oj.uz

Submission #446315

# Submission time Handle Problem Language Result Execution time Memory
446315 2021-07-21T14:25:18 Z urd05 Building Skyscrapers (CEOI19_skyscrapers) C++17
54 / 100
 496 ms 23868 KB 
#include <bits/stdc++.h>
using namespace std;

typedef pair<int,int> P;
map<P,int> mp;
map<P,bool> vis;
set<P> s;
int dx[8]={1,1,0,-1,-1,-1,0,1};
int dy[8]={0,1,1,1,0,-1,-1,-1};

int main() {
    int n,t;
    scanf("%d %d",&n,&t);
    for(int i=0;i<n;i++) {
        int x,y;
        scanf("%d %d",&x,&y);
        mp[P(x,y)]=i;
    }
    P st=(*mp.begin()).first;
    vis[st]=true;
    vector<int> ret;
    s.insert(st);
    while (!s.empty()) {
        P now=*s.begin();
        s.erase(now);
        ret.push_back(mp[now]);
        int x=now.first;
        int y=now.second;
        for(int i=0;i<8;i++) {
            if (mp.find(P(x+dx[i],y+dy[i]))!=mp.end()&&!vis[P(x+dx[i],y+dy[i])]) {
                vis[P(x+dx[i],y+dy[i])]=true;
                s.insert(P(x+dx[i],y+dy[i]));
            }
        }
    }
    if (ret.size()!=n) {
        printf("NO");
    }
    else {
        printf("YES\n");
        for(int i=0;i<n;i++) {
            printf("%d\n",ret[i]+1);
        }
    }
}

Compilation message

skyscrapers.cpp: In function 'int main()':
skyscrapers.cpp:36:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |     if (ret.size()!=n) {
      |         ~~~~~~~~~~^~~
skyscrapers.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     scanf("%d %d",&n,&t);
      |     ~~~~~^~~~~~~~~~~~~~~
skyscrapers.cpp:16:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |         scanf("%d %d",&x,&y);
      |         ~~~~~^~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB ans=YES N=1
2 Correct 0 ms 204 KB ans=YES N=4
3 Correct 0 ms 204 KB ans=NO N=4
4 Correct 1 ms 204 KB ans=YES N=5
5 Correct 0 ms 216 KB ans=YES N=9
6 Correct 1 ms 204 KB ans=YES N=5
7 Correct 0 ms 204 KB ans=NO N=9
8 Correct 1 ms 204 KB ans=NO N=10
9 Correct 1 ms 204 KB ans=YES N=10
10 Correct 1 ms 204 KB ans=YES N=10
11 Correct 0 ms 204 KB ans=YES N=10
12 Correct 1 ms 204 KB ans=YES N=9
13 Correct 1 ms 292 KB ans=YES N=9
14 Correct 1 ms 204 KB ans=YES N=8
15 Correct 0 ms 204 KB ans=YES N=8
16 Correct 1 ms 204 KB ans=NO N=2

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB ans=YES N=1
2 Correct 0 ms 204 KB ans=YES N=4
3 Correct 0 ms 204 KB ans=NO N=4
4 Correct 1 ms 204 KB ans=YES N=5
5 Correct 0 ms 216 KB ans=YES N=9
6 Correct 1 ms 204 KB ans=YES N=5
7 Correct 0 ms 204 KB ans=NO N=9
8 Correct 1 ms 204 KB ans=NO N=10
9 Correct 1 ms 204 KB ans=YES N=10
10 Correct 1 ms 204 KB ans=YES N=10
11 Correct 0 ms 204 KB ans=YES N=10
12 Correct 1 ms 204 KB ans=YES N=9
13 Correct 1 ms 292 KB ans=YES N=9
14 Correct 1 ms 204 KB ans=YES N=8
15 Correct 0 ms 204 KB ans=YES N=8
16 Correct 1 ms 204 KB ans=NO N=2
17 Correct 1 ms 204 KB ans=YES N=17
18 Correct 0 ms 204 KB ans=YES N=25
19 Correct 1 ms 204 KB ans=YES N=100
20 Correct 1 ms 204 KB ans=YES N=185
21 Correct 1 ms 204 KB ans=NO N=174
22 Correct 1 ms 204 KB ans=YES N=90
23 Correct 1 ms 204 KB ans=YES N=63
24 Correct 1 ms 204 KB ans=YES N=87
25 Correct 1 ms 204 KB ans=YES N=183
26 Correct 1 ms 204 KB ans=YES N=188
27 Correct 1 ms 204 KB ans=YES N=183
28 Correct 1 ms 204 KB ans=YES N=189
29 Correct 1 ms 204 KB ans=YES N=200
30 Correct 1 ms 204 KB ans=YES N=190
31 Correct 1 ms 204 KB ans=YES N=187
32 Correct 1 ms 204 KB ans=YES N=187
33 Correct 1 ms 204 KB ans=YES N=182
34 Correct 2 ms 204 KB ans=YES N=184
35 Correct 1 ms 204 KB ans=YES N=188
36 Correct 1 ms 204 KB ans=YES N=181
37 Correct 1 ms 204 KB ans=YES N=188
38 Correct 1 ms 204 KB ans=YES N=191
39 Correct 1 ms 204 KB ans=YES N=196
40 Correct 1 ms 204 KB ans=YES N=196
41 Correct 1 ms 204 KB ans=YES N=196
42 Correct 1 ms 204 KB ans=YES N=196
43 Correct 1 ms 204 KB ans=YES N=195

