oj.uz

Submission #567537

# Submission time Handle Problem Language Result Execution time Memory
567537 2022-05-23T16:44:30 Z birthdaycake Kitchen (BOI19_kitchen) C++17
51 / 100
 16 ms 1048 KB 
#include<bits/stdc++.h>
#define endl '\n'
#define int long long
#define mod 1000000007
#define boost ios_base::sync_with_stdio(false), cin.tie(NULL);
using namespace std;
 
 
 
 
int dp[200001],a[20001],b[200001];
 
signed main(){
    boost;
    
    
    
    
    int n,m,k,sum = 0; cin >> n >> m >>  k;
    for(int i = 0; i < n; i++){
        cin >> a[i]; sum += a[i];
    }
    
    if(k == 1){
        for(int j = 0; j < m; j++) cin >> b[j];
        
        dp[0] = 1;
        for(int i = 0; i < m; i++){
            for(int j = 90000; j >= b[i]; j--){
                dp[j] += dp[j - b[i]];
            }
        }
        for(int i = sum; i <= 90000; i++){
            if(dp[i]){
                cout << i - sum;
                return 0;
            }
        }
        cout << "Impossible";
        return 0;
    }
    
    
    for(int j = 0; j < m; j++) cin >> b[j];
    
    if(m < k){
        cout << "Impossible";
        return 0;
    }
    
    for(int i = 0; i < n; i++){
        if(a[i] < k){
            cout << "Impossible";
            return 0;
        }
    }
    
    
    
    int ans = 1e18;
    for(int i = 0; i < (1 << m); i++){
        int tot = 0, good = 1, xx = 0;
        for(int j = 0; j < m; j++){
            if(i & (1 << j)){
                xx += min(b[j],n);
                tot += b[j];
            }
        }
        if(xx >= n * k){
            if(tot >= sum) ans = min(ans,tot - sum);
        }
        
    }
    if(ans == 1e18){
        cout << "Impossible";
        return 0;
    }
    cout << ans;
    return 0;
}

Compilation message

kitchen.cpp: In function 'int main()':
kitchen.cpp:62:22: warning: unused variable 'good' [-Wunused-variable]
   62 |         int tot = 0, good = 1, xx = 0;
      |                      ^~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 980 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 2 ms 224 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 2 ms 212 KB Output is correct
13 Correct 2 ms 340 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 980 KB Output is correct
2 Correct 11 ms 1048 KB Output is correct
3 Correct 16 ms 980 KB Output is correct
4 Correct 15 ms 980 KB Output is correct
5 Correct 15 ms 1044 KB Output is correct
6 Correct 10 ms 992 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 2 ms 224 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 2 ms 212 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 13 ms 980 KB Output is correct
15 Correct 11 ms 1048 KB Output is correct
16 Correct 16 ms 980 KB Output is correct
17 Correct 15 ms 980 KB Output is correct
18 Correct 15 ms 1044 KB Output is correct
19 Correct 10 ms 992 KB Output is correct
20 Incorrect 0 ms 212 KB Output isn't correct
21 Halted 0 ms 0 KB -