oj.uz

Submission #837096

# Submission time Handle Problem Language Result Execution time Memory
837096 2023-08-24T23:18:38 Z azatega Packing Biscuits (IOI20_biscuits) C++14
0 / 100
 1000 ms 30292 KB 
#include <iostream>
#include <map>
#include <vector>

using namespace std;

#define ll long long

map<pair<int, ll>, ll> memo;
vector<ll> a;
int n;
ll x;

ll compute(int k, ll amount){
    if(memo[{k, amount}] > 0)
        return memo[{k, amount}];

    if(k == a.size() - 1){
        // last one
        ll res = 1; // can always be zero
        if(amount >= x) // can be 1
            res++;
        memo[{k, amount}] = res;
        return res;
    }

    ll res = 0;
    if(amount >= x)
        res += compute(k+1, a[k+1] + (amount - x)/2); // can be 1
    res += compute(k+1, a[k+1] + amount/2); // can be 0
    memo[{k, amount}] = res;
    cout << k << " - " << amount << ": " << memo[{k, amount}] << endl;
    return res;
}

long long count_tastiness(long long _x, vector<long long> _a){
    memo.clear();

    a = _a;
    x = _x;
    n = _a.size();

    for(int i = 0; i < 100; i++)
        a.push_back(0);

    return compute(0, a[0]);
}

Compilation message

biscuits.cpp: In function 'long long int compute(int, long long int)':
biscuits.cpp:18:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |     if(k == a.size() - 1){
      |        ~~^~~~~~~~~~~~~~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 806 ms 30292 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1075 ms 23692 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -