#include <iostream>
#include <map>
#include <queue>
#include <vector>
#include <algorithm>
#include <functional>
using namespace std;
#pragma warning (disable: 4996)
int N, T, X[1 << 18], Y[1 << 18];
map<pair<int, int>, int> Map;
vector<int> G[1 << 18];
bool used[1 << 18];
void solve_subtask1() {
for (int i = 1; i <= N; i++) Map[make_pair(X[i], Y[i])] = i;
for (int i = 1; i <= N; i++) {
int dx[8] = { 1, 1, 1, 0, -1, -1, -1, 0 };
int dy[8] = { -1, 0, 1, 1, 1, 0, -1, -1 };
for (int j = 0; j < 8; j++) {
int ex = X[i] + dx[j], ey = Y[i] + dy[j];
if (Map[make_pair(ex, ey)] >= 1) {
G[i].push_back(Map[make_pair(ex, ey)]);
}
}
}
priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> Q;
Q.push(make_pair(X[1], Y[1])); vector<int> I;
while (!Q.empty()) {
pair<int, int> pos = Q.top(); Q.pop();
int idx = Map[pos]; if (used[idx] == true) continue;
used[idx] = true; I.push_back(idx);
for (int i : G[idx]) {
if (used[i] == true) continue;
Q.push(make_pair(X[i], Y[i]));
}
}
if ((int)I.size() != N) {
printf("NO\n");
}
else {
printf("YES\n");
for (int i = 0; i < I.size(); i++) printf("%d\n", I[i]);
}
}
void solve_subtask2() {
}
int main() {
scanf("%d%d", &N, &T);
for (int i = 1; i <= N; i++) scanf("%d%d", &X[i], &Y[i]);
if (T == 1) {
solve_subtask1();
}
else {
solve_subtask2();
}
return 0;
}
Compilation message
skyscrapers.cpp:8:0: warning: ignoring #pragma warning [-Wunknown-pragmas]
#pragma warning (disable: 4996)
skyscrapers.cpp: In function 'void solve_subtask1()':
skyscrapers.cpp:45:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < I.size(); i++) printf("%d\n", I[i]);
~~^~~~~~~~~~
skyscrapers.cpp: In function 'int main()':
skyscrapers.cpp:54:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &N, &T);
~~~~~^~~~~~~~~~~~~~~~
skyscrapers.cpp:55:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for (int i = 1; i <= N; i++) scanf("%d%d", &X[i], &Y[i]);
~~~~~^~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
6520 KB |
ans=YES N=1 |
2 |
Correct |
8 ms |
6520 KB |
ans=YES N=4 |
3 |
Correct |
8 ms |
6520 KB |
ans=NO N=4 |
4 |
Correct |
8 ms |
6520 KB |
ans=YES N=5 |
5 |
Correct |
8 ms |
6520 KB |
ans=YES N=9 |
6 |
Correct |
8 ms |
6520 KB |
ans=YES N=5 |
7 |
Correct |
8 ms |
6520 KB |
ans=NO N=9 |
8 |
Correct |
9 ms |
6524 KB |
ans=NO N=10 |
9 |
Correct |
9 ms |
6520 KB |
ans=YES N=10 |
10 |
Correct |
9 ms |
6520 KB |
ans=YES N=10 |
11 |
Correct |
9 ms |
6520 KB |
ans=YES N=10 |
12 |
Correct |
8 ms |
6520 KB |
ans=YES N=9 |
13 |
Correct |
8 ms |
6520 KB |
ans=YES N=9 |
14 |
Correct |
8 ms |
6520 KB |
ans=YES N=8 |
15 |
Correct |
8 ms |
6524 KB |
ans=YES N=8 |
16 |
Correct |
9 ms |
6648 KB |
ans=NO N=2 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
6520 KB |
ans=YES N=1 |
2 |
Correct |
8 ms |
6520 KB |
ans=YES N=4 |
3 |
Correct |
8 ms |
6520 KB |
ans=NO N=4 |
