oj.uz

Submission #493111

# Submission time Handle Problem Language Result Execution time Memory
493111 2021-12-10T05:49:23 Z wiwiho Kitchen (BOI19_kitchen) C++14
31 / 100
 1000 ms 163184 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--){
                if(dp[j][s] == -MAX) continue;
                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 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 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 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 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 121 ms 980 KB Output is correct
10 Correct 106 ms 992 KB Output is correct
11 Correct 94 ms 1584 KB Output is correct
12 Correct 98 ms 988 KB Output is correct
13 Correct 107 ms 972 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1088 ms 163184 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 1084 ms 4644 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 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 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 121 ms 980 KB Output is correct
10 Correct 106 ms 992 KB Output is correct
11 Correct 94 ms 1584 KB Output is correct
12 Correct 98 ms 988 KB Output is correct
13 Correct 107 ms 972 KB Output is correct
14 Execution timed out 1088 ms 163184 KB Time limit exceeded
15 Halted 0 ms 0 KB -