oj.uz

답안 #370709

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
370709 2021-02-24T13:47:37 Z TosakaUCW Poklon (COCI17_poklon7) C++17
96 / 120
 1000 ms 181784 KB 
#include <bits/stdc++.h>

using namespace std;

#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("fast-math")
#pragma GCC optimize("no-stack-protector")
 
const int N = 1e6 + 10;
 
int n;
int L[N], R[N];
 
void convert(vector<char> &res, int x)
{
    for (; x > 0; x /= 2)
        res.push_back(x % 2 ? '1' : '0');
    reverse(res.begin(), res.end());
}
 
vector<char> dfs(int v)
{
    vector<char> a, b;
	if (L[v] < 0) a = dfs(abs(L[v])); else convert(a, L[v]);
    if (R[v] < 0) b = dfs(abs(R[v])); else convert(b, R[v]);
    if (a.size() < b.size())
        swap(a, b);
    if (a.size() ^ b.size())
        return a.push_back('0'), a;
    for (int i = 0; i < int(a.size()); i++)
    {
		if (a[i] == b[i])
			continue;
        if (b[i] == '1')
            swap(a, b);
        break;
    }
    return a.push_back('0'), a;
}
 
int main()
{
	ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n;
    for (int i = 1; i <= n; i++)
    {
		int l, r;
		cin >> l >> r;
        if (l < 0) L[i] = abs(l); else L[i] = -l;
        if (r < 0) R[i] = abs(r); else R[i] = -r;
	}
    vector<char> ans = dfs(1);
    for (auto x : ans)
        cout << x;
    return 0;
}

Subtask #1
96.0 / 120.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 8 ms 1388 KB Output is correct
12 Correct 9 ms 1132 KB Output is correct
13 Correct 62 ms 5484 KB Output is correct
14 Correct 187 ms 11244 KB Output is correct
15 Correct 59 ms 1132 KB Output is correct
16 Correct 875 ms 27244 KB Output is correct
17 Execution timed out 1037 ms 55936 KB Time limit exceeded
18 Execution timed out 1101 ms 63980 KB Time limit exceeded
19 Execution timed out 1083 ms 42476 KB Time limit exceeded
20 Execution timed out 1102 ms 181784 KB Time limit exceeded