제출 #567252

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
567252		RealSnake	Kitchen (BOI19_kitchen)	C++14	0 / 100	73 ms	21556 KiB

kitchen

#include "bits/stdc++.h"
using namespace std;

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<pair<int, int>, null_type, less<pair<int,int>>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

#define ll long long
#define mod 1000000007

ofstream fout(".out");
ifstream fin(".in");

vector<int> v[90001];

signed main() {

    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    int n, m, k;
    cin >> n >> m >> k;
    int a[n], b[m];
    int x = 0;
    bool bad = 0;
    for(int i = 0; i < n; i++) {
        cin >> a[i];
        x += a[i];
        if(a[i] < k)
            bad = 1;
    }
    int sum = 0;
    for(int i = 0; i < m; i++) {
        cin >> b[i];
        sum += b[i];
    }
    if(bad) {
        cout << "Impossible";
        return 0;
    }
    sort(b, b + n);
    for(int i = m - 1; i >= 0; i--) {
        for(int j = sum; j >= b[i]; j--) {
            if(j == b[i] || v[j - b[i]].size()) {
                if(v[j - b[i]].size() + 1 > v[j].size()) {
                    v[j] = v[j - b[i]];
                    v[j].push_back(b[i]);
                }
            }
        }
    }
    for(int i = x; i <= sum; i++) {
        if(v[i].size() >= k) {
            int y = 0, z = 0;
            for(int o : v[i]) {
                y += o;
                z += min(n, o);
            }
            if(y >= x && z >= n * k) {
                cout << y - x;
                return 0;
            }
        }
    }
    cout << "Impossible";

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

kitchen.cpp: In function 'int main()':
kitchen.cpp:55:24: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   55 |         if(v[i].size() >= k) {
      |            ~~~~~~~~~~~~^~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 22
• Subtask 3: 0 / 20
• Subtask 4: 0 / 21
• Subtask 5: 0 / 28