer.size() != n) { cout << "No\n"; return 0; };
cout << "YES\n";
for (const auto& x : answer) cout << x << "\n";
}
Compilation message
skyscrapers.cpp:12:25: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
12 | bool operator > (const auto& rhs) {
| ^~~~
skyscrapers.cpp:15:50: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
15 | friend ostream& operator << (ostream& os, const auto& rhs) {
| ^~~~
skyscrapers.cpp: In function 'int32_t main()':
skyscrapers.cpp:52:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
52 | if (answer.size() != n) { cout << "No\n"; return 0; };
| ~~~~~~~~~~~~~~^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
ans=YES N=1 |
2 |
Correct |
1 ms |
348 KB |
ans=YES N=4 |
3 |
Correct |
0 ms |
348 KB |
ans=NO N=4 |
4 |
Correct |
0 ms |
348 KB |
ans=YES N=5 |
5 |
Correct |
0 ms |
348 KB |
ans=YES N=9 |
6 |
Correct |
1 ms |
348 KB |
ans=YES N=5 |
7 |
Correct |
0 ms |
348 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
348 KB |
ans=NO N=10 |
9 |
Correct |
0 ms |
348 KB |
ans=YES N=10 |
10 |
Correct |
1 ms |
348 KB |
ans=YES N=10 |
11 |
Correct |
0 ms |
348 KB |
ans=YES N=10 |
12 |
Correct |
0 ms |
348 KB |
ans=YES N=9 |
13 |
Correct |
1 ms |
348 KB |
ans=YES N=9 |
14 |
Correct |
0 ms |
348 KB |
ans=YES N=8 |
15 |
Correct |
1 ms |
348 KB |
ans=YES N=8 |
16 |
Correct |
1 ms |
348 KB |
ans=NO N=2 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
ans=YES N=1 |
2 |
Correct |
1 ms |
348 KB |
ans=YES N=4 |
3 |
Correct |
0 ms |
348 KB |
ans=NO N=4 |
4 |
Correct |
0 ms |
348 KB |
ans=YES N=5 |
5 |
Correct |
0 ms |
348 KB |
ans=YES N=9 |
6 |
Correct |
1 ms |
348 KB |
ans=YES N=5 |
7 |
Correct |
0 ms |
348 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
348 KB |
ans=NO N=10 |
9 |
Correct |
0 ms |
348 KB |
ans=YES N=10 |
10 |
Correct |
1 ms |
348 KB |
ans=YES N=10 |
11 |
Correct |
0 ms |
348 KB |
ans=YES N=10 |
12 |
Correct |
0 ms |
348 KB |
ans=YES N=9 |
13 |
Correct |
1 ms |
348 KB |
ans=YES N=9 |
14 |
Correct |
0 ms |
348 KB |
ans=YES N=8 |
15 |
Correct |
1 ms |
348 KB |
ans=YES N=8 |
16 |
Correct |
1 ms |
348 KB |
ans=NO N=2 |
17 |
Correct |
0 ms |
348 KB |
ans=YES N=17 |
18 |
Correct |
0 ms |
348 KB |
ans=YES N=25 |
19 |
Correct |
1 ms |
348 KB |
ans=YES N=100 |
20 |
Correct |
1 ms |
348 KB |
ans=YES N=185 |
21 |
Correct |
1 ms |
348 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
348 KB |
ans=YES N=90 |
23 |
Correct |
1 ms |
344 KB |
ans=YES N=63 |
24 |
Correct |
0 ms |
348 KB |
ans=YES N=87 |
25 |
Correct |
1 ms |
348 KB |
ans=YES N=183 |
26 |
Correct |
1 ms |
348 KB |
ans=YES N=188 |
27 |
Correct |
1 ms |
504 KB |
ans=YES N=183 |
28 |
Correct |
1 ms |
348 KB |
ans=YES N=189 |
29 |
Correct |
1 ms |
348 KB |
ans=YES N=200 |
30 |
Correct |
1 ms |
348 KB |
ans=YES N=190 |
31 |
Correct |
1 ms |
348 KB |
ans=YES N=187 |
32 |
Correct |
1 ms |
344 KB |
ans=YES N=187 |
33 |
Correct |
1 ms |
348 KB |
ans=YES N=182 |
34 |
Correct |
1 ms |
348 KB |
ans=YES N=184 |
35 |
Correct |
1 ms |
348 KB |
ans=YES N=188 |
36 |
Correct |
0 ms |
348 KB |
ans=YES N=181 |
37 |
Correct |
1 ms |
348 KB |
ans=YES N=188 |
38 |
Correct |
1 ms |
348 KB |
ans=YES N=191 |
39 |
Incorrect |
1 ms |
348 KB |
Added cell 196 (16,2) not reachable from infinity |
40 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
ans=YES N=1 |
2 |
Correct |
1 ms |
348 KB |
ans=YES N=4 |
3 |
Correct |
0 ms |
348 KB |
ans=NO N=4 |
4 |
Correct |
0 ms |
348 KB |
ans=YES N=5 |
5 |
Correct |
0 ms |
348 KB |
ans=YES N=9 |
6 |
Correct |
1 ms |
348 KB |
ans=YES N=5 |
7 |
Correct |
0 ms |
348 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
348 KB |
ans=NO N=10 |
9 |
Correct |
0 ms |
348 KB |
ans=YES N=10 |
10 |
Correct |
1 ms |
348 KB |
ans=YES N=10 |
11 |
Correct |
0 ms |
348 KB |
ans=YES N=10 |
12 |
Correct |
0 ms |
348 KB |
ans=YES N=9 |
13 |
Correct |
1 ms |
348 KB |
ans=YES N=9 |
14 |
