yarrr-ru

#include "game.h"
#include "geometry.h"
#include <queue>
#include <array>
#include <set>
#include <cstdlib>

constexpr size_t kNone = std::numeric_limits<size_t>::max();
constexpr double kEps = 1e-5;
constexpr size_t kProfitTurnsAfterReset = 10;

yarrr-ru

#pragma GCC optimize("Ofast,no-stack-protector,tree-vectorize")
#pragma GCC target("avx,sse4,tune=native")

#include <iostream>
#include <cassert>
#include <string>
#include <vector>
#include <array>
#include <numeric>
#include <algorithm>

yarrr-ru

x1=-1.0; x2=+1.0; y1=-1.5; y2=+4.5; z1=-1.0; z2=+1.0;
nx=7; ny=9; nz=5;
step_x=(x2-x1)/(nx-1); step_y=(y2-y1)/(ny-1); step_z=(z2-z1)/(nz-1);
step_min = min([step_x step_y step_z]); 
[x,y,z]=meshgrid([x1:step_x:x2], [y1:step_y:y2], [z1:step_z:z2]); 
f= 4.*x+x.^2.*y-z.*y;

isosurface(x,y,z,f), title('PS. Press<enter>');
pause;
close;

yarrr-ru

x1=-1.0; x2=+1.0; y1=-1.5; y2=+4.5; 
nx=7; ny=9; 
step_x=(x2-x1)/(nx-1); step_y=(y2-y1)/(ny-1); 
step_min = min(step_x,step_y); 
[x,y]=meshgrid([x1:step_x:x2], [y1:step_y:y2]); 
z= x.^3 + 5.*x.^2.*y + x - y.^3; 
surf(x,y,z), title('PS. Press<enter>'); 
pause; 
xx=reshape(x,1,nx*ny); 
yy=reshape(y,1,nx*ny);