# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
296516 | humbertoyusta | Vision Program (IOI19_vision) | C++14 | 5 ms | 1568 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "vision.h"
#include<bits/stdc++.h>
using namespace std;
#define db(x) cerr << #x << ": " << (x) << '\n';
#define f first
#define s second
#define pb push_back
#define ii pair<int,int>
vector<int> v[40040];
void construct_network(int H, int W, int K) {
if( max(W,H) <= 30 || min(W,H) == 1 ){
for(int i=0; i<H; i++)
for(int j=0; j<W; j++)
for(int k=0; k<H; k++)
for(int l=0; l<W; l++)
if( abs(l - j) + abs(k - i) == K )
if( k >= i ) v[i*W+j].pb(k*W+l);
vector<int> vx;
int cnt = W*H-1;
for(int i=0; i<W*H; i++){
if( v[i].size() ){
add_or(v[i]);
++cnt;
vector<int> n;
n.pb(i);
n.pb(cnt);
add_and(n);
++cnt;
vx.pb(cnt);
}
}
add_or(vx);
}
else{
vector<ii> v;
for(int i=0; i<1; i++)
for(int j=0; j<1; j++)
for(int k=0; k<H; k++)
for(int l=0; l<W; l++)
if( abs(l - j) + abs(k - i) == K )
v.pb({i*W+j,k*W+l});
for( auto i : v ){
vector<int> N;
N.pb(i.f);
N.pb(i.s);
add_and(N);
}
vector<int> vx;
for(int i=W*H; i<W*H+v.size(); i++)
vx.pb(i);
add_or(vx);
}
}
Compilation message (stderr)
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