oj.uz

Submission #369106

# Submission time Handle Problem Language Result Execution time Memory
369106 2021-02-20T10:40:55 Z rumen_m Packing Biscuits (IOI20_biscuits) C++17
100 / 100
 86 ms 1004 KB 
#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
vector <long long> b;
map <long long, long long> mp;
long long solve(long long x, long long n)
{
    if(n<=0)return 0;
    if(n==1)return 1;
    if(mp.find(n)!=mp.end())
        return mp[n];
        long long a = __lg(n-1);
    long long ans = solve(x, (1LL<<a)) + solve(x, min(n, b[a]/x + 1)-(long long)(1LL<<a));
    mp[n] = ans;
    return ans;
}
long long count_tastiness(long long x, std::vector<long long> a) {
    long long i,j;
    b.clear();
    mp.clear();
    for(i=0;i<a.size();i++)
    {
        if(i)
        a[i] = a[i-1] + a[i]*(1LL<<i);
        b.push_back(a[i]);
    }
    for(i;i<=60;i++)
        b.push_back(b.back());
    long long ans = solve(x,b.back()+1);
    return ans;

}

Compilation message

biscuits.cpp: In function 'long long int solve(long long int, long long int)':
biscuits.cpp:10:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   10 |     if(mp.find(n)!=mp.end())
      |     ^~
biscuits.cpp:12:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   12 |         long long a = __lg(n-1);
      |         ^~~~
biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:21:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |     for(i=0;i<a.size();i++)
      |             ~^~~~~~~~~
biscuits.cpp:27:9: warning: statement has no effect [-Wunused-value]
   27 |     for(i;i<=60;i++)
      |         ^
biscuits.cpp:18:17: warning: unused variable 'j' [-Wunused-variable]
   18 |     long long i,j;
      |                 ^

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 512 KB Output is correct
2 Correct 25 ms 1004 KB Output is correct
3 Correct 24 ms 876 KB Output is correct
4 Correct 24 ms 896 KB Output is correct
5 Correct 25 ms 876 KB Output is correct
6 Correct 31 ms 876 KB Output is correct
7 Correct 36 ms 876 KB Output is correct
8 Correct 40 ms 876 KB Output is correct
9 Correct 28 ms 876 KB Output is correct
10 Correct 19 ms 876 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 6 ms 512 KB Output is correct
38 Correct 25 ms 1004 KB Output is correct
39 Correct 24 ms 876 KB Output is correct
40 Correct 24 ms 896 KB Output is correct
41 Correct 25 ms 876 KB Output is correct
42 Correct 31 ms 876 KB Output is correct
43 Correct 36 ms 876 KB Output is correct
44 Correct 40 ms 876 KB Output is correct
45 Correct 28 ms 876 KB Output is correct
46 Correct 19 ms 876 KB Output is correct
47 Correct 10 ms 364 KB Output is correct
48 Correct 21 ms 876 KB Output is correct
49 Correct 9 ms 364 KB Output is correct
50 Correct 19 ms 748 KB Output is correct
51 Correct 14 ms 876 KB Output is correct
52 Correct 5 ms 364 KB Output is correct
53 Correct 15 ms 748 KB Output is correct
54 Correct 76 ms 876 KB Output is correct
55 Correct 86 ms 876 KB Output is correct
56 Correct 65 ms 876 KB Output is correct
57 Correct 53 ms 876 KB Output is correct