oj.uz

Submission #787389

# Submission time Handle Problem Language Result Execution time Memory
787389 2023-07-19T06:43:34 Z 이동현(#10034) Hamburg Steak (JOI20_hamburg) C++17
0 / 100
 3000 ms 1420 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
using namespace std;

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n, k;
    cin >> n >> k;
    vector<vector<int>> a(n, vector<int>(4));
    for(int i = 0; i < n; ++i){
        cin >> a[i][0] >> a[i][1] >> a[i][2] >> a[i][3];
    }

    auto solve4 = [&](vector<vector<int>> a, int onex, int oney)->void{
        int n = (int)a.size();
        if(!n){
            for(int i = 0; i < 4; ++i){
                cout << onex << ' ' << oney << '\n';
            }
        }
        auto chk = [&](vector<vector<int>> x, vector<vector<int>> pos){
            for(int i = 0; i < (int)x.size(); ++i){
                int ok = 0;
                for(auto&j:pos){
                    if(j[0] >= x[i][0] && j[0] <= x[i][2] && j[1] >= x[i][1] && j[1] <= x[i][3]){
                        ok = 1;
                        break;
                    }
                }
                if(!ok) return 0;
            }
            return 1;
        };

        auto solve1 = [&](vector<vector<int>> x)->vector<int>{
            int xp = 1, yp = 1;
            for(int i = 0; i < (int)x.size(); ++i){
                xp = max(xp, x[i][0]);
                yp = max(yp, x[i][1]);
            }

            if(chk(x, {{xp, yp}})){
                return {1, xp, yp};
            }
            return {0};
        };

        int xu = (int)2e9, xd = -1, yl = (int)2e9, yr = -1;
        for(int i = 0; i < n; ++i){
            xu = min(xu, a[i][2]);
            xd = max(xd, a[i][0]);
            yl = min(yl, a[i][3]);
            yr = max(yr, a[i][1]);
        }

        auto solveline = [&](vector<vector<int>> x){
            vector<int> rv;
            sort(x.begin(), x.end(), [&](vector<int>&a, vector<int>&b){return a[1] < b[1];});
            for(int i = 0; i < (int)x.size(); ++i){
                if(!(int)rv.size() || rv.back() < x[i][0]){
                    rv.push_back(x[i][1]);
                }
            }
            return rv;
        };

        if(xd <= xu){
            vector<vector<int>> x(n);
            for(int i = 0; i < n; ++i){
                x[i] = {a[i][1], a[i][3]};
            }
            auto rv = solveline(x);
            if((int)rv.size() <= 3){
                for(int i = 0; i < 3; ++i){
                    cout << xd << ' ' << (i < (int)rv.size() ? rv[i] : rv.back()) << '\n';
                }
                cout << onex << ' ' << oney << '\n';
                exit(0);
            }
        }
        if(yr <= yl){
            vector<vector<int>> x(n);
            for(int i = 0; i < n; ++i){
                x[i] = {a[i][0], a[i][2]};
            }
            auto rv = solveline(x);
            if((int)rv.size() <= 3){
                for(int i = 0; i < 3; ++i){
                    cout << (i < (int)rv.size() ? rv[i] : rv.back()) << ' ' << yl << '\n';
                }
                cout << onex << ' ' << oney << '\n';
                exit(0);
            }
        }

        auto solve2 = [&](vector<vector<int>> x, int px, int py, int ppx, int ppy){
            vector<vector<int>> nxt;
            for(auto&i:x){
                if(!(px >= i[0] && px <= i[2] && py >= i[1] && py <= i[3])){
                    nxt.push_back(i);
                }
            }
            auto rv = solve1(nxt);
            if(rv[0] == 1){
                cout << px << ' ' << py << '\n' << rv[1] << ' ' << rv[2] << '\n' << ppx << ' ' << ppy << '\n';
                cout << onex << ' ' << oney << '\n';
                exit(0);
            }
        };

        auto solve3 = [&](vector<vector<int>> x, int px, int py){
            vector<vector<int>> nxt;
            for(auto&i:x){
                if(!(px >= i[0] && px <= i[2] && py >= i[1] && py <= i[3])){
                    nxt.push_back(i);
                }
            }

            int xu = (int)2e9, yl = (int)2e9, yr = -1;
            for(int i = 0; i < (int)nxt.size(); ++i){
                xu = min(xu, nxt[i][2]);
                yl = min(yl, nxt[i][3]);
                yr = max(yr, nxt[i][1]);
            }

            solve2(nxt, xu, yl, px, py);
            solve2(nxt, xu, yr, px, py);
        };

        solve3(a, xu, yl);
        solve3(a, xu, yr);
        solve3(a, xd, yl);
        solve3(a, xd, yr);
    };

