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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#719482 | #5117. Find Maximum | Dixiky_215 | WA | 3ms | 3732kb | C++20 | 1.8kb | 2024-11-07 01:44:39 | 2024-11-07 01:44:39 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int MAXN=2e6+7;
int t;
int n;
ll a[MAXN],maxl[MAXN];
ll sum[MAXN];
ll dfs(ll x)
{
if(x==0) return 1;
if(x%3) return dfs(x-x%3)+(x%3);
return dfs(x/3)+1LL;
}
int main()
{
cin.tie(nullptr) ->sync_with_stdio(false);
sum[0]=1LL;
for(int i=1;i<=38;i++) sum[i]=(sum[i-1]*3LL);
// ll num=0LL;
// bool flag=0;
// for(int i=38;i>=0;i--)
// {
// if(x>=sum[i])
// {
// if(!flag) num+=i+1,flag=1;
// num+=x/sum[i];
// x%=sum[i];
// }
// }
cin>>t;
while(t--)
{
ll l,r;
cin>>l>>r;
ll num=0,ans=0;
int max_loc=0;
bool kkk=0;
ll x=r;
for(int i=38;i>=0;i--)
{
ll s1=x/sum[i];
ans+=s1;x%=sum[i];
if(s1>0) kkk=1;
if(kkk) ans++;
}
kkk=0;
for(int i=38;i>=0;i--)
{
ll s1=l/sum[i],s2=r/sum[i];
l%=sum[i];r%=sum[i];
if(s1==s2)
{
if(s1>0) num+=s1,kkk=1;
if(kkk) num++;
}
else if(s2>s1)
{
ll numk=0LL;
numk=s2;
for(int j=i-1;j>=0;j--) numk+=r/sum[j],r%=sum[j];
// cerr<<num<<" "<<numk<<" asd"<<endl;
ans=max(ans,numk+num+i+1);
numk=s2-1+i*2;
if(s2>1) kkk=1;
if(!kkk) ans=max(ans,numk+num+i);
else ans=max(ans,numk+num+i+1);
break;
}
}
ans=max(ans,num);
cout<<ans<<'\n';
}
return 0;
}
/*
aabbaA
*/
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3672kb
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: 3ms
memory: 3732kb
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'