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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#190907 | #5117. Find Maximum | PHarr# | TL | 4ms | 3716kb | C++20 | 967b | 2023-09-29 15:36:45 | 2023-09-29 15:36:46 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int inf = 1e18;
using vi = vector<int>;
map<int, int> g;
int f(int x) {
if (g[x] != 0) return g[x];
if (x % 3 == 0) return g[x] = f(x / 3) + 1;
else return g[x] = f(x - x % 3) + x % 3;
}
void solve(){
int l , r;
cin >> l >> r;
int res = 0;
for( int i = r , n = max( l , r - 500 ); i >= n ; i -- )
res = max( res , f(i) );
cout << res << "\n";
}
int32_t main() {
ios::sync_with_stdio(false), cin.tie(nullptr);
int t;
g[0] = 1;
for( cin >> t; t ; t -- )
solve();
// for (int i = 1, x; i <= 100; i++) {
// vi a;
// x = i;
// for (; x; x /= 3) a.push_back(x % 3);
// reverse(a.begin(), a.end() );
// cout << i << " : ";
// for( auto j : a ) cout << j;
// cout << " , ";
// cout << f(i) << "\n";
// }
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3644kb
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: 4ms
memory: 3716kb
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 79 82 77 77 79 80 87 80 88 86 81 74 83 85 77 87 88 85 83 87 79 78 83 85 84 84 82 77 81 80 76 85 80 73 81 80 69 76 78 83 82 76 72 80 81 84 83 77 90 85 78 75 84 83 78 80 79 76 80 81 90 81 71 73 79 93 86 75 82 79 82 81 79 78 76 74 92 74 87 80 84 74 84 81 86 77 89 86 78 79 81 85 85 86 ...