oj.uz

답안 #370702

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
370702 2021-02-24T13:44:27 Z TosakaUCW Poklon (COCI17_poklon7) C++14
102 / 120
 1000 ms 134120 KB 
#include <bits/stdc++.h>

#define pb push_back
#define sz(x) int(x.size())

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 L[N], R[N];
 
void convert(vector<char> &res, int x)
{
	while (x > 0)
    {
        if (x % 2) res.pb('1');
        else res.pb('0');
        x /= 2;
    }
    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 (sz(a) < sz(b))
        swap(a, b);
    if (sz(a) != sz(b))
		{ a.pb('0'); return a; }
    for (int i = 0; i < sz(a); i++)
    {
		if (a[i] == b[i])
			continue;
        if (b[i] == '1')
            swap(a, b);
        break;
    }
    a.pb('0'); return a;
}
 
int main()
{
	int n;
    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;
}

Subtask #1
102.0 / 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 1 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 2 ms 364 KB Output is correct
11 Correct 13 ms 1132 KB Output is correct
12 Correct 15 ms 876 KB Output is correct
13 Correct 63 ms 4460 KB Output is correct
14 Correct 123 ms 8684 KB Output is correct
15 Correct 118 ms 1260 KB Output is correct
16 Correct 428 ms 21480 KB Output is correct
17 Correct 982 ms 44824 KB Output is correct
18 Execution timed out 1010 ms 50860 KB Time limit exceeded
19 Execution timed out 1047 ms 34532 KB Time limit exceeded
20 Execution timed out 1087 ms 134120 KB Time limit exceeded