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB ans=YES N=1
2 Correct 0 ms 204 KB ans=YES N=4
3 Correct 0 ms 204 KB ans=NO N=4
4 Correct 1 ms 204 KB ans=YES N=5
5 Correct 0 ms 216 KB ans=YES N=9
6 Correct 1 ms 204 KB ans=YES N=5
7 Correct 0 ms 204 KB ans=NO N=9
8 Correct 1 ms 204 KB ans=NO N=10
9 Correct 1 ms 204 KB ans=YES N=10
10 Correct 1 ms 204 KB ans=YES N=10
11 Correct 0 ms 204 KB ans=YES N=10
12 Correct 1 ms 204 KB ans=YES N=9
13 Correct 1 ms 292 KB ans=YES N=9
14 Correct 1 ms 204 KB ans=YES N=8
15 Correct 0 ms 204 KB ans=YES N=8
16 Correct 1 ms 204 KB ans=NO N=2
17 Correct 1 ms 204 KB ans=YES N=17
18 Correct 0 ms 204 KB ans=YES N=25
19 Correct 1 ms 204 KB ans=YES N=100
20 Correct 1 ms 204 KB ans=YES N=185
21 Correct 1 ms 204 KB ans=NO N=174
22 Correct 1 ms 204 KB ans=YES N=90
23 Correct 1 ms 204 KB ans=YES N=63
24 Correct 1 ms 204 KB ans=YES N=87
25 Correct 1 ms 204 KB ans=YES N=183
26 Correct 1 ms 204 KB ans=YES N=188
27 Correct 1 ms 204 KB ans=YES N=183
28 Correct 1 ms 204 KB ans=YES N=189
29 Correct 1 ms 204 KB ans=YES N=200
30 Correct 1 ms 204 KB ans=YES N=190
31 Correct 1 ms 204 KB ans=YES N=187
32 Correct 1 ms 204 KB ans=YES N=187
33 Correct 1 ms 204 KB ans=YES N=182
34 Correct 2 ms 204 KB ans=YES N=184
35 Correct 1 ms 204 KB ans=YES N=188
36 Correct 1 ms 204 KB ans=YES N=181
37 Correct 1 ms 204 KB ans=YES N=188
38 Correct 1 ms 204 KB ans=YES N=191
39 Correct 1 ms 204 KB ans=YES N=196
40 Correct 1 ms 204 KB ans=YES N=196
41 Correct 1 ms 204 KB ans=YES N=196
42 Correct 1 ms 204 KB ans=YES N=196
43 Correct 1 ms 204 KB ans=YES N=195
44 Correct 1 ms 332 KB ans=NO N=1934
45 Correct 2 ms 332 KB ans=NO N=1965
46 Correct 4 ms 460 KB ans=YES N=1824
47 Correct 4 ms 460 KB ans=YES N=1981
48 Correct 4 ms 460 KB ans=YES N=1814
49 Correct 4 ms 460 KB ans=YES N=1854
50 Correct 4 ms 460 KB ans=YES N=1831
51 Correct 5 ms 588 KB ans=YES N=2000
52 Correct 4 ms 460 KB ans=YES N=1847
53 Correct 4 ms 460 KB ans=YES N=1819
54 Correct 5 ms 588 KB ans=YES N=1986
55 Correct 4 ms 588 KB ans=YES N=2000
56 Correct 4 ms 480 KB ans=YES N=1834
57 Correct 4 ms 460 KB ans=YES N=1860
58 Correct 4 ms 588 KB ans=YES N=1898
59 Correct 4 ms 460 KB ans=YES N=1832
60 Correct 4 ms 588 KB ans=YES N=1929
61 Correct 4 ms 588 KB ans=YES N=1919
62 Correct 4 ms 588 KB ans=YES N=1882
63 Correct 4 ms 496 KB ans=YES N=1922
64 Correct 4 ms 588 KB ans=YES N=1989
65 Correct 3 ms 588 KB ans=YES N=1978
66 Correct 4 ms 460 KB ans=YES N=1867
67 Correct 4 ms 588 KB ans=YES N=1942

