답안 #927342

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
927342	2024-02-14T18:35:07 Z	VMaksimoski008	슈퍼트리 잇기 (IOI20_supertrees)	C++14	21 / 100	167 ms	22580 KB

supertrees

#include <bits/stdc++.h>
#include "supertrees.h"

#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
//#define int long long

using namespace std;

using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e5 + 5;
const double eps = 1e-9;

struct DSU {
    int n, comp;
    vector<int> par, size;

    void config(int _n) {
        n = _n + 1;
        comp = _n;
        par.resize(n+1);
        size.resize(n+1, 1);
        for(int i=1; i<=n; i++) par[i] = i;
    }

    int get(int u) {
        if(u == par[u]) return u;
        return par[u] = get(par[u]);
    }

    bool uni(int u, int v) {
        u = get(u), v = get(v);

        if(u == v) return false;
        if(size[u] < size[v]) swap(u, v);

        size[u] += size[v];
        par[v] = u;
        comp--;

        return true;
    }

    int getComp() { return comp; }
    int getSize(int u) { return size[get(u)]; }
    bool sameSet(int u, int v) { return get(u) == get(v); }
};

int construct(vector<vector<int> > p) {
    int n = p.size();
    vector<int> cnt(3);

    for(int i=0; i<n; i++)
        for(int j=0; j<n; j++) if(i != j) cnt[p[i][j]]++;

    if(!cnt[2] && !cnt[3]) {
        DSU dsu; dsu.config(n);
        vector<vector<int> > B(n, vector<int>(n, 0));

        for(int i=0; i<n; i++) {
            for(int j=0; j<n; j++) {
                if(p[i][j] == 1)
                    if(dsu.uni(i, j)) B[i][j] = B[j][i] = 1;
            }
        }

        for(int i=0; i<n; i++) {
            for(int j=0; j<n; j++) {
                if(p[i][j] == 1 && !dsu.sameSet(i, j)) return 0;
                if(p[i][j] == 0 && dsu.sameSet(i, j)) return 0;
            }
        }

        build(B);
        return 1;
    } else if(!cnt[1] && !cnt[3]) {
        
    }

    return 1;
}

Subtask #1
11.0 / 11.0

#	결과	실행 시간	메모리	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	7 ms	1116 KB	Output is correct
7	Correct	162 ms	22280 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	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	7 ms	1116 KB	Output is correct
7	Correct	162 ms	22280 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	6 ms	1116 KB	Output is correct
13	Correct	145 ms	22012 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	860 KB	Output is correct
17	Correct	75 ms	12116 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	38 ms	5808 KB	Output is correct
21	Correct	151 ms	22036 KB	Output is correct
22	Correct	148 ms	22100 KB	Output is correct
23	Correct	161 ms	22128 KB	Output is correct
24	Correct	157 ms	22024 KB	Output is correct
25	Correct	63 ms	12120 KB	Output is correct
26	Correct	73 ms	12112 KB	Output is correct
27	Correct	167 ms	22580 KB	Output is correct
28	Correct	146 ms	22100 KB	Output is correct

Subtask #3
0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Incorrect	1 ms	348 KB	WA in grader: construct returned 1 without calling build
5	Halted	0 ms	0 KB	-

Subtask #4
0 / 35.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Incorrect	348 KB	WA in grader: construct returned 1 without calling build
3	Halted	0 KB	-

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	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	7 ms	1116 KB	Output is correct
7	Correct	162 ms	22280 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	6 ms	1116 KB	Output is correct
13	Correct	145 ms	22012 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	860 KB	Output is correct
17	Correct	75 ms	12116 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	38 ms	5808 KB	Output is correct
21	Correct	151 ms	22036 KB	Output is correct
22	Correct	148 ms	22100 KB	Output is correct
23	Correct	161 ms	22128 KB	Output is correct
24	Correct	157 ms	22024 KB	Output is correct
25	Correct	63 ms	12120 KB	Output is correct
26	Correct	73 ms	12112 KB	Output is correct
27	Correct	167 ms	22580 KB	Output is correct
28	Correct	146 ms	22100 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Incorrect	1 ms	348 KB	WA in grader: construct returned 1 without calling build
33	Halted	0 ms	0 KB	-

Subtask #6
0 / 4.0

#	결과	실행 시간	메모리	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	7 ms	1116 KB	Output is correct
7	Correct	162 ms	22280 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	6 ms	1116 KB	Output is correct
13	Correct	145 ms	22012 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	860 KB	Output is correct
17	Correct	75 ms	12116 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	38 ms	5808 KB	Output is correct
21	Correct	151 ms	22036 KB	Output is correct
22	Correct	148 ms	22100 KB	Output is correct
23	Correct	161 ms	22128 KB	Output is correct
24	Correct	157 ms	22024 KB	Output is correct
25	Correct	63 ms	12120 KB	Output is correct
26	Correct	73 ms	12112 KB	Output is correct
27	Correct	167 ms	22580 KB	Output is correct
28	Correct	146 ms	22100 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Incorrect	1 ms	348 KB	WA in grader: construct returned 1 without calling build
33	Halted	0 ms	0 KB	-

답안 #927342

Compilation message

Subtask #1 11.0 / 11.0

Subtask #2 10.0 / 10.0

Subtask #3 0 / 19.0

Subtask #4 0 / 35.0

Subtask #5 0 / 21.0

Subtask #6 0 / 4.0

Subtask #1
11.0 / 11.0

Subtask #2
10.0 / 10.0

Subtask #3
0 / 19.0

Subtask #4
0 / 35.0

Subtask #5
0 / 21.0

Subtask #6
0 / 4.0