oj.uz

Submission #346383

# Submission time Handle Problem Language Result Execution time Memory
346383 2021-01-09T13:31:03 Z doowey Building Skyscrapers (CEOI19_skyscrapers) C++14
8 / 100
 188 ms 34532 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

int dir[8][2] = {{-1,-1},{-1,0},{-1,+1},{0,-1},{0,+1},{+1,-1},{+1,0},{+1,+1}};
map<pii,int> indx;
map<pii,int> active;
set<pii> nt;

vector<pii> fin;

void dfs(pii chk){
    active[chk]=true;
    fin.push_back(chk);
    pii nx;
    for(int dv = 0; dv < 8; dv ++ ){
        nx = mp(chk.fi + dir[dv][0], chk.se + dir[dv][1]);
        if(nt.count(nx)){
            nt.erase(nx);
            dfs(nx);
        }
    }
}

int main(){
    fastIO;
    int n;
    cin >> n;
    int ty;
    cin >> ty;
    int ii, jj;
    vector<pii> ord;

    for(int i = 1; i <= n; i ++) {
        cin >> ii >> jj;
        ord.push_back(mp(ii,jj));
        indx[mp(ii,jj)]=i;
    }
    sort(ord.begin(), ord.end());
    fin.push_back(ord[0]);
    active[ord[0]]=true;
    bool go;
    pii nx;
    for(int i = 1; i < ord.size(); i ++ ){
        go = false;
        for(int v = 0; v < 8; v ++ ){
            nx = mp(ord[i].fi+dir[v][0],ord[i].se+dir[v][1]);
            if(active[nx]) go = true;
        }
        if(go){
            dfs(ord[i]);
        }
        else{
            nt.insert(ord[i]);
        }
    }
    if(!nt.empty()){
        cout << "NO\n";
    }
    else{
        cout << "YES\n";
        for(auto x : fin){
            cout << indx[x] << " ";
        }
    }
    return 0;
}

Compilation message

skyscrapers.cpp: In function 'int main()':
skyscrapers.cpp:52:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |     for(int i = 1; i < ord.size(); i ++ ){
      |                    ~~^~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB ans=YES N=1
2 Correct 1 ms 364 KB ans=YES N=4
3 Correct 1 ms 364 KB ans=NO N=4
4 Correct 1 ms 364 KB ans=YES N=5
5 Correct 1 ms 364 KB ans=YES N=9
6 Correct 1 ms 364 KB ans=YES N=5
7 Correct 1 ms 364 KB ans=NO N=9
8 Correct 1 ms 364 KB ans=NO N=10
9 Correct 1 ms 364 KB ans=YES N=10
10 Correct 0 ms 364 KB ans=YES N=10
11 Correct 1 ms 364 KB ans=YES N=10
12 Correct 1 ms 364 KB ans=YES N=9
13 Correct 1 ms 364 KB ans=YES N=9
14 Correct 1 ms 364 KB ans=YES N=8
15 Correct 1 ms 364 KB ans=YES N=8
16 Correct 1 ms 364 KB ans=NO N=2

