Submission #735376

#	Time	Username	Problem	Language	Result	Execution time	Memory
735376		keisuke6	Painting Walls (APIO20_paint)	C++14	Compilation error	0 ms	0 KiB

paint

#include "paint.h"
#include <iostream>
#include <vector>
#include <map>
using namespace std;
int minimumInstructions(int N, int M, int K, vector<int> C,vector<int> A, vector<vector<int>> B){
  map<int,int> m;// c, p
  vector<int> A(N);
  for(int i=0;i<M;i++){
    for(int x:B[i]){
      m[x] = i;
    }
  }
  for(int i=0;i<N;i++) A[i] = m[C[i]];
  int ans = 1;
  for(int i=1;i<N;i++){
    if((A[i-1]+1)%M != A[i]){
      ans++;
      if(N-M < i) return -1;
    } 
  }
  return ans;
}

Compilation message (stderr)

paint.cpp: In function 'int minimumInstructions(int, int, int, std::vector<int>, std::vector<int>, std::vector<std::vector<int> >)':
paint.cpp:8:15: error: declaration of 'std::vector<int> A' shadows a parameter
    8 |   vector<int> A(N);
      |               ^
paint.cpp:6:72: note: 'std::vector<int> A' previously declared here
    6 | int minimumInstructions(int N, int M, int K, vector<int> C,vector<int> A, vector<vector<int>> B){
      |                                                            ~~~~~~~~~~~~^