    int x1 = (int)2e9;
    for(int i = 0; i < n; ++i){
        x1 = min(x1, a[i][2]);
    }
    for(int i = 0; i < n; ++i){
        vector<vector<int>> nxt;
        auto sol = [&](int px, int py){
            vector<vector<int>> nxt;
            for(auto&i:a){
                if(!(px >= i[0] && px <= i[2] && py >= i[1] && py <= i[3])){
                    nxt.push_back(i);
                }
            }

            solve4(nxt, px, py);
        };
        sol(x1, a[i][1]);
        sol(x1, a[i][3]);
    }

    return 0;
}

Subtask #1
0 / 1.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 596 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 1.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 724 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 596 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 932 KB Output is correct
2 Correct 2 ms 852 KB Output is correct
3 Correct 72 ms 992 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 129 ms 1068 KB Output is correct
6 Correct 83 ms 996 KB Output is correct
7 Correct 2723 ms 1420 KB Output is correct
8 Correct 65 ms 1148 KB Output is correct
9 Correct 123 ms 1108 KB Output is correct
10 Correct 78 ms 1108 KB Output is correct
11 Correct 199 ms 1224 KB Output is correct
12 Correct 63 ms 980 KB Output is correct
13 Correct 140 ms 1232 KB Output is correct
14 Correct 1068 ms 1316 KB Output is correct
15 Correct 794 ms 1264 KB Output is correct
16 Correct 262 ms 1224 KB Output is correct
17 Correct 1452 ms 1244 KB Output is correct
18 Correct 128 ms 1236 KB Output is correct
19 Correct 849 ms 1256 KB Output is correct
20 Correct 2783 ms 1332 KB Output is correct
21 Correct 2375 ms 1336 KB Output is correct
22 Correct 304 ms 1360 KB Output is correct
23 Correct 245 ms 1300 KB Output is correct
24 Correct 616 ms 1292 KB Output is correct
25 Correct 847 ms 1388 KB Output is correct
26 Correct 563 ms 1364 KB Output is correct
27 Correct 73 ms 1260 KB Output is correct
28 Correct 163 ms 1152 KB Output is correct
29 Correct 789 ms 1148 KB Output is correct
30 Correct 602 ms 1336 KB Output is correct
31 Correct 1255 ms 1372 KB Output is correct
32 Correct 31 ms 1072 KB Output is correct
33 Correct 147 ms 1196 KB Output is correct
34 Correct 126 ms 1160 KB Output is correct
35 Correct 443 ms 1268 KB Output is correct
36 Correct 579 ms 1212 KB Output is correct
37 Execution timed out 3070 ms 1284 KB Time limit exceeded
38 Halted 0 ms 0 KB -

Subtask #5
0 / 1.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 596 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 724 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 596 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 79.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 932 KB Output is correct
2 Correct 2 ms 852 KB Output is correct
3 Correct 72 ms 992 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 129 ms 1068 KB Output is correct
6 Correct 83 ms 996 KB Output is correct
7 Correct 2723 ms 1420 KB Output is correct
8 Correct 65 ms 1148 KB Output is correct
9 Correct 123 ms 1108 KB Output is correct
10 Correct 78 ms 1108 KB Output is correct
11 Correct 199 ms 1224 KB Output is correct
12 Correct 63 ms 980 KB Output is correct
13 Correct 140 ms 1232 KB Output is correct
14 Correct 1068 ms 1316 KB Output is correct
15 Correct 794 ms 1264 KB Output is correct
16 Correct 262 ms 1224 KB Output is correct
17 Correct 1452 ms 1244 KB Output is correct
18 Correct 128 ms 1236 KB Output is correct
19 Correct 849 ms 1256 KB Output is correct
20 Correct 2783 ms 1332 KB Output is correct
21 Correct 2375 ms 1336 KB Output is correct
22 Correct 304 ms 1360 KB Output is correct
23 Correct 245 ms 1300 KB Output is correct
24 Correct 616 ms 1292 KB Output is correct
25 Correct 847 ms 1388 KB Output is correct
26 Correct 563 ms 1364 KB Output is correct
27 Correct 73 ms 1260 KB Output is correct
28 Correct 163 ms 1152 KB Output is correct
29 Correct 789 ms 1148 KB Output is correct
30 Correct 602 ms 1336 KB Output is correct
31 Correct 1255 ms 1372 KB Output is correct
32 Correct 31 ms 1072 KB Output is correct
33 Correct 147 ms 1196 KB Output is correct
34 Correct 126 ms 1160 KB Output is correct
35 Correct 443 ms 1268 KB Output is correct
36 Correct 579 ms 1212 KB Output is correct
37 Execution timed out 3070 ms 1284 KB Time limit exceeded
38 Halted 0 ms 0 KB -