oj.uz

Submission #370700

# Submission time Handle Problem Language Result Execution time Memory
370700 2021-02-24T13:43:37 Z TosakaUCW Poklon (COCI17_poklon7) C++17
96 / 120
 1000 ms 134168 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;
    return 0;
}

Subtask #1
96.0 / 120.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 12 ms 1132 KB Output is correct
12 Correct 16 ms 1004 KB Output is correct
13 Correct 62 ms 4460 KB Output is correct
14 Correct 122 ms 8684 KB Output is correct
15 Correct 119 ms 1132 KB Output is correct
16 Correct 422 ms 21484 KB Output is correct
17 Execution timed out 1018 ms 44592 KB Time limit exceeded
18 Execution timed out 1010 ms 50812 KB Time limit exceeded
19 Execution timed out 1093 ms 34460 KB Time limit exceeded
20 Execution timed out 1041 ms 134168 KB Time limit exceeded