oj.uz

Submission #588037

# Submission time Handle Problem Language Result Execution time Memory
588037 2022-07-02T16:26:34 Z Clan328 Fountain Parks (IOI21_parks) C++17
5 / 100
 103 ms 16504 KB 
#include "parks.h"
#include <bits/stdc++.h>

using namespace std;

#define pb push_back

struct Coord {
    int x, y, i;

    bool operator<(Coord other) const  {
        if (y == other.y) {
            return x < other.x;
        }
        return y < other.y;
    }
};

int construct_roads(std::vector<int> x, std::vector<int> y) {
    if (x.size() == 1) {
        build({}, {}, {}, {});
        return 1;
    }  
    std::vector<int> u, v, a, b;

    int n = x.size();

    vector<pair<int, int>> yi(n);
    vector<Coord> coords(n);
    for (int i = 0; i < n; i++) {
        coords[i] = {x[i], y[i], i};
    }

    sort(coords.begin(), coords.end());
    bool res = true;
    for (int i = 0; i < n-1; i++) {
        if (coords[i].y+2 < coords[i+1].y) res = false;
        if (coords[i].x == coords[i+1].x) {
            u.pb(coords[i].i);
            v.pb(coords[i+1].i);
            a.pb(coords[i].x+1);
            b.pb(coords[i].y+1);
        } else if (coords[i].y == coords[i+1].y) {
            u.pb(coords[i].i);
            v.pb(coords[i+1].i);
            a.pb(coords[i].x+1);
            b.pb(coords[i].y-1);
        }
        // res &= yi[i].first+2 == yi[i+1].first;
        // u.pb(yi[i].second);
        // v.pb(yi[i+1].second);
        // a.pb(3);
        // b.pb(yi[i].first+1);
    }

    if (!res) return 0;

    
    // int maxY = 0;
    // for (int i = 0; i < y.size(); i++) maxY = max(maxY, y[i]);

    // vvi mat(maxY/2-1, vi(3)), matIdx(maxY/2-1, vi(3));
    // for (int i = 0; i < x.size(); i++) {
    //     mat[x[i]/2-1][y[i]/2-1] = 1;
    //     matIdx[x[i]/2-1][y[i]/2-1] = i;
    // }



    build(u, v, a, b);
    return 1;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 284 KB Output is correct
7 Correct 1 ms 300 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 54 ms 9376 KB Output is correct
10 Correct 6 ms 1364 KB Output is correct
11 Correct 27 ms 5320 KB Output is correct
12 Correct 8 ms 1700 KB Output is correct
13 Correct 8 ms 3028 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 56 ms 9500 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 284 KB Output is correct
7 Correct 1 ms 300 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 54 ms 9376 KB Output is correct
10 Correct 6 ms 1364 KB Output is correct
11 Correct 27 ms 5320 KB Output is correct
12 Correct 8 ms 1700 KB Output is correct
13 Correct 8 ms 3028 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 56 ms 9500 KB Output is correct
17 Incorrect 1 ms 212 KB Given structure is not connected: There is no path between vertices 0 and 2
18 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 284 KB Output is correct
7 Correct 1 ms 300 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 54 ms 9376 KB Output is correct
10 Correct 6 ms 1364 KB Output is correct
11 Correct 27 ms 5320 KB Output is correct
12 Correct 8 ms 1700 KB Output is correct
13 Correct 8 ms 3028 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 56 ms 9500 KB Output is correct
17 Incorrect 1 ms 212 KB Given structure is not connected: There is no path between vertices 0 and 2
18 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 284 KB Output is correct
7 Correct 1 ms 300 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 54 ms 9376 KB Output is correct
10 Correct 6 ms 1364 KB Output is correct
11 Correct 27 ms 5320 KB Output is correct
12 Correct 8 ms 1700 KB Output is correct
13 Correct 8 ms 3028 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 56 ms 9500 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Incorrect 1 ms 212 KB Given structure is not connected: There is no path between vertices 0 and 1
19 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 284 KB Output is correct
7 Correct 1 ms 300 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 54 ms 9376 KB Output is correct
10 Correct 6 ms 1364 KB Output is correct
11 Correct 27 ms 5320 KB Output is correct
12 Correct 8 ms 1700 KB Output is correct
13 Correct 8 ms 3028 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 56 ms 9500 KB Output is correct
17 Incorrect 103 ms 16504 KB Pair u[50000]=112394 @(2, 4) and v[50000]=87394 @(100002, 4) does not form a valid edge (distance != 2)
18 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 284 KB Output is correct
7 Correct 1 ms 300 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 54 ms 9376 KB Output is correct
10 Correct 6 ms 1364 KB Output is correct
11 Correct 27 ms 5320 KB Output is correct
12 Correct 8 ms 1700 KB Output is correct
13 Correct 8 ms 3028 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 56 ms 9500 KB Output is correct
17 Incorrect 1 ms 212 KB Given structure is not connected: There is no path between vertices 0 and 2
18 Halted 0 ms 0 KB -