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB ans=YES N=1
2 Correct 1 ms 364 KB ans=YES N=4
3 Correct 1 ms 364 KB ans=NO N=4
4 Correct 1 ms 364 KB ans=YES N=5
5 Correct 1 ms 364 KB ans=YES N=9
6 Correct 1 ms 364 KB ans=YES N=5
7 Correct 1 ms 364 KB ans=NO N=9
8 Correct 1 ms 364 KB ans=NO N=10
9 Correct 1 ms 364 KB ans=YES N=10
10 Correct 0 ms 364 KB ans=YES N=10
11 Correct 1 ms 364 KB ans=YES N=10
12 Correct 1 ms 364 KB ans=YES N=9
13 Correct 1 ms 364 KB ans=YES N=9
14 Correct 1 ms 364 KB ans=YES N=8
15 Correct 1 ms 364 KB ans=YES N=8
16 Correct 1 ms 364 KB ans=NO N=2
17 Correct 1 ms 364 KB ans=YES N=17
18 Correct 1 ms 364 KB ans=YES N=25
19 Correct 1 ms 364 KB ans=YES N=100
20 Correct 1 ms 364 KB ans=YES N=185
21 Correct 1 ms 492 KB ans=NO N=174
22 Correct 1 ms 364 KB ans=YES N=90
23 Correct 1 ms 364 KB ans=YES N=63
24 Correct 1 ms 364 KB ans=YES N=87
25 Correct 1 ms 364 KB ans=YES N=183
26 Correct 1 ms 364 KB ans=YES N=188
27 Correct 1 ms 364 KB ans=YES N=183
28 Correct 1 ms 364 KB ans=YES N=189
29 Correct 1 ms 364 KB ans=YES N=200
30 Correct 1 ms 364 KB ans=YES N=190
31 Correct 1 ms 364 KB ans=YES N=187
32 Correct 1 ms 364 KB ans=YES N=187
33 Correct 1 ms 364 KB ans=YES N=182
34 Correct 1 ms 364 KB ans=YES N=184
35 Correct 1 ms 364 KB ans=YES N=188
36 Correct 1 ms 364 KB ans=YES N=181
37 Incorrect 1 ms 384 KB Added cell 151 (-866175210,267653114) not reachable from infinity
38 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB ans=YES N=1
2 Correct 1 ms 364 KB ans=YES N=4
3 Correct 1 ms 364 KB ans=NO N=4
4 Correct 1 ms 364 KB ans=YES N=5
5 Correct 1 ms 364 KB ans=YES N=9
6 Correct 1 ms 364 KB ans=YES N=5
7 Correct 1 ms 364 KB ans=NO N=9
8 Correct 1 ms 364 KB ans=NO N=10
9 Correct 1 ms 364 KB ans=YES N=10
10 Correct 0 ms 364 KB ans=YES N=10
11 Correct 1 ms 364 KB ans=YES N=10
12 Correct 1 ms 364 KB ans=YES N=9
13 Correct 1 ms 364 KB ans=YES N=9
14 Correct 1 ms 364 KB ans=YES N=8
15 Correct 1 ms 364 KB ans=YES N=8
16 Correct 1 ms 364 KB ans=NO N=2
17 Correct 1 ms 364 KB ans=YES N=17
18 Correct 1 ms 364 KB ans=YES N=25
19 Correct 1 ms 364 KB ans=YES N=100
20 Correct 1 ms 364 KB ans=YES N=185
21 Correct 1 ms 492 KB ans=NO N=174
22 Correct 1 ms 364 KB ans=YES N=90
23 Correct 1 ms 364 KB ans=YES N=63
24 Correct 1 ms 364 KB ans=YES N=87
25 Correct 1 ms 364 KB ans=YES N=183
26 Correct 1 ms 364 KB ans=YES N=188
27 Correct 1 ms 364 KB ans=YES N=183
28 Correct 1 ms 364 KB ans=YES N=189
29 Correct 1 ms 364 KB ans=YES N=200
30 Correct 1 ms 364 KB ans=YES N=190
31 Correct 1 ms 364 KB ans=YES N=187
32 Correct 1 ms 364 KB ans=YES N=187
33 Correct 1 ms 364 KB ans=YES N=182
34 Correct 1 ms 364 KB ans=YES N=184
35 Correct 1 ms 364 KB ans=YES N=188
36 Correct 1 ms 364 KB ans=YES N=181
37 Incorrect 1 ms 384 KB Added cell 151 (-866175210,267653114) not reachable from infinity
38 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1516 KB ans=NO N=1934
2 Correct 4 ms 876 KB ans=NO N=1965
3 Incorrect 3 ms 620 KB Contestant's solution is not lexicographically largest at index 1824 (1813 vs 1702)
4 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB ans=YES N=1
2 Correct 1 ms 364 KB ans=YES N=4
3 Correct 1 ms 364 KB ans=NO N=4
4 Correct 1 ms 364 KB ans=YES N=5
5 Correct 1 ms 364 KB ans=YES N=9
6 Correct 1 ms 364 KB ans=YES N=5
7 Correct 1 ms 364 KB ans=NO N=9
8 Correct 1 ms 364 KB ans=NO N=10
9 Correct 1 ms 364 KB ans=YES N=10
10 Correct 0 ms 364 KB ans=YES N=10
11 Correct 1 ms 364 KB ans=YES N=10
12 Correct 1 ms 364 KB ans=YES N=9
13 Correct 1 ms 364 KB ans=YES N=9
14 Correct 1 ms 364 KB ans=YES N=8
15 Correct 1 ms 364 KB ans=YES N=8
16 Correct 1 ms 364 KB ans=NO N=2
17 Correct 1 ms 364 KB ans=YES N=17
18 Correct 1 ms 364 KB ans=YES N=25
19 Correct 1 ms 364 KB ans=YES N=100
20 Correct 1 ms 364 KB ans=YES N=185
21 Correct 1 ms 492 KB ans=NO N=174
22 Correct 1 ms 364 KB ans=YES N=90
23 Correct 1 ms 364 KB ans=YES N=63
24 Correct 1 ms 364 KB ans=YES N=87
25 Correct 1 ms 364 KB ans=YES N=183
26 Correct 1 ms 364 KB ans=YES N=188
27 Correct 1 ms 364 KB ans=YES N=183
28 Correct 1 ms 364 KB ans=YES N=189
29 Correct 1 ms 364 KB ans=YES N=200
30 Correct 1 ms 364 KB ans=YES N=190
31 Correct 1 ms 364 KB ans=YES N=187
32 Correct 1 ms 364 KB ans=YES N=187
33 Correct 1 ms 364 KB ans=YES N=182
34 Correct 1 ms 364 KB ans=YES N=184
35 Correct 1 ms 364 KB ans=YES N=188
36 Correct 1 ms 364 KB ans=YES N=181
37 Incorrect 1 ms 384 KB Added cell 151 (-866175210,267653114) not reachable from infinity
38 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 120 ms 13152 KB ans=NO N=66151
2 Correct 188 ms 34532 KB ans=NO N=64333
3 Incorrect 130 ms 11488 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 4 ms 1516 KB ans=NO N=1934
2 Correct 4 ms 876 KB ans=NO N=1965
3 Incorrect 3 ms 620 KB Contestant's solution is not lexicographically largest at index 1824 (1813 vs 1702)
4 Halted 0 ms 0 KB -