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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#665724#5117. Find MaximumRepeater#WA 0ms3828kbC++201.1kb2024-10-22 14:57:532024-10-22 14:57:56

Judging History

你现在查看的是最新测评结果

  • [2024-10-22 14:57:56]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3828kb
  • [2024-10-22 14:57:53]
  • 提交

answer

#include <bits/stdc++.h>

using i64 = long long;

void solve()
{
	i64 l, r; std::cin >> l >> r;

	auto cacl = [&](i64 x) -> int
	{
		int ans = 0;
		while(x)
		{
			ans += x % 3;
			x /= 3;
			ans++;
		}

		return ans; 
	};

	int ans = std::max(cacl(l), cacl(r));

	std::vector<int> L, R;
	while(l)
	{
		L.emplace_back(l % 3);
		l /= 3;
	}
	while(r)
	{
		R.emplace_back(r % 3);
		r /= 3;
	}

	while(L.size() != R.size()) L.emplace_back(0);
	std::ranges::reverse(L);
	std::ranges::reverse(R);

	// for(auto i : L) std::cerr << i;
	// std::cerr << "\n";
	// for(auto i : R) std::cerr << i;
	// std::cerr << "\n";

	int n = R.size();
	bool flg = true;
	int res = n;
	for(int i = 0; i < n; i++)
	{
		if(L[i] == R[i])
		{
			res += L[i];
			flg = false;
			continue;
		}

		res += R[i] - 1;
		if(R[i] == 1 && flg) res--;
		res += 2 * (n - i - 1);
		ans = std::max(ans, res);
		break;
	}	

	std::cout << ans << "\n";
}

int main()
{
	std::ios::sync_with_stdio(false);
	std::cin.tie(nullptr);

	int t; std::cin >> t;
	while(t--) solve();

	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3828kb

input:

10
1 2
1 3
1 4
1 5
2 3
2 4
2 5
3 4
3 5
4 5

output:

3
3
4
5
3
4
5
4
5
5

result:

ok 10 numbers

Test #2:

score: -100
Wrong Answer
time: 0ms
memory: 3624kb

input:

5050
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 61...

output:

2
3
3
4
5
5
5
6
6
6
6
6
6
7
6
7
8
8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
10
9
9
9
9
9
10
9
10
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
3
3
4
5
5
5
6
6
6
6
6
6
7
6
7
8
8
8
8
8
8
8
8
8
9...

result:

wrong answer 15th numbers differ - expected: '7', found: '6'