답안 #796308

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
796308 2023-07-28T09:07:33 Z t6twotwo 분수 공원 (IOI21_parks) C++17
15 / 100
113 ms 23096 KB
#include "parks.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
struct dsu {
    int n;
    vector<int> p, s;
    dsu(int n) : n(n), p(n), s(n, 1) {
        iota(p.begin(), p.end(), 0);
    }
    int find(int x) {
        return x == p[x] ? x : p[x] = find(p[x]);
    }
    int size(int x) {
        return s[find(x)];
    }
    bool same(int x, int y) {
        return find(x) == find(y);
    }
    bool unite(int x, int y) {
        x = find(x);
        y = find(y);
        if (x == y) {
            return 0;
        }
        if (s[x] > s[y]) {
            swap(x, y);
        }
        p[x] = y;
        s[y] += s[x];
        return 1;
    }
};
int construct_roads(vector<int> X, vector<int> Y) {
    int N = X.size();
    vector f(5, vector(200003, -1));
    for (int i = 0; i < N; i++) {
        f[X[i]][Y[i]] = i;
    }
    dsu uf(N);
    vector<int> u, v, a, b;
    for (int y = 2; y <= 200000; y += 2) {
        for (int x = 2; x <= 4; x += 2) {
            if (f[x][y] != -1 && f[x][y + 2] != -1) {
                u.push_back(f[x][y]);
                v.push_back(f[x][y + 2]);
                a.push_back(2 * x - 3);
                b.push_back(y + 1);
                uf.unite(f[x][y], f[x][y + 2]);
            }
        }
        if (f[2][y] != -1 && f[4][y] != -1) {
            u.push_back(f[2][y]);
            v.push_back(f[4][y]);
            a.push_back(3);
            b.push_back(y - 1);
            uf.unite(f[2][y], f[4][y]);
        }
    }
    if (uf.size(0) != N) {
        return 0;
    }
    build(u, v, a, b);
    return 1;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 47 ms 11576 KB Output is correct
10 Correct 6 ms 5076 KB Output is correct
11 Correct 22 ms 8132 KB Output is correct
12 Correct 8 ms 5316 KB Output is correct
13 Correct 10 ms 6532 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 40 ms 11608 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 47 ms 11576 KB Output is correct
10 Correct 6 ms 5076 KB Output is correct
11 Correct 22 ms 8132 KB Output is correct
12 Correct 8 ms 5316 KB Output is correct
13 Correct 10 ms 6532 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 40 ms 11608 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 2 ms 4948 KB Output is correct
23 Correct 113 ms 23096 KB Output is correct
24 Correct 2 ms 4948 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 3 ms 4948 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 43 ms 11816 KB Output is correct
29 Correct 67 ms 16124 KB Output is correct
30 Correct 86 ms 19528 KB Output is correct
31 Correct 109 ms 23092 KB Output is correct
32 Correct 2 ms 4948 KB Output is correct
33 Correct 3 ms 5004 KB Output is correct
34 Correct 2 ms 4948 KB Output is correct
35 Correct 2 ms 4948 KB Output is correct
36 Correct 2 ms 4948 KB Output is correct
37 Correct 2 ms 4948 KB Output is correct
38 Correct 2 ms 4948 KB Output is correct
39 Correct 2 ms 4948 KB Output is correct
40 Correct 2 ms 4948 KB Output is correct
41 Correct 2 ms 4948 KB Output is correct
42 Correct 3 ms 4948 KB Output is correct
43 Correct 3 ms 4948 KB Output is correct
44 Correct 3 ms 4948 KB Output is correct
45 Correct 41 ms 11588 KB Output is correct
46 Correct 62 ms 15384 KB Output is correct
47 Correct 60 ms 15280 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 47 ms 11576 KB Output is correct
10 Correct 6 ms 5076 KB Output is correct
11 Correct 22 ms 8132 KB Output is correct
12 Correct 8 ms 5316 KB Output is correct
13 Correct 10 ms 6532 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 40 ms 11608 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 2 ms 4948 KB Output is correct
23 Correct 113 ms 23096 KB Output is correct
24 Correct 2 ms 4948 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 3 ms 4948 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 43 ms 11816 KB Output is correct
29 Correct 67 ms 16124 KB Output is correct
30 Correct 86 ms 19528 KB Output is correct
31 Correct 109 ms 23092 KB Output is correct
32 Correct 2 ms 4948 KB Output is correct
33 Correct 3 ms 5004 KB Output is correct
34 Correct 2 ms 4948 KB Output is correct
35 Correct 2 ms 4948 KB Output is correct
36 Correct 2 ms 4948 KB Output is correct
37 Correct 2 ms 4948 KB Output is correct
38 Correct 2 ms 4948 KB Output is correct
39 Correct 2 ms 4948 KB Output is correct
40 Correct 2 ms 4948 KB Output is correct
41 Correct 2 ms 4948 KB Output is correct
42 Correct 3 ms 4948 KB Output is correct
43 Correct 3 ms 4948 KB Output is correct
44 Correct 3 ms 4948 KB Output is correct
45 Correct 41 ms 11588 KB Output is correct
46 Correct 62 ms 15384 KB Output is correct
47 Correct 60 ms 15280 KB Output is correct
48 Runtime error 5 ms 8388 KB Execution killed with signal 6
49 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 47 ms 11576 KB Output is correct
10 Correct 6 ms 5076 KB Output is correct
11 Correct 22 ms 8132 KB Output is correct
12 Correct 8 ms 5316 KB Output is correct
13 Correct 10 ms 6532 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 40 ms 11608 KB Output is correct
17 Runtime error 5 ms 8388 KB Execution killed with signal 11
18 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 47 ms 11576 KB Output is correct
10 Correct 6 ms 5076 KB Output is correct
11 Correct 22 ms 8132 KB Output is correct
12 Correct 8 ms 5316 KB Output is correct
13 Correct 10 ms 6532 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 40 ms 11608 KB Output is correct
17 Runtime error 34 ms 14692 KB Execution killed with signal 11
18 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 47 ms 11576 KB Output is correct
10 Correct 6 ms 5076 KB Output is correct
11 Correct 22 ms 8132 KB Output is correct
12 Correct 8 ms 5316 KB Output is correct
13 Correct 10 ms 6532 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 40 ms 11608 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 2 ms 4948 KB Output is correct
23 Correct 113 ms 23096 KB Output is correct
24 Correct 2 ms 4948 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 3 ms 4948 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 43 ms 11816 KB Output is correct
29 Correct 67 ms 16124 KB Output is correct
30 Correct 86 ms 19528 KB Output is correct
31 Correct 109 ms 23092 KB Output is correct
32 Correct 2 ms 4948 KB Output is correct
33 Correct 3 ms 5004 KB Output is correct
34 Correct 2 ms 4948 KB Output is correct
35 Correct 2 ms 4948 KB Output is correct
36 Correct 2 ms 4948 KB Output is correct
37 Correct 2 ms 4948 KB Output is correct
38 Correct 2 ms 4948 KB Output is correct
39 Correct 2 ms 4948 KB Output is correct
40 Correct 2 ms 4948 KB Output is correct
41 Correct 2 ms 4948 KB Output is correct
42 Correct 3 ms 4948 KB Output is correct
43 Correct 3 ms 4948 KB Output is correct
44 Correct 3 ms 4948 KB Output is correct
45 Correct 41 ms 11588 KB Output is correct
46 Correct 62 ms 15384 KB Output is correct
47 Correct 60 ms 15280 KB Output is correct
48 Runtime error 5 ms 8388 KB Execution killed with signal 6
49 Halted 0 ms 0 KB -