답안 #831811

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
831811 2023-08-20T15:38:59 Z gesgha 슈퍼트리 잇기 (IOI20_supertrees) C++17
11 / 100
1000 ms 22032 KB
#include "supertrees.h"
#include <bits/stdc++.h>
 
#define fr(i, a, b) for(int i = a; i <= b; i++)
#define rf(i, a, b) for(int i = a; i >= b; i--)
#define fe(x, y) for (auto& x : y)
 
#define fi first
#define se second
#define pb push_back
 
#define all(x) x.begin(), x.end()
#define pw(x) (1LL << (x))
#define sz(x) (int)x.size()
 
using namespace std;
 
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
#define fbo find_by_order
#define ook order_of_key
template <typename T>
using oset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
 
template <typename T>
using ve = vector <T>;
 
template <typename T>
bool umx (T& a, T b) { return a < b ? a = b, 1 : 0; }
 
template <typename T>
bool umn (T& a, T b) { return a > b ? a = b, 1 : 0; }
 
using ll = long long;
using ld = long double;
using pll = pair <ll, ll>;
using pii = pair <int, int>;
using ull = unsigned long long;
 
const int oo = 1e9;
const ll OO = 1e18;
const int N = 1e6 + 10;
const int M = 3e3 + 100;
const int mod = 1e9 + 7;
const bool TEST = 1;


int construct(vector<vector<int>> p) {
	int n = p.size();
	vector<vector<int>> answer;
	for (int i = 0; i < n; i++) {
		vector<int> row;
		row.resize(n);
		answer.push_back(row);
	}
	ve <bool> vis(n, 0);
	for (int i = 0; i < n; i++) {
		if (vis[i]) continue;
		ve <int> ids;
		bool w2 = 0;
		for (int j = 0; j < n; j++) if (p[i][j]) {
			ids.pb(j);
			w2 |= (p[i][j] == 1);
		}
		// for (int i = 0; i < sz(ids) - 1; i++) {
		// 	for (int j = 0; j < sz(ids) - 1; j++) {
		// 		if (!p[ids[i]][ids[j]]) return 0;
		// 	}
		// }

		if(w2) {
			ve <ve <int>> palki;
			ve <bool> used(n);
			for (auto x : ids) {
				if (used[x])continue;
				ve <int> palka;
				for (int j = 0; j < n; j++) {
					if (used[j]) continue;
					if (p[x][j] == 1) palka.pb(j);
				}
				palki.pb(palka);
				for (int j = 0; j < sz(palka); j++) used[palka[j]] = 1;
				for (int i = 0; i < sz(palka) - 1; i++) {
					answer[palka[i]][palka[i + 1]] = 1;
					answer[palka[i + 1]][palka[i]] = 1;
				}
			}
			for (int i = 0; i < sz(palki); i++) {
				for (auto x : palki[i]) {
					for (auto y : palki[i]) if (p[x][y] != 1) return 0;
				}
			}
			for (int i = 0; i < sz(palki) - 1; i++) {
				answer[palki[i][0]][palki[i + 1][0]] = 1;
				answer[palki[i + 1][0]][palki[i][0]] = 1;
			}
			answer[palki[0][0]][palki[sz(palki) - 1][0]] = 1;
			answer[palki[sz(palki) - 1][0]][palki[0][0]] = 1;
		} else {
			for (int i = 0; i < sz(ids); i++) {
				for (int j = 0; j < sz(ids); j++) {
					if (p[ids[i]][ids[j]] == 0) return 0;
				}
			}
			for (int i = 0; i < sz(ids) - 1; i++) {
				answer[ids[i]][ids[i + 1]] = 1;
				answer[ids[i + 1]][ids[i]] = 1;
			}
		}
	}
	for (int i = 0; i < n; i++) answer[i][i] = 0;
	build(answer);
	return 1;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 12 ms 1108 KB Output is correct
7 Correct 799 ms 22012 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 12 ms 1108 KB Output is correct
7 Correct 799 ms 22012 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 7 ms 1180 KB Output is correct
13 Correct 159 ms 22032 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 3 ms 724 KB Output is correct
17 Correct 72 ms 12036 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 40 ms 5744 KB Output is correct
21 Correct 175 ms 21948 KB Output is correct
22 Correct 158 ms 21964 KB Output is correct
23 Correct 331 ms 22032 KB Output is correct
24 Correct 158 ms 22028 KB Output is correct
25 Incorrect 176 ms 22020 KB Answer gives possible 1 while actual possible 0
26 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 272 KB Output is correct
4 Incorrect 0 ms 212 KB Answer gives possible 1 while actual possible 0
5 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 41 ms 5760 KB Output is correct
5 Correct 171 ms 22012 KB Output is correct
6 Correct 171 ms 22020 KB Output is correct
7 Correct 335 ms 21948 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 50 ms 5768 KB Output is correct
10 Correct 424 ms 22000 KB Output is correct
11 Correct 173 ms 22016 KB Output is correct
12 Execution timed out 1087 ms 12168 KB Time limit exceeded
13 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 12 ms 1108 KB Output is correct
7 Correct 799 ms 22012 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 7 ms 1180 KB Output is correct
13 Correct 159 ms 22032 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 3 ms 724 KB Output is correct
17 Correct 72 ms 12036 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 40 ms 5744 KB Output is correct
21 Correct 175 ms 21948 KB Output is correct
22 Correct 158 ms 21964 KB Output is correct
23 Correct 331 ms 22032 KB Output is correct
24 Correct 158 ms 22028 KB Output is correct
25 Incorrect 176 ms 22020 KB Answer gives possible 1 while actual possible 0
26 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 12 ms 1108 KB Output is correct
7 Correct 799 ms 22012 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 7 ms 1180 KB Output is correct
13 Correct 159 ms 22032 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 3 ms 724 KB Output is correct
17 Correct 72 ms 12036 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 40 ms 5744 KB Output is correct
21 Correct 175 ms 21948 KB Output is correct
22 Correct 158 ms 21964 KB Output is correct
23 Correct 331 ms 22032 KB Output is correct
24 Correct 158 ms 22028 KB Output is correct
25 Incorrect 176 ms 22020 KB Answer gives possible 1 while actual possible 0
26 Halted 0 ms 0 KB -