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Submission #598827

# Submission time Handle Problem Language Result Execution time Memory
598827 2022-07-19T06:12:37 Z 이동현(#8460) Building Skyscrapers (CEOI19_skyscrapers) C++17
0 / 100
 199 ms 6820 KB 
#include <bits/stdc++.h>

using namespace std;

int wx[8] = {-1, -1, 0, 1, 1, 1, 0, -1}, wy[8] = {0, 1, 1, 1, 0, -1, -1, -1};

signed main(){
    int n, t; cin >> n >> t;
    vector<pair<int, int>> a(n);
    map<int, map<int, int>> mp;
    vector<int> chk(n);
    vector<int> ans;
    vector<int> mn = {(int)2e9, (int)2e9};
    for(int i = 0; i < n; ++i){
        cin >> a[i].first >> a[i].second;
        mp[a[i].first][a[i].second] = i;
        mn = min(mn, vector<int>{a[i].first, a[i].second, i});
    }
    priority_queue<vector<int>> pq;
    pq.push(mn);
    while(!pq.empty()){
        auto top = pq.top(); pq.pop();
        if(chk[top[2]]){
            continue;
        }
        chk[top[2]] = 1;
        ans.push_back(top[2]);
        --mp[top[0]][top[1]];
        for(int i = 0; i < 8; ++i){
            int nx = top[0] + wx[i], ny = top[1] + wy[i];
            if(mp[nx][ny]){
                pq.push({nx, ny, mp[nx][ny]});
            }
        }
    }
    if((int)ans.size() != n){
        cout << "NO\n";
    }
    else{
        cout << "YES\n";
        for(auto&i:ans){
            cout << i + 1 << '\n';
        }
    }
    return 0;
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB ans=YES N=1
2 Runtime error 1 ms 340 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB ans=YES N=1
2 Runtime error 1 ms 340 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB ans=YES N=1
2 Runtime error 1 ms 340 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 596 KB ans=NO N=1934
2 Correct 3 ms 468 KB ans=NO N=1965
3 Incorrect 6 ms 500 KB Contestant did not find solution
4 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB ans=YES N=1
2 Runtime error 1 ms 340 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 162 ms 6820 KB ans=NO N=66151
2 Correct 48 ms 4692 KB ans=NO N=64333
3 Incorrect 199 ms 6792 KB Contestant did not find solution
4 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 596 KB ans=NO N=1934
2 Correct 3 ms 468 KB ans=NO N=1965
3 Incorrect 6 ms 500 KB Contestant did not find solution
4 Halted 0 ms 0 KB -