4 |
Correct |
8 ms |
6520 KB |
ans=YES N=5 |
5 |
Correct |
8 ms |
6520 KB |
ans=YES N=9 |
6 |
Correct |
8 ms |
6520 KB |
ans=YES N=5 |
7 |
Correct |
8 ms |
6520 KB |
ans=NO N=9 |
8 |
Correct |
9 ms |
6524 KB |
ans=NO N=10 |
9 |
Correct |
9 ms |
6520 KB |
ans=YES N=10 |
10 |
Correct |
9 ms |
6520 KB |
ans=YES N=10 |
11 |
Correct |
9 ms |
6520 KB |
ans=YES N=10 |
12 |
Correct |
8 ms |
6520 KB |
ans=YES N=9 |
13 |
Correct |
8 ms |
6520 KB |
ans=YES N=9 |
14 |
Correct |
8 ms |
6520 KB |
ans=YES N=8 |
15 |
Correct |
8 ms |
6524 KB |
ans=YES N=8 |
16 |
Correct |
9 ms |
6648 KB |
ans=NO N=2 |
17 |
Correct |
8 ms |
6520 KB |
ans=YES N=17 |
18 |
Correct |
8 ms |
6520 KB |
ans=YES N=25 |
19 |
Correct |
9 ms |
6520 KB |
ans=YES N=100 |
20 |
Correct |
9 ms |
6520 KB |
ans=YES N=185 |
21 |
Correct |
9 ms |
6520 KB |
ans=NO N=174 |
22 |
Correct |
9 ms |
6520 KB |
ans=YES N=90 |
23 |
Correct |
8 ms |
6520 KB |
ans=YES N=63 |
24 |
Correct |
8 ms |
6520 KB |
ans=YES N=87 |
25 |
Correct |
9 ms |
6520 KB |
ans=YES N=183 |
26 |
Correct |
10 ms |
6520 KB |
ans=YES N=188 |
27 |
Correct |
9 ms |
6524 KB |
ans=YES N=183 |
28 |
Correct |
9 ms |
6520 KB |
ans=YES N=189 |
29 |
Correct |
9 ms |
6520 KB |
ans=YES N=200 |
30 |
Correct |
9 ms |
6520 KB |
ans=YES N=190 |
31 |
Correct |
9 ms |
6520 KB |
ans=YES N=187 |
32 |
Correct |
9 ms |
6520 KB |
ans=YES N=187 |
33 |
Correct |
9 ms |
6520 KB |
ans=YES N=182 |
34 |
Correct |
9 ms |
6520 KB |
ans=YES N=184 |
35 |
Correct |
9 ms |
6520 KB |
ans=YES N=188 |
36 |
Correct |
9 ms |
6520 KB |
ans=YES N=181 |
37 |
Correct |
9 ms |
6520 KB |
ans=YES N=188 |
38 |
Correct |
9 ms |
6520 KB |
ans=YES N=191 |
39 |
Correct |
9 ms |
6520 KB |
ans=YES N=196 |
40 |
Correct |
9 ms |
6520 KB |
ans=YES N=196 |
41 |
Correct |
9 ms |
6520 KB |
ans=YES N=196 |
42 |
Correct |
9 ms |
6520 KB |
ans=YES N=196 |
43 |
Correct |
9 ms |
6520 KB |
ans=YES N=195 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
6520 KB |
ans=YES N=1 |
2 |
Correct |
8 ms |
6520 KB |
ans=YES N=4 |
3 |
Correct |
8 ms |
6520 KB |
ans=NO N=4 |
4 |
Correct |
8 ms |
6520 KB |
ans=YES N=5 |
5 |
Correct |
8 ms |
6520 KB |
ans=YES N=9 |
6 |
Correct |
8 ms |
6520 KB |
ans=YES N=5 |
7 |
Correct |
8 ms |
6520 KB |
ans=NO N=9 |
8 |
Correct |
9 ms |
6524 KB |
ans=NO N=10 |
9 |
Correct |
9 ms |
6520 KB |
ans=YES N=10 |
10 |
Correct |
9 ms |
6520 KB |
ans=YES N=10 |
11 |
Correct |
9 ms |
6520 KB |
ans=YES N=10 |
12 |
Correct |
8 ms |
6520 KB |
ans=YES N=9 |
13 |
Correct |
8 ms |
6520 KB |
ans=YES N=9 |
14 |
Correct |
8 ms |
6520 KB |
ans=YES N=8 |
15 |
Correct |
8 ms |
6524 KB |
ans=YES N=8 |
16 |
Correct |
9 ms |
6648 KB |
ans=NO N=2 |
17 |
Correct |
8 ms |
6520 KB |
ans=YES N=17 |
18 |
Correct |
8 ms |
6520 KB |
ans=YES N=25 |
19 |
Correct |
9 ms |
6520 KB |
ans=YES N=100 |
20 |
Correct |
