oj.uz

Submission #615643

# Submission time Handle Problem Language Result Execution time Memory
615643 2022-07-31T11:28:15 Z HamletPetrosyan Fountain Parks (IOI21_parks) C++17
30 / 100
 170 ms 19808 KB 
#include "parks.h"
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

#define ll long long
#define add push_back
#define len(a) ((int)(a).size())
#define all(a) a.begin(), a.end()
#define pii pair<pair<int, int>, int>
#define fr first.first
#define sc first.second
#define index second

const int N = 2e5 + 5;

int parent[N], sz[N];
bool point[N][2];

void make_set(int v) {
    parent[v] = v;
    sz[v] = 1;
}

int find_set(int v) {
    if (v == parent[v])
        return v;
    return parent[v] = find_set(parent[v]);
}

void union_sets(int a, int b) {
    a = find_set(a);
    b = find_set(b);
    if (a != b) {
        if (sz[a] < sz[b])
            swap(a, b);
        parent[b] = a;
        sz[a] += sz[b];
    }
}

int construct_roads(vector<int> x, vector<int> y) {
    if (len(x) == 1) {
		build({}, {}, {}, {});
        return 1;
    }

	vector<pii> vec;
	for(int i = 0; i < len(x); i++){
		vec.add({{x[i], y[i]}, i});
		make_set(i);
	}
	sort(all(vec));

	vector<int> u, v, a, b;

	int qanak = 1;
	for(int i = 1; i < len(vec); i++){
		if(vec[i].fr != vec[i - 1].fr) qanak++;
		else if(vec[i].sc - vec[i - 1].sc == 2) {
			u.add(vec[i - 1].index);
			v.add(vec[i].index);
			union_sets(vec[i - 1].index, vec[i].index);
		}
	}
	for(int i = 0; i < len(vec); i++) swap(vec[i].fr, vec[i].sc);
	sort(all(vec));

//	for(int i = 0; i < len(vec); i++){
//		cout << vec[i].fr << " " << vec[i].sc << endl;
//	}
//	cout << "---------" << endl;

	for(int i = 1; i < len(vec); i++){
		if(vec[i].fr == vec[i - 1].fr && vec[i].sc - vec[i - 1].sc == 2){
			if(find_set(vec[i].index) != find_set(vec[i - 1].index)){
				u.add(vec[i - 1].index);
				v.add(vec[i].index);
				union_sets(vec[i - 1].index, vec[i].index);
			}
		}
	}

//	for(int i = 0; i < len(u); i++){
//		cout << u[i] << " " << v[i] << endl;
//	}

	for(int i = 1; i < len(x); i++){
		if(find_set(i) != find_set(i - 1)){
			return 0;
		}
	}

	a.resize(len(u));
	b.resize(len(u));

	for(int i = 0; i < len(u); i++){
		if(x[u[i]] != x[v[i]]){
			if(x[u[i]] == 2 || x[v[i]] == 2){
				a[i] = 3;
				b[i] = y[u[i]] + 1;
				point[y[u[i]] + 1][0] = true;
			}
			continue;
		}
		if(x[u[i]] == 2){
			a[i] = x[u[i]] - 1;
			b[i] = min(y[u[i]], y[v[i]]) + 1;
		}
		if(x[u[i]] == 6){
			a[i] = x[u[i]] + 1;
			b[i] = min(y[u[i]], y[v[i]]) + 1;
		}
	}

	for(int i = 0; i < len(u); i++){
		if(x[u[i]] == x[v[i]] && x[u[i]] == 4){
			b[i] = min(y[u[i]], y[v[i]]) + 1;
			if(!point[b[i]][0]){
				a[i] = x[u[i]] - 1;
			}
			else {
				a[i] = x[u[i]] + 1;
				point[b[i]][1] = true;
			}
		}
	}

	for(int i = 0; i < len(u); i++){
		if(x[u[i]] != x[v[i]] && (x[u[i]] == 6 || x[v[i]] == 6)){
			a[i] = 5;
			b[i] = y[u[i]] + 1;
			if(point[b[i]][1]) b[i] -= 2;
		}
	}

