제출 #623568

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
623568		Awerar	Kitchen (BOI19_kitchen)	C++14	100 / 100	38 ms	1012 KiB

kitchen

#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";
}

컴파일 시 표준 에러 (stderr) 메시지

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 / 9
• Subtask 2: 22 / 22
• Subtask 3: 20 / 20
• Subtask 4: 21 / 21
• Subtask 5: 28 / 28