oj.uz

답안 #370689

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
370689 2021-02-24T13:31:58 Z TosakaUCW Poklon (COCI17_poklon7) C++17
96 / 120
 1000 ms 165328 KB 
#include <stdio.h>
#include <algorithm>
#include <vector>
 
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(L[v]);
	else
		convert(a, -L[v]);
	if (R[v] > 0)
		b = dfs(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 < 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++)
        L[i] = read(), R[i] = read();
    std::vector<char> ans = dfs(1);
    for (auto x : ans)
        printf("%c", x);
    return 0;
}

Compilation message

poklon.cpp: In function 'std::vector<char> dfs(int)':
poklon.cpp:41:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |     for (int i = 0; i < a.size(); i++)
      |                     ~~^~~~~~~~~~

Subtask #1
96.0 / 120.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 512 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 9 ms 1260 KB Output is correct
12 Correct 8 ms 1004 KB Output is correct
13 Correct 60 ms 5100 KB Output is correct
14 Correct 182 ms 10476 KB Output is correct
15 Correct 53 ms 1132 KB Output is correct
16 Correct 854 ms 25068 KB Output is correct
17 Execution timed out 1101 ms 51692 KB Time limit exceeded
18 Execution timed out 1094 ms 59244 KB Time limit exceeded
19 Execution timed out 1102 ms 39532 KB Time limit exceeded
20 Execution timed out 1107 ms 165328 KB Time limit exceeded