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

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 212 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 212 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 63 ms 9892 KB Output is correct
10 Correct 6 ms 1184 KB Output is correct
11 Correct 27 ms 5288 KB Output is correct
12 Correct 8 ms 1712 KB Output is correct
13 Correct 15 ms 2896 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 64 ms 9800 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 212 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 212 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 63 ms 9892 KB Output is correct
10 Correct 6 ms 1184 KB Output is correct
11 Correct 27 ms 5288 KB Output is correct
12 Correct 8 ms 1712 KB Output is correct
13 Correct 15 ms 2896 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 64 ms 9800 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 308 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 308 KB Output is correct
22 Correct 1 ms 312 KB Output is correct
23 Correct 151 ms 19232 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 2 ms 468 KB Output is correct
27 Correct 3 ms 468 KB Output is correct
28 Correct 55 ms 7728 KB Output is correct
29 Correct 84 ms 11780 KB Output is correct
30 Correct 122 ms 15172 KB Output is correct
31 Correct 152 ms 19320 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 312 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 316 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 2 ms 468 KB Output is correct
45 Correct 78 ms 10220 KB Output is correct
46 Correct 112 ms 14164 KB Output is correct
47 Correct 110 ms 14148 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 212 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 212 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 63 ms 9892 KB Output is correct
10 Correct 6 ms 1184 KB Output is correct
11 Correct 27 ms 5288 KB Output is correct
12 Correct 8 ms 1712 KB Output is correct
13 Correct 15 ms 2896 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 64 ms 9800 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 308 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 308 KB Output is correct
22 Correct 1 ms 312 KB Output is correct
23 Correct 151 ms 19232 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 2 ms 468 KB Output is correct
27 Correct 3 ms 468 KB Output is correct
28 Correct 55 ms 7728 KB Output is correct
29 Correct 84 ms 11780 KB Output is correct
30 Correct 122 ms 15172 KB Output is correct
31 Correct 152 ms 19320 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 312 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 316 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 2 ms 468 KB Output is correct
45 Correct 78 ms 10220 KB Output is correct
46 Correct 112 ms 14164 KB Output is correct
47 Correct 110 ms 14148 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 1 ms 312 KB Output is correct
55 Correct 133 ms 19168 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 1 ms 468 KB Output is correct
58 Correct 4 ms 980 KB Output is correct
59 Correct 4 ms 920 KB Output is correct
60 Correct 78 ms 9772 KB Output is correct
61 Correct 91 ms 12820 KB Output is correct
62 Correct 109 ms 15748 KB Output is correct
63 Correct 136 ms 19316 KB Output is correct
64 Correct 1 ms 212 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 1 ms 308 KB Output is correct
67 Correct 150 ms 19304 KB Output is correct
68 Correct 145 ms 19292 KB Output is correct
69 Correct 146 ms 19176 KB Output is correct
70 Correct 2 ms 468 KB Output is correct
71 Correct 4 ms 724 KB Output is correct
72 Correct 68 ms 9932 KB Output is correct
73 Correct 106 ms 14640 KB Output is correct
74 Correct 170 ms 19808 KB Output is correct
75 Correct 136 ms 19540 KB Output is correct
76 Correct 153 ms 19292 KB Output is correct
77 Correct 2 ms 596 KB Output is correct
78 Correct 3 ms 852 KB Output is correct
79 Correct 66 ms 9956 KB Output is correct
80 Correct 119 ms 14552 KB Output is correct
81 Correct 140 ms 19704 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 212 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 212 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 63 ms 9892 KB Output is correct
10 Correct 6 ms 1184 KB Output is correct
11 Correct 27 ms 5288 KB Output is correct
12 Correct 8 ms 1712 KB Output is correct
13 Correct 15 ms 2896 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 64 ms 9800 KB Output is correct
17 Incorrect 1 ms 212 KB a[0] = 0 is not an odd integer
18 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 212 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 212 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 63 ms 9892 KB Output is correct
10 Correct 6 ms 1184 KB Output is correct
11 Correct 27 ms 5288 KB Output is correct
12 Correct 8 ms 1712 KB Output is correct
13 Correct 15 ms 2896 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 64 ms 9800 KB Output is correct
17 Incorrect 147 ms 19344 KB a[50000] = 0 is not an odd integer
18 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 212 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 212 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 63 ms 9892 KB Output is correct
10 Correct 6 ms 1184 KB Output is correct
11 Correct 27 ms 5288 KB Output is correct
12 Correct 8 ms 1712 KB Output is correct
13 Correct 15 ms 2896 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 64 ms 9800 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 308 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 308 KB Output is correct
22 Correct 1 ms 312 KB Output is correct
23 Correct 151 ms 19232 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 2 ms 468 KB Output is correct
27 Correct 3 ms 468 KB Output is correct
28 Correct 55 ms 7728 KB Output is correct
29 Correct 84 ms 11780 KB Output is correct
30 Correct 122 ms 15172 KB Output is correct
31 Correct 152 ms 19320 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 312 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 316 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 2 ms 468 KB Output is correct
45 Correct 78 ms 10220 KB Output is correct
46 Correct 112 ms 14164 KB Output is correct
47 Correct 110 ms 14148 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 1 ms 312 KB Output is correct
55 Correct 133 ms 19168 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 1 ms 468 KB Output is correct
58 Correct 4 ms 980 KB Output is correct
59 Correct 4 ms 920 KB Output is correct
60 Correct 78 ms 9772 KB Output is correct
61 Correct 91 ms 12820 KB Output is correct
62 Correct 109 ms 15748 KB Output is correct
63 Correct 136 ms 19316 KB Output is correct
64 Correct 1 ms 212 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 1 ms 308 KB Output is correct
67 Correct 150 ms 19304 KB Output is correct
68 Correct 145 ms 19292 KB Output is correct
69 Correct 146 ms 19176 KB Output is correct
70 Correct 2 ms 468 KB Output is correct
71 Correct 4 ms 724 KB Output is correct
72 Correct 68 ms 9932 KB Output is correct
73 Correct 106 ms 14640 KB Output is correct
74 Correct 170 ms 19808 KB Output is correct
75 Correct 136 ms 19540 KB Output is correct
76 Correct 153 ms 19292 KB Output is correct
77 Correct 2 ms 596 KB Output is correct
78 Correct 3 ms 852 KB Output is correct
79 Correct 66 ms 9956 KB Output is correct
80 Correct 119 ms 14552 KB Output is correct
81 Correct 140 ms 19704 KB Output is correct
82 Incorrect 1 ms 212 KB a[0] = 0 is not an odd integer
83 Halted 0 ms 0 KB -