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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#391811#5117. Find MaximumHqwqWA 1ms3868kbC++20938b2024-04-16 20:08:452024-04-16 20:08:46

Judging History

你现在查看的是最新测评结果

  • [2024-04-16 20:08:46]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3868kb
  • [2024-04-16 20:08:45]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;

long long t,l,r;

long long qmi(long long a,long long p){
	long long res=1;
	while(p){
		if (p&1) res*=a;
		p>>=1;
		a*=a;
	}
	return res;
}

int main(){
	scanf("%lld",&t);
	while(t--){
		scanf("%lld %lld",&l,&r);
		long long a=l,b=r;
		long long x=1,y=1;
		while(a/3){
			a/=3;
			x++;
		}
		while(b/3){
			b/=3;
			y++;
		}
		long long ans=0;
		if (x!=y){
			if (qmi(3,y)-1==r) ans=y*3;
			else if (qmi(3,y)-qmi(3,y-1)-1<=r) ans=y*3-1;
			else if (qmi(3,y)-qmi(3,y-1)-qmi(3,y-2)-1<=r) ans=y*3-2;
			else ans=y*3-3;
		}
		else{
			long long p=1,q,k=l,temp=l;
			while(k<=r){
				if (temp%3!=2){
					k+=p;
					temp+=p;
				}
				else{
					temp/=3;
					p*=3;
				}
				//cout<<k<<'\n';
			}
			k-=p;
			//cout<<k<<'\n';
			while(k){
				ans+=k%3;
				k/=3;
				ans++;
				//cout<<ans<<'\n';
			}
		}
		printf("%lld\n",ans);
	}
} 

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3868kb

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: 1ms
memory: 3800kb

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
7
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
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
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
7
7
8
8
8
8
8
8
8...

result:

wrong answer 784th numbers differ - expected: '8', found: '7'