oj.uz

답안 #623568

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
623568 2022-08-06T00:59:34 Z Awerar Kitchen (BOI19_kitchen) C++14
100 / 100
 38 ms 1012 KB 
#include <iostream>
#include <vector>
#include <string>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <limits.h>
#include <math.h>
#include <chrono>
#include <queue>
#include <stack>
#include <algorithm>

using namespace std;

#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")

#define ll long long
#define vi vector<ll>
#define vvi vector<vi>
#define p2 pair<ll, ll>
#define p3 tuple<ll,ll,ll>
#define p4 vi
#define ip3 tuple<int,int,int>
#define ip4 tuple<int,int,int,int>
#define vp2 vector<p2>
#define vp3 vector<p3>
#define inf 2e9
#define linf 1e17

#define read(a) cin >> a
#define write(a) cout << (a) << "\n"
#define dread(type, a) type a; cin >> a
#define dread2(type, a, b) dread(type, a); dread(type, b)
#define dread3(type, a, b, c) dread2(type, a, b); dread(type, c)
#define dread4(type, a, b, c, d) dread3(type, a, b, c); dread(type, d)
#define dread5(type, a, b, c, d, e) dread4(type, a, b, c, d); dread(type, e)
#ifdef _DEBUG
#define deb __debugbreak();
#else
#define deb ;
#endif

#define rep(i, high) for (ll i = 0; i < high; i++)
#define repp(i, low, high) for (ll i = low; i < high; i++)
#define repe(i, container) for (auto& i : container)
#define per(i, high) for (ll i = high; i >= 0; i--)

#define readpush(type,vect) type temp; read(temp); vect.push_back(temp);
#define readvector(type, name, size) vector<type> name(size); rep(i,size) {dread(type,temp); name[i]=temp;}
#define readinsert(type,a) {type temp; read(temp); a.insert(temp);}
#define all(a) begin(a),end(a)
#define setcontains(set, x) (set.find(x) != set.end())
#define stringcontains(str, x) (str.find(x) != string::npos)
#define within(a, b, c, d) (a >= 0 && a < b && c >= 0 && c < d)

#define ceildiv(x,y) ((x + y - 1) / y)
#define fract(a) (a-floor(a))
#define sign(a) ((a>0) ? 1 : -1)

auto Start = chrono::high_resolution_clock::now();

inline void fast()
{
    ios::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
}

int n, m, k;

int main() {
    //fast();
    
    cin >> n >> m >> k;

    ll meal_sum = 0;
    vector<int> meals(n);
    for(int i = 0; i < n; i++) {
        cin >> meals[i];
        meal_sum += meals[i];

        if(meals[i] < k) {
            cout << "Impossible";
            return 0;
        }
    }

    ll chef_sum = 0;
    vector<int> chefs(m);
    for(int i = 0; i < m; i++) {
        cin >> chefs[i];
        chef_sum += chefs[i];
    }

    vector<int> dp(90010, -1);
    dp[0] = 0;
    for(int c = 0; c < m; c++) {
        int ones = min(chefs[c], n);

        vector<int> new_dp(dp.size());
        for(int sum = 0; sum < chef_sum + 1; sum++) {

            new_dp[sum] = dp[sum];
            if(chefs[c] <= sum && dp[sum - chefs[c]] != -1) {
                new_dp[sum] = max(new_dp[sum],dp[sum - chefs[c]] + ones);
            }
        }

        dp = new_dp;
    }

    ll required_ones = n * k;
    for(int sum = 0; sum < dp.size(); sum++) {
        if(dp[sum] >= required_ones && sum >= meal_sum) {
            cout << (sum - meal_sum);
            return 0;
        }
    }

    cout << "Impossible";
}

Compilation message

kitchen.cpp:18: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
   18 | #pragma GCC optimization ("O3")
      | 
kitchen.cpp:19: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
   19 | #pragma GCC optimization ("unroll-loops")
      | 
kitchen.cpp: In function 'int main()':
kitchen.cpp:116:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  116 |     for(int sum = 0; sum < dp.size(); sum++) {
      |                      ~~~~^~~~~~~~~~~

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1012 KB Output is correct
2 Correct 1 ms 1012 KB Output is correct
3 Correct 1 ms 1012 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 1012 KB Output is correct

Subtask #2
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1012 KB Output is correct
2 Correct 1 ms 1012 KB Output is correct
3 Correct 1 ms 1012 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 1012 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 1012 KB Output is correct
11 Correct 1 ms 1012 KB Output is correct
12 Correct 1 ms 1012 KB Output is correct
13 Correct 1 ms 1012 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 25 ms 980 KB Output is correct
2 Correct 22 ms 1012 KB Output is correct
3 Correct 22 ms 980 KB Output is correct
4 Correct 34 ms 980 KB Output is correct
5 Correct 34 ms 1012 KB Output is correct
6 Correct 16 ms 980 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 980 KB Output is correct
2 Correct 2 ms 1012 KB Output is correct
3 Correct 2 ms 1012 KB Output is correct
4 Correct 1 ms 1012 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #5
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1012 KB Output is correct
2 Correct 1 ms 1012 KB Output is correct
3 Correct 1 ms 1012 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 1012 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 1012 KB Output is correct
11 Correct 1 ms 1012 KB Output is correct
12 Correct 1 ms 1012 KB Output is correct
13 Correct 1 ms 1012 KB Output is correct
14 Correct 25 ms 980 KB Output is correct
15 Correct 22 ms 1012 KB Output is correct
16 Correct 22 ms 980 KB Output is correct
17 Correct 34 ms 980 KB Output is correct
18 Correct 34 ms 1012 KB Output is correct
19 Correct 16 ms 980 KB Output is correct
20 Correct 2 ms 980 KB Output is correct
21 Correct 2 ms 1012 KB Output is correct
22 Correct 2 ms 1012 KB Output is correct
23 Correct 1 ms 1012 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 18 ms 1012 KB Output is correct
26 Correct 30 ms 1012 KB Output is correct
27 Correct 10 ms 1012 KB Output is correct
28 Correct 21 ms 1012 KB Output is correct
29 Correct 23 ms 1012 KB Output is correct
30 Correct 38 ms 972 KB Output is correct