답안 #831808

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
831808 2023-08-20T15:35:31 Z gesgha 슈퍼트리 잇기 (IOI20_supertrees) C++17
11 / 100
1000 ms 24136 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);
		}
		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) - 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 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 296 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 12 ms 1180 KB Output is correct
7 Correct 796 ms 23928 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 296 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 12 ms 1180 KB Output is correct
7 Correct 796 ms 23928 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 0 ms 296 KB Output is correct
11 Correct 0 ms 296 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 161 ms 23924 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 304 KB Output is correct
16 Correct 3 ms 852 KB Output is correct
17 Correct 75 ms 14076 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 41 ms 6204 KB Output is correct
21 Correct 181 ms 24012 KB Output is correct
22 Correct 167 ms 24136 KB Output is correct
23 Correct 334 ms 23904 KB Output is correct
24 Correct 161 ms 24012 KB Output is correct
25 Incorrect 172 ms 23936 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 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 300 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 41 ms 6240 KB Output is correct
5 Correct 172 ms 23928 KB Output is correct
6 Correct 182 ms 23956 KB Output is correct
7 Correct 333 ms 23940 KB Output is correct
8 Correct 0 ms 292 KB Output is correct
9 Correct 51 ms 6204 KB Output is correct
10 Correct 431 ms 24036 KB Output is correct
11 Correct 171 ms 23940 KB Output is correct
12 Execution timed out 1078 ms 14068 KB Time limit exceeded
13 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 296 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 12 ms 1180 KB Output is correct
7 Correct 796 ms 23928 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 0 ms 296 KB Output is correct
11 Correct 0 ms 296 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 161 ms 23924 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 304 KB Output is correct
16 Correct 3 ms 852 KB Output is correct
17 Correct 75 ms 14076 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 41 ms 6204 KB Output is correct
21 Correct 181 ms 24012 KB Output is correct
22 Correct 167 ms 24136 KB Output is correct
23 Correct 334 ms 23904 KB Output is correct
24 Correct 161 ms 24012 KB Output is correct
25 Incorrect 172 ms 23936 KB Answer gives possible 1 while actual possible 0
26 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 296 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 12 ms 1180 KB Output is correct
7 Correct 796 ms 23928 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 0 ms 296 KB Output is correct
11 Correct 0 ms 296 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 161 ms 23924 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 304 KB Output is correct
16 Correct 3 ms 852 KB Output is correct
17 Correct 75 ms 14076 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 41 ms 6204 KB Output is correct
21 Correct 181 ms 24012 KB Output is correct
22 Correct 167 ms 24136 KB Output is correct
23 Correct 334 ms 23904 KB Output is correct
24 Correct 161 ms 24012 KB Output is correct
25 Incorrect 172 ms 23936 KB Answer gives possible 1 while actual possible 0
26 Halted 0 ms 0 KB -