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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#781111#5117. Find MaximumZhZlzcWA 0ms3700kbC++201.2kb2024-11-25 14:49:442024-11-25 14:49:45

Judging History

你现在查看的是最新测评结果

  • [2024-11-25 14:49:45]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3700kb
  • [2024-11-25 14:49:44]
  • 提交

answer

#include <bits/stdc++.h>
#define int long long
#define x first
#define y second
using namespace std;
using LL = long long;
typedef pair<int, int> PII;
typedef unsigned long long ULL;
const int N = 1e6 + 10, M = 5010, mod = 998244353;
const int inf = 1e18;
mt19937_64 rng(time(0));
vector <int> pw;
int lim;
void solve() {
	int l, r;
	cin >> l >> r;
	int ans = 0;
	int p = -1;
	for(int i = lim - 1; i >= 0; i--){
		int d = r / pw[i];
		if(d != 0){
			p = i;
			break;
		}
	}
	int sum = 0;
	for(int i = 0; i < p; i++){
		sum += pw[i] * 2LL;
	} 
	if(sum >= l) ans = p * 2LL;
	sum = 0;
	int res = 0;
	if(l / pw[p] == 1){
		r -= pw[p];
		res++;
	}else if(l / pw[p] == 2){
		r -= 2 * pw[p];
		res += 2;
	}else{
		r -= pw[p];
		res++;
	}
	for(int i = 0; i <= p; i++){
		if(sum + 2 * pw[i] <= r){
			sum += 2 * pw[i];
			res += 2;
		}else if(sum + pw[i] <= r){
			sum += pw[i];
			res++;
		}else break;
	}
	ans = max(ans, res + p + 1);
	cout << ans << "\n";
} 
signed main() {
	ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	int T = 1;
	cin >> T;
	pw.push_back(1);
	int cur = 1;
	while(cur <= inf){
		cur *= 3LL;
		pw.push_back(cur);
	}
	lim = pw.size();
	while(T--) {
		solve();
	}
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3700kb

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: 3656kb

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

result:

wrong answer 9th numbers differ - expected: '6', found: '4'