Eroare de compilare: user.cpp:7:10: error: ‘int rand []’ redeclared as different kind of symbol int rand[] = {-1, 0 , 0 , 1}; ^ In file included from /usr/include/c++/4.8/cstdlib:72:0, from /usr/include/c++/4.8/ext/string_conversions.h:41, from /usr/include/c++/4.8/bits/basic_string.h:2815, from /usr/include/c++/4.8/string:52, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/stdlib.h:380:12: error: previous declaration of ‘int rand()’ extern int rand (void) __THROW; ^ user.cpp: In function ‘int f(int, int)’: user.cpp:17:25: warning: pointer to a function used in arithmetic [-Wpointer-arith] if (h[a + rand[i]][b + col[i]] < h[a][b] && f(rand[i] + a, col[i] + b) > best[a][b]) ^ user.cpp:17:25: warning: pointer to a function used in arithmetic [-Wpointer-arith] user.cpp:17:26: error: invalid types ‘int [1025][1025][int (*)()throw ()]’ for array subscript if (h[a + rand[i]][b + col[i]] < h[a][b] && f(rand[i] + a, col[i] + b) > best[a][b]) ^ user.cpp:17:61: warning: pointer to a function used in arithmetic [-Wpointer-arith] if (h[a + rand[i]][b + col[i]] < h[a][b] && f(rand[i] + a, col[i] + b) > best[a][b]) ^ user.cpp:17:65: warning: pointer to a function used in arithmetic [-Wpointer-arith] if (h[a + rand[i]][b + col[i]] < h[a][b] && f(rand[i] + a, col[i] + b) > best[a][b]) ^ user.cpp:17:63: error: invalid conversion from ‘int (*)()throw ()’ to ‘int’ [-fpermissive] if (h[a + rand[i]][b + col[i]] < h[a][b] && f(rand[i] + a, col[i] + b) > best[a][b]) ^ user.cpp:10:5: error: initializing argument 1 of ‘int f(int, int)’ [-fpermissive] int f(int a, int b) ^ user.cpp:18:34: warning: pointer to a function used in arithmetic [-Wpointer-arith] best[a][b] = f(rand[i] + a, col[i] + b); ^ user.cpp:18:38: warning: pointer to a function used in arithmetic [-Wpointer-arith] best[a][b] = f(rand[i] + a, col[i] + b); ^ user.cpp:18:36: error: invalid conversion from ‘int (*)()throw ()’ to ‘int’ [-fpermissive] best[a][b] = f(rand[i] + a, col[i] + b); ^ user.cpp:10:5: error: initializing argument 1 of ‘int f(int, int)’ [-fpermissive] int f(int a, int b) ^ user.cpp: In function ‘void restore(int, int)’: user.cpp:34:28: warning: pointer to a function used in arithmetic [-Wpointer-arith]