# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
283115 | aymanrs | Vision Program (IOI19_vision) | C++14 | 0 ms | 0 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 <iostream>
#include <set>
#include <vector>
std::set<std::pair<std::pair<int,int>, std::pair<int, int>>> alreadyTried;
bool valid(int H, int W, int i, int j, int oI, int oJ){
if(oI < i || (oI == i && oJ < j)){
if(alreadyTried.find({{oI, oJ}, {i, j}}) != alreadyTried.end()){
return false;
} else {
alreadyTried.insert({{oI, oJ}, {i, j}});
}
} else {
if(alreadyTried.find({{i, j}, {oI, oJ}}) != alreadyTried.end()){
return false;
} else {
alreadyTried.insert({{i, j}, {oI, oJ}});
}
}
return i >= 0 && i < H && j >= 0 && j < W;
}
void construct_network(int H, int W, int K){
int ind = H*W;
for(int i = 0;i < H;i++){
for(int j = 0;j < W;j++){
for(int x = -K + 1; x < K;x++){
int y = K - abs(x);
if(valid(H, W, i+y, j+x, i, j)){
add_and({i*W+j, (i+y)*H + (j+x)*W});
ind++;
}
y=-y;
if(valid(H, W, i+y, j+x, i, j)){
add_and({i*W+j, (i+y)*H + (j+x)*W});
ind++;
}
}
if(valid(H, W, i, j+K, i, j)){
add_and({i*W+j, i*H + (j+K)*W});
ind++;
}
if(valid(H, W, i, j-K, i, j)){
add_and({i*W+j, i*H + (j-K)*W});
ind++;
}
}
}
std::vector<int> vec;
for(int i = H*W;i < ind;i++){
vec.push_back(i);
}
add_or(vec);
}