9 ms |
6520 KB |
ans=YES N=185 |
21 |
Correct |
9 ms |
6520 KB |
ans=NO N=174 |
22 |
Correct |
9 ms |
6520 KB |
ans=YES N=90 |
23 |
Correct |
8 ms |
6520 KB |
ans=YES N=63 |
24 |
Correct |
8 ms |
6520 KB |
ans=YES N=87 |
25 |
Correct |
9 ms |
6520 KB |
ans=YES N=183 |
26 |
Correct |
10 ms |
6520 KB |
ans=YES N=188 |
27 |
Correct |
9 ms |
6524 KB |
ans=YES N=183 |
28 |
Correct |
9 ms |
6520 KB |
ans=YES N=189 |
29 |
Correct |
9 ms |
6520 KB |
ans=YES N=200 |
30 |
Correct |
9 ms |
6520 KB |
ans=YES N=190 |
31 |
Correct |
9 ms |
6520 KB |
ans=YES N=187 |
32 |
Correct |
9 ms |
6520 KB |
ans=YES N=187 |
33 |
Correct |
9 ms |
6520 KB |
ans=YES N=182 |
34 |
Correct |
9 ms |
6520 KB |
ans=YES N=184 |
35 |
Correct |
9 ms |
6520 KB |
ans=YES N=188 |
36 |
Correct |
9 ms |
6520 KB |
ans=YES N=181 |
37 |
Correct |
9 ms |
6520 KB |
ans=YES N=188 |
38 |
Correct |
9 ms |
6520 KB |
ans=YES N=191 |
39 |
Correct |
9 ms |
6520 KB |
ans=YES N=196 |
40 |
Correct |
9 ms |
6520 KB |
ans=YES N=196 |
41 |
Correct |
9 ms |
6520 KB |
ans=YES N=196 |
42 |
Correct |
9 ms |
6520 KB |
ans=YES N=196 |
43 |
Correct |
9 ms |
6520 KB |
ans=YES N=195 |
44 |
Correct |
14 ms |
7672 KB |
ans=NO N=1934 |
45 |
Correct |
13 ms |
6904 KB |
ans=NO N=1965 |
46 |
Correct |
14 ms |
6776 KB |
ans=YES N=1824 |
47 |
Correct |
14 ms |
6776 KB |
ans=YES N=1981 |
48 |
Correct |
15 ms |
6776 KB |
ans=YES N=1814 |
49 |
Correct |
13 ms |
6776 KB |
ans=YES N=1854 |
50 |
Correct |
15 ms |
6776 KB |
ans=YES N=1831 |
51 |
Correct |
14 ms |
6776 KB |
ans=YES N=2000 |
52 |
Correct |
14 ms |
6904 KB |
ans=YES N=1847 |
53 |
Correct |
13 ms |
6904 KB |
ans=YES N=1819 |
54 |
Correct |
14 ms |
6776 KB |
ans=YES N=1986 |
55 |
Correct |
14 ms |
7032 KB |
ans=YES N=2000 |
56 |
Correct |
15 ms |
7032 KB |
ans=YES N=1834 |
57 |
Correct |
13 ms |
7032 KB |
ans=YES N=1860 |
58 |
Correct |
13 ms |
7032 KB |
ans=YES N=1898 |
59 |
Correct |
14 ms |
6904 KB |
ans=YES N=1832 |
60 |
Correct |
14 ms |
7160 KB |
ans=YES N=1929 |
61 |
Correct |
14 ms |
6904 KB |
ans=YES N=1919 |
62 |
Correct |
14 ms |
7032 KB |
ans=YES N=1882 |
63 |
Correct |
14 ms |
7160 KB |
ans=YES N=1922 |
64 |
Correct |
14 ms |
6904 KB |
ans=YES N=1989 |
65 |
Correct |
12 ms |
6904 KB |
ans=YES N=1978 |
66 |
Correct |
13 ms |
7032 KB |
ans=YES N=1867 |
67 |
Correct |
14 ms |
6904 KB |
ans=YES N=1942 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
8 ms |
6520 KB |
Unexpected end of file - token expected |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
6520 KB |
ans=YES N=1 |
2 |
Correct |
8 ms |
6520 KB |
ans=YES N=4 |
3 |
Correct |
8 ms |
6520 KB |
ans=NO N=4 |
4 |
Correct |
8 ms |
6520 KB |
ans=YES N=5 |
5 |
Correct |
8 ms |
6520 KB |
ans=YES N=9 |
6 |
Correct |
8 ms |
6520 KB |
ans=YES N=5 |
7 |
Correct |
8 ms |
6520 KB |
ans=NO N=9 |
8 |
Correct |
9 ms |
