Submission #560625

#	Time	Username	Problem	Language	Result	Execution time	Memory
560625		ala2	Painting Walls (APIO20_paint)	C++14	0 / 100	1 ms	724 KiB

paint

#include "paint.h"
#include <vector>
#include<bits/stdc++.h>
#define F first
#define S second
#define pb push_back
using namespace std;

map<pair<int,int>,int>mp;
int a[1001000];
vector<int>v;
int n,m;
int mm[1001000];
int vis[1001000];
int good(int i,int j)
{
    for(int k=0; k<m; k++)
    {
        int x=(i+k)%(m);
        int y=j+k;
        if( mp[{x,a[y]}]==0 )
        {
            //
            // cout<<"    :   "<<x<<"  "<<a[y]<<"  "<<y<<endl;
            return 0;
        }
    }
    return 1;
}
vector<int>ll;
int mk[1001000];
int co[100100];
int minimumInstructions(int N, int M, int K, vector<int> C,vector<int> A, vector<vector<int>> B)
{

    n=N;
    m=M;
    for(int i=0;i<C.size();i++)
    {
        if(!vis[C[i]])
        {
            vis[C[i]]=1;
            ll.pb(C[i]);
        }
    }
    for(int i=0; i<B.size(); i++)
    {
        for(int j=0; j<B[i].size(); j++)
        {
           if(!vis[B[i][j]])
        {
            vis[B[i][j]]=1;
            ll.pb(B[i][j]);
        }
        }
    }
    sort(ll.begin(),ll.end());
    for(int i=0;i<ll.size();i++)
    {
        mm[ll[i]]=i;
    }
    for(int i=0; i<C.size(); i++)
    {
        a[i]=mm[C[i]];
    }
    memset(co,-1,sizeof co);
    for(int i=0; i<B.size(); i++)
    {
        for(int j=0; j<B[i].size(); j++)
        {
            mp[{i,mm[B[i][j]]}]=1;
            co[mm[B[i][j]]]=i;
        }
    }
    for(int i=0;i<n;i++)
    {
        if(co[a[i]]==-1)
        {
            return -1;
        }
    }
    for(int i=0;i<n;i++)
    {
        int x=co[a[i]];
        if(good(x,i));
        {
            v.pb(i);
        }
    }
    int x=n-m;
        sort(v.begin(),v.end());
    int cur=0;
    int ans=1;
    int bb=0;
    if(v.size()==0)
    {
        return -1;
    }
    if(v[0]!=0)
    {
        return -1;
    }
    for(int i=1; i<v.size(); i++)
    {
        if(v[i]-v[i-1]>m)
            return -1;
    }
    if(n-v[v.size()-1]>m)
        return -1;

 //   if(n==m)
 //   {
 //       return 1;
 //   }
    for(int i=1; i<v.size(); i++)
    {
        if(cur==x)
            break;
        if(v[i]==x)
        {
            ans++;
            break;
        }

        if(i==v.size()-1)
        {
            if(v[i]==x)
            {
                ans++;
                break;
            }
            else
            {
                bb=1;
                break;
            }
        }
        if(v[i]-cur>m)
            bb=1;
        if(v[i+1]-cur>m)
        {
            ans++;
            cur=v[i];
        }
    }
    if(bb)
        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:38:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |     for(int i=0;i<C.size();i++)
      |                 ~^~~~~~~~~
paint.cpp:46:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |     for(int i=0; i<B.size(); i++)
      |                  ~^~~~~~~~~
paint.cpp:48:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |         for(int j=0; j<B[i].size(); j++)
      |                      ~^~~~~~~~~~~~
paint.cpp:58:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |     for(int i=0;i<ll.size();i++)
      |                 ~^~~~~~~~~~
paint.cpp:62:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |     for(int i=0; i<C.size(); i++)
      |                  ~^~~~~~~~~
paint.cpp:67:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |     for(int i=0; i<B.size(); i++)
      |                  ~^~~~~~~~~
paint.cpp:69:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |         for(int j=0; j<B[i].size(); j++)
      |                      ~^~~~~~~~~~~~
paint.cpp:85:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   85 |         if(good(x,i));
      |         ^~
paint.cpp:86:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   86 |         {
      |         ^
paint.cpp:103:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  103 |     for(int i=1; i<v.size(); i++)
      |                  ~^~~~~~~~~
paint.cpp:115:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  115 |     for(int i=1; i<v.size(); i++)
      |                  ~^~~~~~~~~
paint.cpp:125:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  125 |         if(i==v.size()-1)
      |            ~^~~~~~~~~~~~

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