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Submission #175901

# Submission time Handle Problem Language Result Execution time Memory
175901 2020-01-07T11:59:29 Z AlexLuchianov Kitchen (BOI19_kitchen) C++14
100 / 100
 162 ms 3348 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <bitset>

using namespace std;

using ll = long long;
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#define MAX(a, b) (((a) < (b)) ? (b) : (a))
int const nmax = 300;
int const inf = 1000000000;

int v[5 + nmax], v2[5 + nmax];
bitset<5 + nmax * nmax> dpinit, dp[5 + nmax];
int dist[5 + nmax * nmax];

int main()
{
  int n, k, m;
  cin >> n >> m >> k;
  int sum = 0;
  for(int i = 1;i <= n; i++) {
    cin >> v[i];
    sum += v[i];
    if(v[i] < k) {
      cout << "Impossible";
      return 0;
    }
  }
  dpinit[0] = 1;
  int ptr = 0;
  dp[0][0] = 1;
  for(int i = 1;i <= m; i++) {
    cin >> v2[i];
    if(v2[i] < n)
      dpinit |= (dpinit<<v2[i]);
    else{
      for(int j = ptr; 0 <= j; j--)
        dp[j + 1] |= (dp[j]<<v2[i]);
      ++ptr;
    }
  }
  dist[n * nmax + 1] = inf;
  for(int i = n * nmax; 0 <= i; i--){
    if(dpinit[i] == 1)
      dist[i] = 0;
    else
      dist[i] = dist[i + 1] + 1;
  }

  int result = inf;
  for(int i = 0; i <= ptr; i++){
    for(int j = 0; j <= i * nmax; j++){
      if(dp[i][j] == 1){
        int diff = MAX(n * k - i * n, sum - j);
        if(diff <= 0)
          result = MIN(result, j - sum);
        else
          result = MIN(result, dist[diff] + diff + j - sum);
      }
    }
  }

  if(1 + nmax * nmax <= result)
    cout << "Impossible";
  else
    cout << result;
  return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 760 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 760 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 3 ms 760 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 760 KB Output is correct
2 Correct 4 ms 760 KB Output is correct
3 Correct 4 ms 760 KB Output is correct
4 Correct 36 ms 1912 KB Output is correct
5 Correct 7 ms 1016 KB Output is correct
6 Correct 4 ms 760 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 760 KB Output is correct
2 Correct 3 ms 632 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 2 ms 348 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 760 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 3 ms 760 KB Output is correct
14 Correct 4 ms 760 KB Output is correct
15 Correct 4 ms 760 KB Output is correct
16 Correct 4 ms 760 KB Output is correct
17 Correct 36 ms 1912 KB Output is correct
18 Correct 7 ms 1016 KB Output is correct
19 Correct 4 ms 760 KB Output is correct
20 Correct 6 ms 760 KB Output is correct
21 Correct 3 ms 632 KB Output is correct
22 Correct 2 ms 504 KB Output is correct
23 Correct 2 ms 504 KB Output is correct
24 Correct 2 ms 348 KB Output is correct
25 Correct 108 ms 2900 KB Output is correct
26 Correct 144 ms 3348 KB Output is correct
27 Correct 25 ms 1528 KB Output is correct
28 Correct 51 ms 2164 KB Output is correct
29 Correct 162 ms 3320 KB Output is correct
30 Correct 60 ms 2424 KB Output is correct