oj.uz

Submission #493084

# Submission time Handle Problem Language Result Execution time Memory
493084 2021-12-10T04:51:53 Z wiwiho Kitchen (BOI19_kitchen) C++14
31 / 100
 1000 ms 163252 KB 
#include <bits/stdc++.h>
 
#define printv(a, b) {\
    for(auto pv : a) b << pv << " ";\
    b << "\n";\
}
 
using namespace std;
 
typedef long long ll;
 
const ll MAX = INT_MAX;
 
void nosol(){
    cout << "Impossible\n";
    exit(0);
}
 
int n, m, k;
vector<int> a;
vector<int> b;
ll sa = 0;
 
const int SZ = 300;
 
ll calc(int h){
    
    vector<vector<ll>> dp(m + 2, vector<ll>((m + 1) * SZ + 10, -MAX));
    dp[0][0] = 0;
    for(int i = 1; i <= m; i++){
        
        for(int j = i; j >= 0; j--){
            for(int s = j * SZ; s >= 0; s--){
                ll tmp = dp[j][s] + min(b[i], h + 1);
                int nxt = j + (b[i] >= h);
                dp[nxt][s + b[i]] = max(dp[nxt][s + b[i]], tmp);
            }
        }
    }
 
    ll ans = MAX;
    for(int i = k; i <= m; i++){
        for(int j = sa; j <= m * SZ; j++){
            if(dp[i][j] >= n * k) ans = min(ans, j - sa);
        }
    }
 
    return ans;
}
 
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cerr.tie(0);
 
    cin >> n >> m >> k;
    a.resize(n + 1);
    b.resize(m + 1);
 
    ll sb = 0;
    for(int i = 1; i <= n; i++) cin >> a[i], sa += a[i];
    for(int i = 1; i <= m; i++) cin >> b[i], sb += b[i];
    sort(a.begin() + 1, a.end(), greater<>());
    sort(b.begin() + 1, b.end(), greater<>());
    
    if(k > m || sa > sb){
        nosol();
    }
 
    for(int i = 1; i <= n; i++) if(a[i] < k) nosol();
 
    ll ans = MAX;
    for(int i = 0; i <= SZ; i++){
        ans = min(ans, calc(i));
    }
    if(ans == MAX) nosol();
    cout << ans << "\n";
 
    return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 2 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 2 ms 248 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 2 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 2 ms 248 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 117 ms 984 KB Output is correct
10 Correct 131 ms 1008 KB Output is correct
11 Correct 116 ms 980 KB Output is correct
12 Correct 123 ms 1436 KB Output is correct
13 Correct 110 ms 972 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1097 ms 163252 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1078 ms 4604 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 2 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 2 ms 248 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 117 ms 984 KB Output is correct
10 Correct 131 ms 1008 KB Output is correct
11 Correct 116 ms 980 KB Output is correct
12 Correct 123 ms 1436 KB Output is correct
13 Correct 110 ms 972 KB Output is correct
14 Execution timed out 1097 ms 163252 KB Time limit exceeded
15 Halted 0 ms 0 KB -