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Submission #833509

# Submission time Handle Problem Language Result Execution time Memory
833509 2023-08-22T06:19:37 Z vjudge1 Exam (eJOI20_exam) C++17
14 / 100
 1000 ms 8528 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int MX = 15;

int N;
int H[MX], T[MX];
map<vector<int>, int> memo;

int f(vector<int> v) {
      if(memo.count(v)) return memo[v];

      int res = 0;

      for(int i = 0; i < N; i++) res += v[i] == T[i];

      for(int l = 0; l < N; l++) {
            int mx = 0;
            for(int r = l; r < N; r++) {
                  mx = max(mx, v[r]);

                  vector<int> nv = v;

                  for(int k = l; k <= r; k++) nv[k] = mx;

                  if(nv != v)
                        res = max(res, f(nv));
            }
      }

      return memo[v] = res;
}

int main() {
      cin.tie(0); ios_base::sync_with_stdio(0);

      cin >> N;
      for(int i = 0; i < N; i++) cin >> H[i];
      for(int i = 0; i < N; i++) cin >> T[i];
      
      vector<int> v;
      for(int i = 0; i < N; i++) v.push_back(H[i]);

      cout << f(v) << '\n';
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 2 ms 212 KB Output is correct
6 Correct 250 ms 2284 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 956 ms 8528 KB Output is correct
2 Runtime error 1 ms 468 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 2 ms 212 KB Output is correct
6 Correct 250 ms 2284 KB Output is correct
7 Correct 22 ms 440 KB Output is correct
8 Execution timed out 1068 ms 212 KB Time limit exceeded
9 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 2 ms 212 KB Output is correct
6 Correct 250 ms 2284 KB Output is correct
7 Correct 956 ms 8528 KB Output is correct
8 Runtime error 1 ms 468 KB Execution killed with signal 11
9 Halted 0 ms 0 KB -