Submission #743693

#	Time	Username	Problem	Language	Result	Execution time	Memory
743693		speedyArda	Painting Walls (APIO20_paint)	C++14	12 / 100	55 ms	13648 KiB

paint

#include "paint.h"
#include <vector>
#include "bits/stdc++.h"

using namespace std;
const int MAXN = 1e5+5;
vector< vector< int > > colors(MAXN);

int minimumInstructions(int N, int M, int K, vector<int> C, vector<int> A, vector< vector<int> > B) {
  for(int i = 0; i < M; i++)
  {
    for(int a = 0; a < A[i]; a++)
    {
      colors[B[i][a]].push_back(i);
    }
  }
  int max_color = 0;
  for(int i = 0; i < K; i++)
  {
    max_color = max(max_color, (int)colors[i].size());
  }

  if(max_color <= 1) // Sub 1
  {
    if(colors[C[0]].size() == 0)
      return -1;
    int curr = (colors[C[0]][0] + 1) % M;
    for(int i = 1; i < N; i++)
    {
      if(colors[C[i]].empty() || colors[C[i]][0] != curr)
        return -1;
      curr++;
      curr %= M;
    }

    return ((N + (M - 1)) / M);
  } else {

  }
  return 0;
}

• Subtask 1: 12 / 12
• Subtask 2: 0 / 15
• Subtask 3: 0 / 13
• Subtask 4: 0 / 23
• Subtask 5: 0 / 37