6524 KB |
ans=NO N=10 |
9 |
Correct |
9 ms |
6520 KB |
ans=YES N=10 |
10 |
Correct |
9 ms |
6520 KB |
ans=YES N=10 |
11 |
Correct |
9 ms |
6520 KB |
ans=YES N=10 |
12 |
Correct |
8 ms |
6520 KB |
ans=YES N=9 |
13 |
Correct |
8 ms |
6520 KB |
ans=YES N=9 |
14 |
Correct |
8 ms |
6520 KB |
ans=YES N=8 |
15 |
Correct |
8 ms |
6524 KB |
ans=YES N=8 |
16 |
Correct |
9 ms |
6648 KB |
ans=NO N=2 |
17 |
Correct |
8 ms |
6520 KB |
ans=YES N=17 |
18 |
Correct |
8 ms |
6520 KB |
ans=YES N=25 |
19 |
Correct |
9 ms |
6520 KB |
ans=YES N=100 |
20 |
Correct |
9 ms |
6520 KB |
ans=YES N=185 |
21 |
Correct |
9 ms |
6520 KB |
ans=NO N=174 |
22 |
Correct |
9 ms |
6520 KB |
ans=YES N=90 |
23 |
Correct |
8 ms |
6520 KB |
ans=YES N=63 |
24 |
Correct |
8 ms |
6520 KB |
ans=YES N=87 |
25 |
Correct |
9 ms |
6520 KB |
ans=YES N=183 |
26 |
Correct |
10 ms |
6520 KB |
ans=YES N=188 |
27 |
Correct |
9 ms |
6524 KB |
ans=YES N=183 |
28 |
Correct |
9 ms |
6520 KB |
ans=YES N=189 |
29 |
Correct |
9 ms |
6520 KB |
ans=YES N=200 |
30 |
Correct |
9 ms |
6520 KB |
ans=YES N=190 |
31 |
Correct |
9 ms |
6520 KB |
ans=YES N=187 |
32 |
Correct |
9 ms |
6520 KB |
ans=YES N=187 |
33 |
Correct |
9 ms |
6520 KB |
ans=YES N=182 |
34 |
Correct |
9 ms |
6520 KB |
ans=YES N=184 |
35 |
Correct |
9 ms |
6520 KB |
ans=YES N=188 |
36 |
Correct |
9 ms |
6520 KB |
ans=YES N=181 |
37 |
Correct |
9 ms |
6520 KB |
ans=YES N=188 |
38 |
Correct |
9 ms |
6520 KB |
ans=YES N=191 |
39 |
Correct |
9 ms |
6520 KB |
ans=YES N=196 |
40 |
Correct |
9 ms |
6520 KB |
ans=YES N=196 |
41 |
Correct |
9 ms |
6520 KB |
ans=YES N=196 |
42 |
Correct |
9 ms |
6520 KB |
ans=YES N=196 |
43 |
Correct |
9 ms |
6520 KB |
ans=YES N=195 |
44 |
Correct |
14 ms |
7672 KB |
ans=NO N=1934 |
45 |
Correct |
13 ms |
6904 KB |
ans=NO N=1965 |
46 |
Correct |
14 ms |
6776 KB |
ans=YES N=1824 |
47 |
Correct |
14 ms |
6776 KB |
ans=YES N=1981 |
48 |
Correct |
15 ms |
6776 KB |
ans=YES N=1814 |
49 |
Correct |
13 ms |
6776 KB |
ans=YES N=1854 |
50 |
Correct |
15 ms |
6776 KB |
ans=YES N=1831 |
51 |
Correct |
14 ms |
6776 KB |
ans=YES N=2000 |
52 |
Correct |
14 ms |
6904 KB |
ans=YES N=1847 |
53 |
Correct |
13 ms |
6904 KB |
ans=YES N=1819 |
54 |
Correct |
14 ms |
6776 KB |
ans=YES N=1986 |
55 |
Correct |
14 ms |
7032 KB |
ans=YES N=2000 |
56 |
Correct |
15 ms |
7032 KB |
ans=YES N=1834 |
57 |
Correct |
13 ms |
7032 KB |
ans=YES N=1860 |
58 |
Correct |
13 ms |
7032 KB |
ans=YES N=1898 |
59 |
Correct |
14 ms |
6904 KB |
ans=YES N=1832 |
60 |
Correct |
14 ms |
7160 KB |
ans=YES N=1929 |
61 |
Correct |
14 ms |
6904 KB |
ans=YES N=1919 |
62 |
Correct |
14 ms |
7032 KB |
ans=YES N=1882 |
63 |
Correct |
14 ms |
7160 KB |
ans=YES N=1922 |
64 |
Correct |
14 ms |
6904 KB |
ans=YES N=1989 |
65 |
Correct |
12 ms |
6904 KB |
ans=YES N=1978 |
66 |
Correct |
13 ms |