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 432 KB ans=NO N=1934
2 Correct 1 ms 332 KB ans=NO N=1965
3 Incorrect 4 ms 460 KB Contestant's solution is not lexicographically largest at index 1824 (1813 vs 1702)
4 Halted 0 ms 0 KB -

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB ans=YES N=1
2 Correct 0 ms 204 KB ans=YES N=4
3 Correct 0 ms 204 KB ans=NO N=4
4 Correct 1 ms 204 KB ans=YES N=5
5 Correct 0 ms 216 KB ans=YES N=9
6 Correct 1 ms 204 KB ans=YES N=5
7 Correct 0 ms 204 KB ans=NO N=9
8 Correct 1 ms 204 KB ans=NO N=10
9 Correct 1 ms 204 KB ans=YES N=10
10 Correct 1 ms 204 KB ans=YES N=10
11 Correct 0 ms 204 KB ans=YES N=10
12 Correct 1 ms 204 KB ans=YES N=9
13 Correct 1 ms 292 KB ans=YES N=9
14 Correct 1 ms 204 KB ans=YES N=8
15 Correct 0 ms 204 KB ans=YES N=8
16 Correct 1 ms 204 KB ans=NO N=2
17 Correct 1 ms 204 KB ans=YES N=17
18 Correct 0 ms 204 KB ans=YES N=25
19 Correct 1 ms 204 KB ans=YES N=100
20 Correct 1 ms 204 KB ans=YES N=185
21 Correct 1 ms 204 KB ans=NO N=174
22 Correct 1 ms 204 KB ans=YES N=90
23 Correct 1 ms 204 KB ans=YES N=63
24 Correct 1 ms 204 KB ans=YES N=87
25 Correct 1 ms 204 KB ans=YES N=183
26 Correct 1 ms 204 KB ans=YES N=188
27 Correct 1 ms 204 KB ans=YES N=183
28 Correct 1 ms 204 KB ans=YES N=189
29 Correct 1 ms 204 KB ans=YES N=200
30 Correct 1 ms 204 KB ans=YES N=190
31 Correct 1 ms 204 KB ans=YES N=187
32 Correct 1 ms 204 KB ans=YES N=187
33 Correct 1 ms 204 KB ans=YES N=182
34 Correct 2 ms 204 KB ans=YES N=184
35 Correct 1 ms 204 KB ans=YES N=188
36 Correct 1 ms 204 KB ans=YES N=181
37 Correct 1 ms 204 KB ans=YES N=188
38 Correct 1 ms 204 KB ans=YES N=191
39 Correct 1 ms 204 KB ans=YES N=196
40 Correct 1 ms 204 KB ans=YES N=196
41 Correct 1 ms 204 KB ans=YES N=196
42 Correct 1 ms 204 KB ans=YES N=196
43 Correct 1 ms 204 KB ans=YES N=195
44 Correct 1 ms 332 KB ans=NO N=1934
45 Correct 2 ms 332 KB ans=NO N=1965
46 Correct 4 ms 460 KB ans=YES N=1824
47 Correct 4 ms 460 KB ans=YES N=1981
48 Correct 4 ms 460 KB ans=YES N=1814
49 Correct 4 ms 460 KB ans=YES N=1854
50 Correct 4 ms 460 KB ans=YES N=1831
51 Correct 5 ms 588 KB ans=YES N=2000
52 Correct 4 ms 460 KB ans=YES N=1847
53 Correct 4 ms 460 KB ans=YES N=1819
54 Correct 5 ms 588 KB ans=YES N=1986
55 Correct 4 ms 588 KB ans=YES N=2000
56 Correct 4 ms 480 KB ans=YES N=1834
57 Correct 4 ms 460 KB ans=YES N=1860
58 Correct 4 ms 588 KB ans=YES N=1898
59 Correct 4 ms 460 KB ans=YES N=1832
60 Correct 4 ms 588 KB ans=YES N=1929
61 Correct 4 ms 588 KB ans=YES N=1919
62 Correct 4 ms 588 KB ans=YES N=1882
63 Correct 4 ms 496 KB ans=YES N=1922
64 Correct 4 ms 588 KB ans=YES N=1989
