oj.uz

Submission #1021062

# Submission time Handle Problem Language Result Execution time Memory
1021062 2024-07-12T13:31:35 Z mdn2002 Fountain Parks (IOI21_parks) C++17
15 / 100
 844 ms 109616 KB 
/*
Mayoeba Yabureru
*/
#include "parks.h"
#include<bits/stdc++.h>
using namespace std;
static vector<int> _u, _v, _a, _b;

int construct_roads(vector<int> x, vector<int> y) {
    int n = x.size();
    vector<vector<int>> gr(n + 1);
    x.insert(x.begin(), 0);
    y.insert(y.begin(), 0);
    map<pair<int, int>, int> mp;
    for (int i = 1; i <= n; i ++) mp[{x[i], y[i]}] = i;
    vector<int> u, v, a, b;

    map<pair<int, int>, int> taken;
   
    for (int i = 1; i <= n; i ++) {
        if (mp[{x[i] + 2, y[i]}]) {
            u.push_back(i), v.push_back(mp[{x[i] + 2, y[i]}]);
            if (taken[{x[i] + 1, y[i] + 1}] == 0) {
                a.push_back(x[i] + 1), b.push_back(y[i] + 1);
                taken[{x[i] + 1, y[i] + 1}] = 1;
            }
            else if (taken[{x[i] + 1, y[i] - 1}] == 0) {
                a.push_back(x[i] + 1), b.push_back(y[i] - 1);
                taken[{x[i] + 1, y[i] - 1}] = 1;
            }
            else assert(0);

            gr[i].push_back(mp[{x[i] + 2, y[i]}]);
            gr[mp[{x[i] + 2, y[i]}]].push_back(i);
        }
        if (mp[{x[i], y[i] + 2}]) {
            u.push_back(i), v.push_back(mp[{x[i], y[i] + 2}]);
            if (taken[{x[i] + 1, y[i] + 1}] == 0) {
                a.push_back(x[i] + 1), b.push_back(y[i] + 1);
                taken[{x[i] + 1, y[i] + 1}] = 1;
            }
            else if (taken[{x[i] - 1, y[i] + 1}] == 0) {
                a.push_back(x[i] - 1), b.push_back(y[i] + 1);
                taken[{x[i] - 1, y[i] + 1}] = 1;
            }
            else assert(0);

            gr[i].push_back(mp[{x[i], y[i] + 2}]);
            gr[mp[{x[i], y[i] + 2}]].push_back(i);
        }
        
    }
    for (int i = 0; i < u.size(); i ++) {
        u[i] --;
        v[i] --;
    }
    int num = 0;
    vector<int> vis(n + 1);
    function<void(int)> go = [&] (int x) {
        num ++;
        vis[x] = 1;
        for (auto u : gr[x]) {
            if (vis[u]) continue;
            go(u);
        }
    };
    go(1);

    if (num == n) {
        build(u, v, a, b);
        return 1;
    }
    return 0;
}

Compilation message

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:53:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |     for (int i = 0; i < u.size(); i ++) {
      |                     ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 250 ms 38048 KB Output is correct
10 Correct 12 ms 4208 KB Output is correct
11 Correct 72 ms 20912 KB Output is correct
12 Correct 17 ms 5980 KB Output is correct
13 Correct 49 ms 14884 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 263 ms 35564 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 250 ms 38048 KB Output is correct
10 Correct 12 ms 4208 KB Output is correct
11 Correct 72 ms 20912 KB Output is correct
12 Correct 17 ms 5980 KB Output is correct
13 Correct 49 ms 14884 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 263 ms 35564 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 844 ms 76768 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 5 ms 1248 KB Output is correct
27 Correct 8 ms 1628 KB Output is correct
28 Correct 241 ms 31256 KB Output is correct
29 Correct 399 ms 46156 KB Output is correct
30 Correct 616 ms 62568 KB Output is correct
31 Correct 811 ms 76068 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 604 KB Output is correct
39 Correct 0 ms 344 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 4 ms 860 KB Output is correct
44 Correct 4 ms 1116 KB Output is correct
45 Correct 264 ms 35136 KB Output is correct
46 Correct 468 ms 51424 KB Output is correct
47 Correct 495 ms 50912 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 250 ms 38048 KB Output is correct
10 Correct 12 ms 4208 KB Output is correct
11 Correct 72 ms 20912 KB Output is correct
12 Correct 17 ms 5980 KB Output is correct
13 Correct 49 ms 14884 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 263 ms 35564 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 844 ms 76768 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 5 ms 1248 KB Output is correct
27 Correct 8 ms 1628 KB Output is correct
28 Correct 241 ms 31256 KB Output is correct
29 Correct 399 ms 46156 KB Output is correct
30 Correct 616 ms 62568 KB Output is correct
31 Correct 811 ms 76068 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 604 KB Output is correct
39 Correct 0 ms 344 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 4 ms 860 KB Output is correct
44 Correct 4 ms 1116 KB Output is correct
45 Correct 264 ms 35136 KB Output is correct
46 Correct 468 ms 51424 KB Output is correct
47 Correct 495 ms 50912 KB Output is correct
48 Correct 1 ms 344 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Runtime error 1 ms 604 KB Execution killed with signal 6
51 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 250 ms 38048 KB Output is correct
10 Correct 12 ms 4208 KB Output is correct
11 Correct 72 ms 20912 KB Output is correct
12 Correct 17 ms 5980 KB Output is correct
13 Correct 49 ms 14884 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 263 ms 35564 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 613 ms 70964 KB Output is correct
21 Correct 725 ms 74532 KB Output is correct
22 Correct 660 ms 66864 KB Output is correct
23 Correct 550 ms 61728 KB Output is correct
24 Correct 420 ms 48120 KB Output is correct
25 Correct 714 ms 57648 KB Output is correct
26 Correct 702 ms 57752 KB Output is correct
27 Runtime error 112 ms 44520 KB Execution killed with signal 6
28 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 250 ms 38048 KB Output is correct
10 Correct 12 ms 4208 KB Output is correct
11 Correct 72 ms 20912 KB Output is correct
12 Correct 17 ms 5980 KB Output is correct
13 Correct 49 ms 14884 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 263 ms 35564 KB Output is correct
17 Correct 730 ms 76856 KB Output is correct
18 Runtime error 607 ms 109616 KB Execution killed with signal 6
19 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 250 ms 38048 KB Output is correct
10 Correct 12 ms 4208 KB Output is correct
11 Correct 72 ms 20912 KB Output is correct
12 Correct 17 ms 5980 KB Output is correct
13 Correct 49 ms 14884 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 263 ms 35564 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 844 ms 76768 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 5 ms 1248 KB Output is correct
27 Correct 8 ms 1628 KB Output is correct
28 Correct 241 ms 31256 KB Output is correct
29 Correct 399 ms 46156 KB Output is correct
30 Correct 616 ms 62568 KB Output is correct
31 Correct 811 ms 76068 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 604 KB Output is correct
39 Correct 0 ms 344 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 4 ms 860 KB Output is correct
44 Correct 4 ms 1116 KB Output is correct
45 Correct 264 ms 35136 KB Output is correct
46 Correct 468 ms 51424 KB Output is correct
47 Correct 495 ms 50912 KB Output is correct
48 Correct 1 ms 344 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Runtime error 1 ms 604 KB Execution killed with signal 6
51 Halted 0 ms 0 KB -