oj.uz

Submission #752172

# Submission time Handle Problem Language Result Execution time Memory
752172 2023-06-02T12:25:26 Z GrindMachine Kitchen (BOI19_kitchen) C++17
100 / 100
 23 ms 980 KB 
// Om Namah Shivaya

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x, y) ((x + y - 1) / (y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl

#define rep(i, n) for(int i = 0; i < n; ++i)
#define rep1(i, n) for(int i = 1; i <= n; ++i)
#define rev(i, s, e) for(int i = s; i >= e; --i)
#define trav(i, a) for(auto &i : a)

template<typename T>
void amin(T &a, T b) {
    a = min(a, b);
}

template<typename T>
void amax(T &a, T b) {
    a = max(a, b);
}

#ifdef LOCAL
#include "debug.h"
#else
#define debug(x) 42
#endif

/*



*/

const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;

void solve(int test_case)
{
    ll n,m,k; cin >> n >> m >> k;
    vector<ll> a(n), b(m);
    rep(i,n) cin >> a[i];
    rep(i,m) cin >> b[i];

    if(k > m){
        cout << "Impossible" << endl;
        return;
    }

    rep(i,n){
        if(a[i] < k){
            cout << "Impossible" << endl;
            return;
        }
    }

    ll suma = 0, sumb = 0;
    rep(i,n) suma += a[i];
    rep(i,m) sumb += b[i];
    
    vector<ll> dp(sumb+5, -inf2);
    dp[0] = 0;

    rep(i,m){
        ll x = b[i];
        rev(j,sumb,x){
            amax(dp[j], dp[j-x] + min(x,n));
        }
    }

    for(int j = suma; j <= sumb; ++j){
        if(dp[j] >= n*k){
            ll ans = j - suma;
            cout << ans << endl;
            return;
        }
    }

    cout << "Impossible" << endl;
}

int main()
{
    fastio;

    int t = 1;
    // cin >> t;

    rep1(i, t) {
        solve(i);
    }

    return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 320 KB Output is correct
4 Correct 1 ms 320 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

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 320 KB Output is correct
4 Correct 1 ms 320 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 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 424 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 320 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 852 KB Output is correct
2 Correct 16 ms 824 KB Output is correct
3 Correct 15 ms 596 KB Output is correct
4 Correct 21 ms 980 KB Output is correct
5 Correct 23 ms 980 KB Output is correct
6 Correct 11 ms 724 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 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 0 ms 320 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 320 KB Output is correct
4 Correct 1 ms 320 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 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 424 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 18 ms 852 KB Output is correct
15 Correct 16 ms 824 KB Output is correct
16 Correct 15 ms 596 KB Output is correct
17 Correct 21 ms 980 KB Output is correct
18 Correct 23 ms 980 KB Output is correct
19 Correct 11 ms 724 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 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 320 KB Output is correct
25 Correct 11 ms 696 KB Output is correct
26 Correct 16 ms 724 KB Output is correct
27 Correct 6 ms 448 KB Output is correct
28 Correct 12 ms 712 KB Output is correct
29 Correct 15 ms 836 KB Output is correct
30 Correct 21 ms 980 KB Output is correct