65 Correct 3 ms 588 KB ans=YES N=1978
66 Correct 4 ms 460 KB ans=YES N=1867
67 Correct 4 ms 588 KB ans=YES N=1942
68 Correct 164 ms 9484 KB ans=NO N=66151
69 Correct 39 ms 4780 KB ans=NO N=64333
70 Correct 194 ms 10280 KB ans=YES N=69316
71 Correct 185 ms 9788 KB ans=YES N=66695
72 Correct 196 ms 10076 KB ans=YES N=68436
73 Correct 195 ms 10300 KB ans=YES N=70000
74 Correct 206 ms 10172 KB ans=YES N=68501
75 Correct 189 ms 10300 KB ans=YES N=70000
76 Correct 162 ms 9604 KB ans=YES N=65009
77 Correct 159 ms 9968 KB ans=YES N=67007
78 Correct 151 ms 9836 KB ans=YES N=66357
79 Correct 147 ms 9644 KB ans=YES N=65430
80 Correct 147 ms 9588 KB ans=YES N=65790
81 Correct 147 ms 9664 KB ans=YES N=66020
82 Correct 154 ms 9664 KB ans=YES N=65809
83 Correct 164 ms 9788 KB ans=YES N=65651
84 Correct 155 ms 10036 KB ans=YES N=68040
85 Correct 147 ms 9788 KB ans=YES N=66570
86 Correct 170 ms 9520 KB ans=YES N=65421
87 Correct 171 ms 10044 KB ans=YES N=68351
88 Correct 202 ms 9788 KB ans=YES N=67027
89 Correct 114 ms 10260 KB ans=YES N=68879
90 Correct 197 ms 10072 KB ans=YES N=67256
91 Correct 466 ms 21660 KB ans=YES N=148315
92 Correct 117 ms 10356 KB ans=NO N=142745
93 Correct 132 ms 12568 KB ans=NO N=148443
94 Correct 486 ms 23412 KB ans=YES N=148328
95 Correct 496 ms 23344 KB ans=YES N=147855
96 Correct 481 ms 23732 KB ans=YES N=150000
97 Correct 468 ms 22880 KB ans=YES N=144725
98 Correct 489 ms 23568 KB ans=YES N=149445
99 Correct 487 ms 23092 KB ans=YES N=144455
100 Correct 481 ms 22612 KB ans=YES N=143487
101 Correct 492 ms 23464 KB ans=YES N=149688
102 Correct 381 ms 22452 KB ans=YES N=141481
103 Correct 393 ms 23284 KB ans=YES N=147430
104 Correct 404 ms 22584 KB ans=YES N=142247
105 Correct 471 ms 23868 KB ans=YES N=149941
106 Correct 371 ms 22564 KB ans=YES N=141635
107 Correct 368 ms 22448 KB ans=YES N=142896
108 Correct 401 ms 22056 KB ans=YES N=142069
109 Correct 466 ms 21812 KB ans=YES N=142378
110 Correct 409 ms 23600 KB ans=YES N=150000
111 Correct 341 ms 22100 KB ans=YES N=141452
112 Correct 313 ms 21216 KB ans=YES N=134453
113 Correct 324 ms 22576 KB ans=YES N=144172

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 171 ms 9512 KB ans=NO N=66151
2 Correct 45 ms 4812 KB ans=NO N=64333
3 Incorrect 206 ms 10128 KB Contestant's solution is not lexicographically largest at index 69316 (69235 vs 7320)
4 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 432 KB ans=NO N=1934
2 Correct 1 ms 332 KB ans=NO N=1965
3 Incorrect 4 ms 460 KB Contestant's solution is not lexicographically largest at index 1824 (1813 vs 1702)
4 Halted 0 ms 0 KB -