7032 KB |
ans=YES N=1867 |
67 |
Correct |
14 ms |
6904 KB |
ans=YES N=1942 |
68 |
Correct |
328 ms |
17524 KB |
ans=NO N=66151 |
69 |
Correct |
321 ms |
36600 KB |
ans=NO N=64333 |
70 |
Correct |
312 ms |
16240 KB |
ans=YES N=69316 |
71 |
Correct |
304 ms |
15856 KB |
ans=YES N=66695 |
72 |
Correct |
316 ms |
16240 KB |
ans=YES N=68436 |
73 |
Correct |
331 ms |
16644 KB |
ans=YES N=70000 |
74 |
Correct |
325 ms |
16432 KB |
ans=YES N=68501 |
75 |
Correct |
335 ms |
16804 KB |
ans=YES N=70000 |
76 |
Correct |
308 ms |
16972 KB |
ans=YES N=65009 |
77 |
Correct |
325 ms |
20596 KB |
ans=YES N=67007 |
78 |
Correct |
320 ms |
22324 KB |
ans=YES N=66357 |
79 |
Correct |
327 ms |
23796 KB |
ans=YES N=65430 |
80 |
Correct |
343 ms |
23300 KB |
ans=YES N=65790 |
81 |
Correct |
339 ms |
22260 KB |
ans=YES N=66020 |
82 |
Correct |
346 ms |
21360 KB |
ans=YES N=65809 |
83 |
Correct |
319 ms |
17900 KB |
ans=YES N=65651 |
84 |
Correct |
369 ms |
27712 KB |
ans=YES N=68040 |
85 |
Correct |
360 ms |
25468 KB |
ans=YES N=66570 |
86 |
Correct |
316 ms |
16408 KB |
ans=YES N=65421 |
87 |
Correct |
329 ms |
17292 KB |
ans=YES N=68351 |
88 |
Correct |
323 ms |
15848 KB |
ans=YES N=67027 |
89 |
Correct |
273 ms |
19440 KB |
ans=YES N=68879 |
90 |
Correct |
308 ms |
17116 KB |
ans=YES N=67256 |
91 |
Correct |
933 ms |
27872 KB |
ans=YES N=148315 |
92 |
Correct |
888 ms |
80044 KB |
ans=NO N=142745 |
93 |
Correct |
664 ms |
94280 KB |
ans=NO N=148443 |
94 |
Correct |
881 ms |
28908 KB |
ans=YES N=148328 |
95 |
Correct |
863 ms |
29104 KB |
ans=YES N=147855 |
96 |
Correct |
902 ms |
29436 KB |
ans=YES N=150000 |
97 |
Correct |
857 ms |
28724 KB |
ans=YES N=144725 |
98 |
Correct |
884 ms |
29164 KB |
ans=YES N=149445 |
99 |
Correct |
863 ms |
28676 KB |
ans=YES N=144455 |
100 |
Correct |
856 ms |
28420 KB |
ans=YES N=143487 |
101 |
Correct |
881 ms |
29292 KB |
ans=YES N=149688 |
102 |
Correct |
839 ms |
38780 KB |
ans=YES N=141481 |
103 |
Correct |
891 ms |
49896 KB |
ans=YES N=147430 |
104 |
Correct |
826 ms |
33652 KB |
ans=YES N=142247 |
105 |
Correct |
916 ms |
38156 KB |
ans=YES N=149941 |
106 |
Correct |
842 ms |
47536 KB |
ans=YES N=141635 |
107 |
Correct |
927 ms |
44176 KB |
ans=YES N=142896 |
108 |
Correct |
969 ms |
47792 KB |
ans=YES N=142069 |
109 |
Correct |
860 ms |
30188 KB |
ans=YES N=142378 |
110 |
Correct |
939 ms |
42380 KB |
ans=YES N=150000 |
111 |
Correct |
861 ms |
53484 KB |
ans=YES N=141452 |
112 |
Correct |
787 ms |
51180 KB |
ans=YES N=134453 |
113 |
Correct |
726 ms |
53424 KB |
ans=YES N=144172 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
24 ms |
7032 KB |
Unexpected end of file - token expected |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
8 ms |
6520 KB |
Unexpected end of file - token expected |
2 |
Halted |
0 ms |
0 KB |
- |