QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#391831 | #5117. Find Maximum | Albert711 | TL | 3ms | 3628kb | C++20 | 1.2kb | 2024-04-16 20:29:32 | 2024-04-16 20:29:33 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
using namespace std;
using ll = long long;
using ld = double;
using i64 = int64_t;
const int N = 3e5+5;
const ll mod = 998244353;
const ll inf = 1e18+5;
map<int,int> mp;
int dfs(int x){
if(mp[x]!=0) return mp[x];
if(x%3==0){
int tmp=dfs(x/3)+1;
mp[x]=tmp;
return tmp;
}else{
int tmp=dfs(x-1)+1;
mp[x]=tmp;
return tmp;
}
}
void solve()
{
int l,r;
cin>>l>>r;
int maxn=0;
for(int i=max(l,r-1000);i<=r;i++){
maxn=max(dfs(i),maxn);
}
cout<<maxn<<'\n';
// vector<int>a(20000005);
// a[0]=1;
// cout<<a[0]<<'\n';
// for(int i=1;i<=20000000;i++){
// if(i%3==0){
// a[i]=a[i/3]+1;
// }else{
// a[i]=a[i-1]+1;
// }
// cout<<i<<' '<<a[i]<<'\n';
// if((i+1)%3==0)cout<<'\n';
// }
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);cout.tie(0);
// cout<<fixed<<setprecision(12);
// srand(time(NULL));
mp[0]=1;
int T=1;
cin >> T;
while(T--){
solve();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3548kb
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: 0
Accepted
time: 3ms
memory: 3628kb
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:
ok 5050 numbers
Test #3:
score: -100
Time Limit Exceeded
input:
10000 2924776299390853 348932224550662831 638290869233943020 897334616745111026 210780034220004669 279345354637770906 20574264013277469 387573622060864735 39441497975868873 806211034038773415 19845198891021950 243636832211738144 298454268109304380 988142879006387197 613847475002049291 86666797163210...
output:
75 85 83 81 83 88 80 82 77 79 79 80 87 80 88 86 81 74 84 85 83 87 88 85 87 87 79 78 83 85 86 84 82 77 86 80 79 85 80 74 81 80 71 77 78 83 82 76 74 81 81 84 86 77 90 85 78 75 84 83 78 80 79 76 80 81 92 81 71 74 79 93 86 75 86 79 82 81 79 80 76 74 92 74 87 80 84 74 84 81 86 82 89 86 78 79 81 85 85 86 ...