oj.uz

Submission #696433

# Submission time Handle Problem Language Result Execution time Memory
696433 2023-02-06T13:56:00 Z garam1732 Packing Biscuits (IOI20_biscuits) C++14
100 / 100
 42 ms 1324 KB 
#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef __int128 ii;
ll dp[100];

ll solve(ll x, vector<ll> a, bool full) {
    if(a.empty()) return dp[0] = 1;
    ll z = *a.rbegin(); int sz = a.size();
    a.pop_back();

    if(full && dp[sz]) return dp[sz];

    ll q = z/x, res = 0;
    res += (q+1)*solve(x, a, 1);

    if(z % x) {
        ii v = (ii)(x-z%x)*(1LL<<(sz-1));
        for(int i = (int)a.size()-1; i >= 0; i--) {
            if(v == 0) break;
            else if(v >= (ii)a[i]*(1LL<<i)) {
                v -= (ii)a[i]*(1LL<<i);
                a.pop_back();
            }
            else {
                a[i] -= v/(1LL<<i);
                v = 0;
                break;
            }
        }

        if(v == 0) res += solve(x, a, 0);
    }

    if(full) dp[sz] = res;
    return res;
}

long long count_tastiness(long long x, std::vector<long long> a) {
	for(int i = 0; i <= a.size(); i++) {
        dp[i] = 0;
        for(int j = i+1; j < a.size(); j++) {
            if(a[i]/x >= (1LL<<(j-i))-1) {
                a[i] += a[j]*(1LL<<(j-i));
                a[j] = 0;
            }
        }
	}

	return solve(x, a, 0);
}

Compilation message

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:42:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |  for(int i = 0; i <= a.size(); i++) {
      |                 ~~^~~~~~~~~~~
biscuits.cpp:44:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |         for(int j = i+1; j < a.size(); j++) {
      |                          ~~^~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 1 ms 300 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 296 KB Output is correct
14 Correct 1 ms 212 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 308 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 304 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 22 ms 1108 KB Output is correct
3 Correct 21 ms 1112 KB Output is correct
4 Correct 22 ms 1208 KB Output is correct
5 Correct 21 ms 1208 KB Output is correct
6 Correct 25 ms 1108 KB Output is correct
7 Correct 25 ms 1176 KB Output is correct
8 Correct 28 ms 1084 KB Output is correct
9 Correct 23 ms 1108 KB Output is correct
10 Correct 21 ms 1172 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 1 ms 300 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 296 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 304 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 308 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 304 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 22 ms 1108 KB Output is correct
39 Correct 21 ms 1112 KB Output is correct
40 Correct 22 ms 1208 KB Output is correct
41 Correct 21 ms 1208 KB Output is correct
42 Correct 25 ms 1108 KB Output is correct
43 Correct 25 ms 1176 KB Output is correct
44 Correct 28 ms 1084 KB Output is correct
45 Correct 23 ms 1108 KB Output is correct
46 Correct 21 ms 1172 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 19 ms 1320 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 13 ms 1188 KB Output is correct
51 Correct 21 ms 1324 KB Output is correct
52 Correct 1 ms 312 KB Output is correct
53 Correct 16 ms 1096 KB Output is correct
54 Correct 42 ms 1064 KB Output is correct
55 Correct 41 ms 1200 KB Output is correct
56 Correct 33 ms 1236 KB Output is correct
57 Correct 30 ms 1236 KB Output is correct