QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#168986 | #5117. Find Maximum | arahato | WA | 15ms | 3844kb | C++14 | 993b | 2023-09-09 10:10:42 | 2023-09-09 10:10:43 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
vector<int> san(int x){
vector<int> a;
while(x){
a.push_back(x%3);
x/=3;
}
return a;
}
/*
10
20
01
11
21
02
1101200
1022222
1200000
1122222
101
10
10
*/
void doit(){
int l,r;
cin>>l>>r;
vector<int> a=san(l),b=san(r);
int n=b.size(),ans=n;
while(a.size()<n) a.push_back(0);
while(n&&a[n-1]==b[n-1]) ans+=a[n-1],n--,b.pop_back();
if(!n){
cout<<ans<<endl;
return ;
}
ans+=(n-1)*2+b[n-1]-1;
bool fl=1;
for(int i=0;i<n-1;i++) fl&=b[i]==2;
if(!fl&&b.back()==1){
int t=ans+1;
if(n>1){
bool fll=0;
for(int i=n-2;i>=0;i--) if(b[i]){
if(b[i]==1){
if(i==0) t--;
}
if(b[i]==2){
if(i) t--;
}
fll=1;
break;
}
if(!fll){
t-=(n-1)*2;
}
}
cout<<max(ans-1+fl,t)<<endl;
return ;
}
cout<<ans+fl<<endl;
}
signed main(){
ios::sync_with_stdio(0);
int t;
cin>>t;
while(t--) doit();
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3612kb
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: 15ms
memory: 3844kb
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 7 8 8 8 8 7 7 8 8 8 8 8 8 8 8 8 9 9 10 11 11 11 11 10 10 10 11 11 11 11 11 11 11 11 11 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 13 14 14 14 14 13 13 13 14 14 14 14 14 14 14 14 14 13 13 3 3 4 5 5 5 6 6 7 8 8 8 8 7...
result:
wrong answer 10th numbers differ - expected: '6', found: '7'