Submission #516627

#	Time	Username	Problem	Language	Result	Execution time	Memory
516627		DanerZein	Vision Program (IOI19_vision)	C++14	14 / 100	8 ms	1268 KiB

vision

#include "vision.h"
#include <bits/stdc++.h>
using namespace std;
int pos[210][210];
void construct_network(int H, int W, int K) {
  int id=0;
  for(int i=0;i<H;i++){
    for(int j=0;j<W;j++){
      pos[i][j]=id++;
    }
  }
  vector<int> qu; 
  int a;
  for(int i=0;i<H;i++){
    qu.clear();
    for(int j=0;j<W;j++){
      qu.push_back(pos[i][j]);
    }
    a=add_or(qu);
  }
  int b;
  for(int i=0;i<W;i++){
    qu.clear();
    for(int j=0;j<H;j++){
      qu.push_back(pos[j][i]);
    }
    b=add_or(qu);
  }
  int q;
  vector<int> imp;
  qu.clear();
  for(int i=H*W;i<=a;i++){
    qu.push_back(i);
  }
  q=add_xor(qu);
  qu.clear();
  for(int i=a+1;i<=b;i++){
    qu.push_back(i);
  }
  q=add_xor(qu);
  qu.clear(); qu={q,q-1};
  imp.push_back(add_or(qu));
  int r;
  int l=H*W;
  for(int i=0;i<H-1;i++){
    qu.clear(); qu={l,l+1};
    r=add_and(qu);
    l++;
  }
  l=a+1;
  for(int j=0;j<W-1;j++){
    qu.clear(); qu={l,l+1};
    r=add_and(qu);
    l++;
  }
  qu.clear();
  for(int i=q+2;i<=r;i++){
    qu.push_back(i);
  }
  imp.push_back(add_or(qu));
  q=add_and(imp);
  return;
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:13:7: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized]
   13 |   int a;
      |       ^

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