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Submission #370694

# Submission time Handle Problem Language Result Execution time Memory
370694 2021-02-24T13:36:03 Z TosakaUCW Poklon (COCI17_poklon7) C++17
96 / 120
 1000 ms 181544 KB 
#include <bits/stdc++.h>

#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("fast-math")
#pragma GCC optimize("no-stack-protector")
 
int read(int x = 0, int f = 0, char ch = getchar())
{
    while ('0' > ch or ch > '9')
        f = ch == '-', ch = getchar();
    while ('0' <= ch and ch <= '9')
        x = x * 10 + (ch ^ 48), ch = getchar();
    return f ? -x : x;
}
 
const int N = 1e6 + 10;
 
int n;
int L[N], R[N];
 
void convert(std::vector<char> &res, int x)
{
    for (; x; x /= 2)
        res.push_back(x % 2 ? '1' : '0');
    std::reverse(res.begin(), res.end());
}
 
std::vector<char> dfs(int v)
{
    std::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')
            std::swap(a, b);
        break;
    }
    return a.push_back('0'), a;
}
 
int main()
{
    n = read();
    for (int i = 1; i <= n; i++)
    {
		int l = read(), r = read();
        if (l < 0) L[i] = abs(l); else L[i] = -l;
        if (r < 0) R[i] = abs(r); else R[i] = -r;
	}
    std::vector<char> ans = dfs(1);
    for (auto x : ans)
        printf("%c", x);
    return 0;
}

Subtask #1
96.0 / 120.0

# Verdict Execution time Memory 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 1 ms 364 KB Output is correct
11 Correct 7 ms 1388 KB Output is correct
12 Correct 8 ms 1132 KB Output is correct
13 Correct 67 ms 5484 KB Output is correct
14 Correct 173 ms 11116 KB Output is correct
15 Correct 45 ms 1260 KB Output is correct
16 Correct 841 ms 26988 KB Output is correct
17 Execution timed out 1078 ms 55788 KB Time limit exceeded
18 Execution timed out 1101 ms 63980 KB Time limit exceeded
19 Execution timed out 1093 ms 42348 KB Time limit exceeded
20 Execution timed out 1106 ms 181544 KB Time limit exceeded