oj.uz

답안 #584275

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
584275 2022-06-27T07:03:04 Z talant117408 Kitchen (BOI19_kitchen) C++17
0 / 100
 310 ms 3668 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;

#define long                unsigned long 
#define pb                  push_back
#define mp                  make_pair
#define all(v)              (v).begin(),(v).end()
#define rall(v)             (v).rbegin(),(v).rend()
#define lb                  lower_bound
#define ub                  upper_bound
#define sz(v)               int((v).size())
#define do_not_disturb      ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define endl                '\n'

vector <bitset <90001>> dp(301);

void impossible() {
    cout << "impossible" << endl;
    exit(0);
}

void solve() {
    int n, m, k;
    cin >> n >> m >> k;
    vector <int> a(n), b(m);
    for (auto &to : a) cin >> to;
    for (auto &to : b) cin >> to;
    int dishes = 0, chefs = 0;
    for (auto to : a) dishes += to;
    for (auto to : b) chefs += to;
    sort(all(b));
    
    if (m < k) 
        impossible();
    for (auto to : a) {
        if (to < k) 
            impossible();
    }
    //~ int ans = 2e9;
    //~ for (int c = k; c <= m; c++) {
        //~ for (int i = 0; i < m; i++) {
            //~ for (int j = i + c - 1; j < m; j++) {
                //~ int saizu = j - i + 1;
                //~ vector <int> pref(saizu), suff(saizu);
                //~ pref[0] = b[i];
                //~ for (int l = 1; l < saizu; l++) {
                    //~ pref[l] = pref[l - 1] + b[i + l];
                //~ }
                //~ suff[saizu - 1] = b[j];
                //~ for (int l = saizu - 2; l >= 0; l--) {
                    //~ suff[l] = suff[l + 1] + b[i + l];
                //~ }
                //~ if (dishes <= pref[c - 1]) {
                    //~ ans = min(ans, pref[c - 1] - dishes);
                //~ }
                //~ if (dishes <= suff[saizu - c]) {
                    //~ ans = min(ans, suff[saizu - c] - dishes);
                //~ }
                //~ for (int l = 1; l < c; l++) {
                    //~ if (dishes <= pref[l] + suff[saizu - c + l]) {
                        //~ ans = min(ans, pref[l] + suff[saizu - c + l] - dishes);
                    //~ }
                //~ }
            //~ }
        //~ }
    //~ }
    
    dp[0][0] = 1;
    for (int i = 0; i < m; i++) {
        for (int c = m; c >= 1; c--) {
            dp[c] |= (dp[c - 1] << b[i]);
        }
    }
    
    int ans = 2e9;
    for (int c = k; c <= m; c++) {
        for (int i = dishes; i <= chefs; i++) {
            if (dp[c][i]) {
                ans = min(ans, i - dishes);
            }
        }
    }
    
    if (ans > 1e9) 
        impossible();
    cout << ans;
}

int main() {
    do_not_disturb
    
    int t = 1;
    //~ cin >> t;
    while (t--) {
        solve();
    }
    
    return 0;
}

Subtask #1
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3540 KB Output is correct
2 Correct 2 ms 3540 KB Output is correct
3 Correct 2 ms 3540 KB Output is correct
4 Correct 2 ms 3540 KB Output is correct
5 Correct 2 ms 3540 KB Output is correct
6 Incorrect 2 ms 3540 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #2
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3540 KB Output is correct
2 Correct 2 ms 3540 KB Output is correct
3 Correct 2 ms 3540 KB Output is correct
4 Correct 2 ms 3540 KB Output is correct
5 Correct 2 ms 3540 KB Output is correct
6 Incorrect 2 ms 3540 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 200 ms 3540 KB Output is correct
2 Correct 147 ms 3540 KB Output is correct
3 Correct 310 ms 3596 KB Output is correct
4 Correct 256 ms 3668 KB Output is correct
5 Incorrect 260 ms 3668 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 6 ms 3540 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3540 KB Output is correct
2 Correct 2 ms 3540 KB Output is correct
3 Correct 2 ms 3540 KB Output is correct
4 Correct 2 ms 3540 KB Output is correct
5 Correct 2 ms 3540 KB Output is correct
6 Incorrect 2 ms 3540 KB Output isn't correct
7 Halted 0 ms 0 KB -