oj.uz

Submission #850961

# Submission time Handle Problem Language Result Execution time Memory
850961 2023-09-18T03:50:45 Z NamPE Stove (JOI18_stove) C++17
20 / 100
 1000 ms 600 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

ll dfs(vector<ll>& a, ll i, ll k, ll state) {
    if(i == a.size()) {
        return (!state ? 0 : INT_MAX);
    }

    ll res = INT_MAX;

    if(!state && k) {
        res = min(res, dfs(a, i + 1, k - 1, 0) + 1);
        res = min(res, dfs(a, i + 1, k - 1, 1) - a[i]);
    } else if(state) {
        res = min(res, dfs(a, i + 1, k, 1));
        res = min(res, dfs(a, i + 1, k, 0) + a[i] + 1);
    }

    return res;
}

int main() {
    ios::sync_with_stdio(0);
    cout.tie(0);
    cin.tie(0);
    
    ll n, k;
    cin >> n >> k;

    vector<ll> a(n);

    for(ll& i : a) {
        cin >> i;
    }

    cout << dfs(a, 0, k, 0);
}

Compilation message

stove.cpp: In function 'll dfs(std::vector<long long int>&, ll, ll, ll)':
stove.cpp:7:10: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |     if(i == a.size()) {
      |        ~~^~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 4 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 4 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Execution timed out 1029 ms 600 KB Time limit exceeded
11 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 4 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Execution timed out 1029 ms 600 KB Time limit exceeded
11 Halted 0 ms 0 KB -