oj.uz

Submission #412393

# Submission time Handle Problem Language Result Execution time Memory
412393 2021-05-26T19:45:28 Z achibasadzishvili Packing Biscuits (IOI20_biscuits) C++14
100 / 100
 90 ms 1332 KB 
#include "biscuits.h"
#include<bits/stdc++.h>
#define ll long long
#define f first
#define s second
#define pb push_back
using namespace std;
ll pre[505],n;
map<ll,ll>got;
ll solve(ll k){
	if(k == 1)return 1;
	if(k <= 0)return 0;
	if(got.count(k))return got[k];
	ll ret = 0;
	ll pw = 1,t = 0;
	while(2 * pw < k){
		t++;
		pw *= 2;
	}
	got[k] = solve(pw) + solve(min(k ,1 + pre[t] / n) - pw);
	return got[k];
}
ll count_tastiness(ll x, vector<ll> a){
	got.clear();
	for(int i=0; i<=200; i++)
		pre[i] = 0;
	for(int i=0; i<a.size(); i++){
		if(!i)pre[i] = a[i] * (1LL << i);
		else pre[i] = pre[i - 1] + a[i] * (1LL << i);
	}
	for(int i=a.size(); i<=200; i++)
		pre[i] = pre[i - 1];
	n = x;
	return solve(pre[(int)a.size() - 1] + 1);
}

Compilation message

biscuits.cpp: In function 'long long int solve(long long int)':
biscuits.cpp:14:5: warning: unused variable 'ret' [-Wunused-variable]
   14 |  ll ret = 0;
      |     ^~~
biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:27:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |  for(int i=0; i<a.size(); i++){
      |               ~^~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 1 ms 292 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 2 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 2 ms 292 KB Output is correct
11 Correct 2 ms 204 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 300 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 332 KB Output is correct
2 Correct 29 ms 1088 KB Output is correct
3 Correct 36 ms 1196 KB Output is correct
4 Correct 28 ms 1100 KB Output is correct
5 Correct 27 ms 1176 KB Output is correct
6 Correct 35 ms 1136 KB Output is correct
7 Correct 34 ms 1268 KB Output is correct
8 Correct 31 ms 1100 KB Output is correct
9 Correct 32 ms 1100 KB Output is correct
10 Correct 23 ms 1176 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 1 ms 292 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 2 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 2 ms 292 KB Output is correct
34 Correct 2 ms 204 KB Output is correct
35 Correct 2 ms 332 KB Output is correct
36 Correct 2 ms 300 KB Output is correct
37 Correct 7 ms 332 KB Output is correct
38 Correct 29 ms 1088 KB Output is correct
39 Correct 36 ms 1196 KB Output is correct
40 Correct 28 ms 1100 KB Output is correct
41 Correct 27 ms 1176 KB Output is correct
42 Correct 35 ms 1136 KB Output is correct
43 Correct 34 ms 1268 KB Output is correct
44 Correct 31 ms 1100 KB Output is correct
45 Correct 32 ms 1100 KB Output is correct
46 Correct 23 ms 1176 KB Output is correct
47 Correct 12 ms 408 KB Output is correct
48 Correct 26 ms 1324 KB Output is correct
49 Correct 13 ms 332 KB Output is correct
50 Correct 28 ms 1156 KB Output is correct
51 Correct 18 ms 1332 KB Output is correct
52 Correct 8 ms 424 KB Output is correct
53 Correct 16 ms 1076 KB Output is correct
54 Correct 90 ms 1100 KB Output is correct
55 Correct 83 ms 1100 KB Output is correct
56 Correct 72 ms 1204 KB Output is correct
57 Correct 59 ms 1220 KB Output is correct