#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);
}
Compilation message
vision.cpp: In function 'bool valid(int, int, int, int, int, int)':
vision.cpp:19:12: error: label 'i' used but not defined
19 | return && i >= 0 && i < H && j >= 0 && j < W;
| ^
vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:28:6: error: 'add_and' was not declared in this scope
28 | add_and({i*W+j, (i+y)*H + (j+x)*W});
| ^~~~~~~
vision.cpp:33:6: error: 'add_and' was not declared in this scope
33 | add_and({i*W+j, (i+y)*H + (j+x)*W});
| ^~~~~~~
vision.cpp:38:5: error: 'add_and' was not declared in this scope
38 | add_and({i*W+j, i*H + (j+K)*W});
| ^~~~~~~
vision.cpp:42:5: error: 'add_and' was not declared in this scope
42 | add_and({i*W+j, i*H + (j-K)*W});
| ^~~~~~~
vision.cpp:51:2: error: 'add_or' was not declared in this scope
51 | add_or(vec);
| ^~~~~~
