oj.uz

Submission #648720

# Submission time Handle Problem Language Result Execution time Memory
648720 2022-10-07T19:21:10 Z Lobo Kitchen (BOI19_kitchen) C++17
100 / 100
 118 ms 199448 KB 
#include<bits/stdc++.h>
using namespace std;
const long long inf = (long long) 1e18 + 10;
const int inf1 = (int) 1e9 + 10;
#define int long long
#define dbl long double
#define endl '\n'
#define sc second
#define fr first
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()

const int maxn = 303;

int n, m, k, a[maxn], b[maxn], dp[maxn][maxn*maxn];

void solve() {
    cin >> n >> m >> k;
    for(int i = 1; i <= n; i++)
        cin >> a[i];
    for(int i = 1; i <= m; i++) 
        cin >> b[i];

    int sma = 0;
    for(int i = 1; i <= n; i++) {
        sma+= a[i];
        if(a[i] < k) {
            cout << "Impossible" << endl; return;
        }
    }
    int smb = 0;
    for(int i = 1; i <= m; i++) smb+= b[i];
    
    dp[0][0] = 0;
    for(int i = 1; i <= smb; i++) dp[0][i] = -inf;

    for(int i = 1; i <= m; i++) {
        for(int j = 0; j <= smb; j++) {
            dp[i][j] = dp[i-1][j];
            if(j-b[i] >= 0) dp[i][j] = max(dp[i][j],dp[i-1][j-b[i]]+min(n,b[i]));
        }
    }

    int ans = inf;
    for(int i = sma; i <= smb; i++) {
        if(dp[m][i] >= n*k) {
            cout << i-sma << endl;
            return;
        }
    }
    cout << "Impossible" << endl;
}

int32_t main() {
    ios::sync_with_stdio(false); cin.tie(0);

    // freopen("in.in", "r", stdin);
    // freopen("out.out", "w", stdout);
    int tt = 1;
    // cin >> tt;
    while(tt--) {
        solve();
    }

}

Compilation message

kitchen.cpp: In function 'void solve()':
kitchen.cpp:45:9: warning: unused variable 'ans' [-Wunused-variable]
   45 |     int ans = inf;
      |         ^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 724 KB Output is correct
10 Correct 1 ms 724 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 844 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 136524 KB Output is correct
2 Correct 50 ms 102220 KB Output is correct
3 Correct 57 ms 114832 KB Output is correct
4 Correct 97 ms 195788 KB Output is correct
5 Correct 118 ms 196324 KB Output is correct
6 Correct 43 ms 83200 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 968 KB Output is correct
2 Correct 1 ms 724 KB Output is correct
3 Correct 1 ms 848 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 340 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 724 KB Output is correct
10 Correct 1 ms 724 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 844 KB Output is correct
14 Correct 76 ms 136524 KB Output is correct
15 Correct 50 ms 102220 KB Output is correct
16 Correct 57 ms 114832 KB Output is correct
17 Correct 97 ms 195788 KB Output is correct
18 Correct 118 ms 196324 KB Output is correct
19 Correct 43 ms 83200 KB Output is correct
20 Correct 1 ms 968 KB Output is correct
21 Correct 1 ms 724 KB Output is correct
22 Correct 1 ms 848 KB Output is correct
23 Correct 1 ms 980 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 52 ms 99880 KB Output is correct
26 Correct 80 ms 123816 KB Output is correct
27 Correct 21 ms 37144 KB Output is correct
28 Correct 52 ms 101568 KB Output is correct
29 Correct 70 ms 139068 KB Output is correct
30 Correct 114 ms 199448 KB Output is correct