Submission #294831

#	Time	Username	Problem	Language	Result	Execution time	Memory
294831		phillip	Vision Program (IOI19_vision)	C++14	44 / 100	12 ms	2424 KiB

vision

#include "vision.h"
#include <bits/stdc++.h>
#define ll long long
#define fast cin.tie(0);cout.tie(0);
#define order ios::sync_with_stdio(0);ios_base::sync_with_stdio(0);
#define pb push_back
using namespace std;
vector<int> q;
int cur,k,h,w;
void check(int x,int y)
{
    //if(x==2&&y==2)cout<<": ";
    vector<int>qq;
    for(int i=0;i<=k;i++)
    {
        int j=k-i;
        if(!(j+y>=w||i+x>=h))qq.push_back((i+x)*w+j+y);
        if((y-j>=0&&i+x<h)&&i!=0&&j!=0)qq.push_back((i+x)*w+y-j);
    }
 //   cout<<x<<" "<<y<<": ";for(int i=0;i<qq.size();i++)cout<<qq[i]<<" ";cout<<"\n";
    if(qq.size()==0)return;
    add_or(qq);
    cur++;
    add_and({cur-1,x*w+y});
    q.push_back(cur);
    cur++;
}
void construct_network(int hh, int ww, int kk)
{
    w=ww;h=hh;k=kk;
    cur=h*w;
    if(k==0)
    {
        for(int i=0;i<h;i++)
        {
            for(int j=i%2;j<w;j+=2)
            {
                vector<int>qq;
                if(i)qq.push_back((i-1)*w+j);
                if(i<h-1)qq.push_back((i+1)*w+j);
                if(j)qq.push_back(i*w+j-1);
                if(j<w-1)qq.push_back(i*w+j+1);
                add_or(qq);
   //             cout<<i<<" "<<j<<": ";
                for(int i=0;i<qq.size();i++)cout<<qq[i]<<" ";cout<<"\n";
                cur++;
                add_and({cur-1,i*w+j});
                q.push_back(cur);
                cur++;
            }
        }
        add_and(q);
        return;
    }
	else if(min(h,w)==1)
    {
        int mx=max(h,w);
        for(int i=0;i<mx-k;i++)
        {
            add_and({i,i+k});
            q.push_back(mx+i);
        }
        add_or(q);
        return;
	}
	else if(max(h,w)<=200)
    {
        for(int i=0;i<h;i++)
        {
            for(int j=0;j<w;j++)
            {
                check(i,j);
            }
        }
        add_or(q);
    }
	else
    {
        for(int i=0;i<=k;i++)
        {
            int j=k-i;
            if(j>=w||i>=h)continue;
            q.push_back(i*w+j);
        }
        add_or(q);
    }
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:45:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |                 for(int i=0;i<qq.size();i++)cout<<qq[i]<<" ";cout<<"\n";
      |                             ~^~~~~~~~~~
vision.cpp:45:17: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   45 |                 for(int i=0;i<qq.size();i++)cout<<qq[i]<<" ";cout<<"\n";
      |                 ^~~
vision.cpp:45:62: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   45 |                 for(int i=0;i<qq.size();i++)cout<<qq[i]<<" ";cout<<"\n";
      |                                                              ^~~~

• Subtask 1: 10 / 10
• Subtask 2: 11 / 11
• Subtask 3: 11 / 11
• Subtask 4: 0 / 15
• Subtask 5: 12 / 12
• Subtask 6: 0 / 8
• Subtask 7: 0 / 14
• Subtask 8: 0 / 19