Submission #747728

#	Time	Username	Problem	Language	Result	Execution time	Memory
747728		nguyentunglam	Kitchen (BOI19_kitchen)	C++17	31 / 100	2 ms	324 KiB

kitchen

#include<bits/stdc++.h>
#define fi first
#define se second
#define endl "\n"
#define ii pair<int, int>
using namespace std;
const int N = 310;
int b[N];
int main() {
    #define task ""
    cin.tie(0) -> sync_with_stdio(0);
    if (fopen ("task.inp", "r")) {
        freopen ("task.inp", "r", stdin);
        freopen ("task.out", "w", stdout);
    }
    if (fopen (task".inp", "r")) {
        freopen (task".inp", "r", stdin);
        freopen (task".out", "w", stdout);
    }
    int n, m, k; cin >> n >> m >> k;
    int sum = 0, ans = 1e9;
    for(int i = 1; i <= n; i++) {
        int x; cin >> x;
        if (x < k) return cout << "Impossible", 0;
        sum += x;
    }
    for(int i = 0; i < m; i++) cin >> b[i];
    for(int mask = 0; mask < (1 << m); mask++) {
        int sum1 = 0, sum2 = 0;
        for(int i = 0; i < m; i++) if (mask >> i & 1) {
            sum1 += min(n, b[i]);
            sum2 += b[i];
        }
        if (sum1 >= n * k && sum2 >= sum) ans = min(ans, sum2 - sum);
    }
    if (ans == 1e9) return cout << "Impossible", 0;
    cout << ans;
}

Compilation message (stderr)

kitchen.cpp: In function 'int main()':
kitchen.cpp:13:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |         freopen ("task.inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
kitchen.cpp:14:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |         freopen ("task.out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
kitchen.cpp:17:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |         freopen (task".inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
kitchen.cpp:18:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |         freopen (task".out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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