Correct |
0 ms |
348 KB |
ans=YES N=8 |
15 |
Correct |
1 ms |
348 KB |
ans=YES N=8 |
16 |
Correct |
1 ms |
348 KB |
ans=NO N=2 |
17 |
Correct |
0 ms |
348 KB |
ans=YES N=17 |
18 |
Correct |
0 ms |
348 KB |
ans=YES N=25 |
19 |
Correct |
1 ms |
348 KB |
ans=YES N=100 |
20 |
Correct |
1 ms |
348 KB |
ans=YES N=185 |
21 |
Correct |
1 ms |
348 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
348 KB |
ans=YES N=90 |
23 |
Correct |
1 ms |
344 KB |
ans=YES N=63 |
24 |
Correct |
0 ms |
348 KB |
ans=YES N=87 |
25 |
Correct |
1 ms |
348 KB |
ans=YES N=183 |
26 |
Correct |
1 ms |
348 KB |
ans=YES N=188 |
27 |
Correct |
1 ms |
504 KB |
ans=YES N=183 |
28 |
Correct |
1 ms |
348 KB |
ans=YES N=189 |
29 |
Correct |
1 ms |
348 KB |
ans=YES N=200 |
30 |
Correct |
1 ms |
348 KB |
ans=YES N=190 |
31 |
Correct |
1 ms |
348 KB |
ans=YES N=187 |
32 |
Correct |
1 ms |
344 KB |
ans=YES N=187 |
33 |
Correct |
1 ms |
348 KB |
ans=YES N=182 |
34 |
Correct |
1 ms |
348 KB |
ans=YES N=184 |
35 |
Correct |
1 ms |
348 KB |
ans=YES N=188 |
36 |
Correct |
0 ms |
348 KB |
ans=YES N=181 |
37 |
Correct |
1 ms |
348 KB |
ans=YES N=188 |
38 |
Correct |
1 ms |
348 KB |
ans=YES N=191 |
39 |
Incorrect |
1 ms |
348 KB |
Added cell 196 (16,2) not reachable from infinity |
40 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
856 KB |
ans=NO N=1934 |
2 |
Correct |
1 ms |
604 KB |
ans=NO N=1965 |
3 |
Incorrect |
1 ms |
604 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 1702) |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
ans=YES N=1 |
2 |
Correct |
1 ms |
348 KB |
ans=YES N=4 |
3 |
Correct |
0 ms |
348 KB |
ans=NO N=4 |
4 |
Correct |
0 ms |
348 KB |
ans=YES N=5 |
5 |
Correct |
0 ms |
348 KB |
ans=YES N=9 |
6 |
Correct |
1 ms |
348 KB |
ans=YES N=5 |
7 |
Correct |
0 ms |
348 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
348 KB |
ans=NO N=10 |
9 |
Correct |
0 ms |
348 KB |
ans=YES N=10 |
10 |
Correct |
1 ms |
348 KB |
ans=YES N=10 |
11 |
Correct |
0 ms |
348 KB |
ans=YES N=10 |
12 |
Correct |
0 ms |
348 KB |
ans=YES N=9 |
13 |
Correct |
1 ms |
348 KB |
ans=YES N=9 |
14 |
Correct |
0 ms |
348 KB |
ans=YES N=8 |
15 |
Correct |
1 ms |
348 KB |
ans=YES N=8 |
16 |
Correct |
1 ms |
348 KB |
ans=NO N=2 |
17 |
Correct |
0 ms |
348 KB |
ans=YES N=17 |
18 |
Correct |
0 ms |
348 KB |
ans=YES N=25 |
19 |
Correct |
1 ms |
348 KB |
ans=YES N=100 |
20 |
Correct |
1 ms |
348 KB |
ans=YES N=185 |
21 |
Correct |
1 ms |
348 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
348 KB |
ans=YES N=90 |
23 |
Correct |
1 ms |
344 KB |
ans=YES N=63 |
24 |
Correct |
0 ms |
348 KB |
ans=YES N=87 |
25 |
Correct |
1 ms |
348 KB |
ans=YES N=183 |
26 |
Correct |
1 ms |
348 KB |
ans=YES N=188 |
27 |
Correct |
1 ms |
504 KB |
ans=YES N=183 |
28 |
Correct |
1 ms |
348 KB |
ans=YES N=189 |
29 |
Correct |
1 ms |
348 KB |
ans=YES N=200 |
30 |
Correct |
1 ms |
348 KB |
ans=YES N=190 |
31 |
Correct |
1 ms |
348 KB |
ans=YES N=187 |
32 |
Correct |
1 ms |
344 KB |
ans=YES N=187 |
33 |
Correct |
1 ms |
348 KB |
ans=YES N=182 |
34 |
Correct |
1 ms |
348 KB |
ans=YES N=184 |
35 |
Correct |
1 ms |
348 KB |
ans=YES N=188 |
36 |
Correct |
0 ms |
348 KB |
ans=YES N=181 |
37 |
Correct |
1 ms |
348 KB |
ans=YES N=188 |
38 |
Correct |
1 ms |
348 KB |
ans=YES N=191 |
39 |
Incorrect |
1 ms |
348 KB |
Added cell 196 (16,2) not reachable from infinity |
40 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
44 ms |
6756 KB |
ans=NO N=66151 |
2 |
Correct |
20 ms |
4676 KB |
ans=NO N=64333 |
3 |
Incorrect |
38 ms |
5708 KB |
Contestant's solution is not lexicographically largest at index 69316 (69235 vs 7320) |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
856 KB |
ans=NO N=1934 |
2 |
Correct |
1 ms |
604 KB |
ans=NO N=1965 |
3 |
Incorrect |
1 ms |
604 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 1702) |
4 |
Halted |
0 ms |
0 KB |
- |