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Submission #956739

# Submission time Handle Problem Language Result Execution time Memory
956739 2024-04-02T12:07:43 Z DeltaStruct Miners (IOI07_miners) C++17
9 / 100
 94 ms 604 KB 
#include <bits/stdc++.h>
using namespace std;
 
int main(){
  int n,id=numeric_limits<int>::lowest(); cin >> n; string s; cin >> s; vector dp(4,vector(4,vector(4,vector<int>(4,id))));
  string u = "MFB"; dp[3][3][3][3] = 0; auto res = dp;
  for (char a:s){
    int t = find(u.begin(),u.end(),a)-u.begin();
    for (int i(0);i < 4;++i) for (int k(0);k < 4;++k) for (int j(0);j < 4;++j) for (int l(0);l < 4;++l){
      if (dp[i][k][j][l]!=id){
        res[k][t][j][l] = max(res[k][t][j][l],dp[i][k][j][l]+(i==k)+(i==t)+(k==t)-(i==3||k==3));
        res[i][k][l][t] = max(res[i][k][l][t],dp[i][k][j][l]+(j==l)+(j==t)+(l==t)-(j==3||l==3));
      }
    }
    swap(dp,res);
  }
  int r = 0;
  for (int i(0);i < 4;++i) for (int k(0);k < 4;++k) for (int j(0);j < 4;++j) for (int l(0);l < 4;++l){
    r = max(r,dp[i][k][j][l]);
  }
  cout << r << endl;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 460 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 24 ms 484 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #11
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 70 ms 604 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #12
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 94 ms 600 KB Output isn't correct
2 Halted 0 ms 0 KB -