oj.uz

Submission #1079811

# Submission time Handle Problem Language Result Execution time Memory
1079811 2024-08-29T02:01:45 Z trMatherz Feast (NOI19_feast) C++17
41 / 100
 1000 ms 26848 KB 
#include <iostream> //cin, cout

/*
#include <fstream>
std::ifstream cin ("ex.in");
std::ofstream cout ("ex.out");
*/




// includes
#include <cmath> 
#include <set>
#include <map>
#include <queue>
#include <string>
#include <vector>
#include <array>
#include <algorithm>
#include <numeric>
#include <iomanip>
#include <unordered_set>
#include <stack>
#include <ext/pb_ds/assoc_container.hpp>
#include <random>
#include <chrono>
#include <bitset>
#include <complex>


//usings 
using namespace std;
using namespace __gnu_pbds;


// misc
#define ll long long
#define ld long double
#define pb push_back
#define pq priority_queue
#define ub upper_bound
#define lb lower_bound
template<typename T, typename U> bool emin(T &a, const U &b){ return b < a ? a = b, true : false; }
template<typename T, typename U> bool emax(T &a, const U &b){ return b > a ? a = b, true : false; }
typedef uint64_t hash_t;

// vectors
#define vi vector<int>
#define vvi vector<vi>
#define vvvi vector<vvi>
#define vpii vector<pair<int, int>>
#define vvpii vector<vector<pair<int, int>>>
#define vppipi vector<pair<int, pair<int, int>>>
#define vl vector<ll>
#define vvl vector<vl>
#define vvvl vector<vvl>
#define vpll vector<pair<ll, ll>>
#define vvpll vector<vpll>
#define vb vector<bool>
#define vvb vector<vb>
#define vs vector<string>
#define sz(x) (int)x.size()
#define rz resize
#define all(x) x.begin(), x.end()
#define vc vector<char>
#define vvc vector<vc>


// pairs
#define pii pair<int, int>
#define pll pair<ll, ll>
#define mp make_pair
#define f first
#define s second

// sets
#define si set<int>
#define sl set<ll>
#define ss set<string>
#define in insert
template <class T> using iset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

// maps
#define mii map<int, int>
#define mll map<ll, ll>

// loops
#define FR(x, z, y) for (int x = z; x < y; x++)
#define FRE(x, z, y) FR(x, z, y + 1)
#define F(x, y) FR(x, 0, y)
#define FE(x, y) F(x, y + 1)
#define A(x, y) for(auto &x : y)


vl a; 
ll n, k;
pll plop(ll j) {
    vvpll dp(n, vpll(2));
    dp[0][0] = {0, 0}; 
    dp[0][1] = {a[0] - j, 1}; 
    FR(i, 1, n){ 
        dp[i][0] = max(dp[i - 1][0], dp[i - 1][1]);
        dp[i][1] = max(mp(dp[i - 1][1].f + a[i], dp[i - 1][1].s), mp(dp[i - 1][0].f + a[i] - j, dp[i - 1][0].s + 1)); 
    }
    return max(dp[n - 1][0], dp[n - 1][1]); 
}

int main(){
    cin >> n >> k; 
    a = vl(n); A(u, a) cin >> u;
    ll l = 0, r = (ll) 1e18; 
    while(l < r) {
        ll m = (l + r + 1) / 2; 
        if(plop(m).s < k) r = m - 1; 
        else l = m; 
    }
    cout << plop(l).f + l * k; 
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 941 ms 24812 KB Output is correct
2 Correct 945 ms 25420 KB Output is correct
3 Execution timed out 1004 ms 25788 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 929 ms 24412 KB Output is correct
2 Correct 951 ms 24708 KB Output is correct
3 Correct 936 ms 24132 KB Output is correct
4 Correct 936 ms 24708 KB Output is correct
5 Correct 962 ms 26332 KB Output is correct
6 Correct 987 ms 24580 KB Output is correct
7 Correct 928 ms 25100 KB Output is correct
8 Execution timed out 1020 ms 26848 KB Time limit exceeded
9 Halted 0 ms 0 KB -

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1010 ms 26268 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 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 1 ms 440 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 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 1 ms 440 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 436 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 436 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 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 1 ms 440 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 436 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 436 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 9 ms 600 KB Output is correct
22 Correct 4 ms 604 KB Output is correct
23 Correct 4 ms 600 KB Output is correct
24 Correct 4 ms 604 KB Output is correct
25 Correct 4 ms 612 KB Output is correct
26 Correct 4 ms 604 KB Output is correct
27 Correct 4 ms 604 KB Output is correct
28 Correct 4 ms 612 KB Output is correct
29 Correct 5 ms 604 KB Output is correct
30 Correct 4 ms 468 KB Output is correct

Subtask #7
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 941 ms 24812 KB Output is correct
2 Correct 945 ms 25420 KB Output is correct
3 Execution timed out 1004 ms 25788 KB Time limit exceeded
4 Halted 0 ms 0 KB -