Eroare de compilare: user.cpp: In function ‘double vert(pct, pct, pct, pct)’: user.cpp:60:18: error: ‘INFINITY’ was not declared in this scope double ans = INFINITY; ^~~~~~~~ user.cpp:63:50: error: ‘fabs’ was not declared in this scope ans = min(ans, fabs(A.y - inters(C, A, D))); ^ user.cpp:66:50: error: ‘fabs’ was not declared in this scope ans = min(ans, fabs(B.y - inters(C, B, D))); ^ user.cpp:70:50: error: ‘fabs’ was not declared in this scope ans = min(ans, fabs(C.y - inters(A, C, B))); ^ user.cpp:73:50: error: ‘fabs’ was not declared in this scope ans = min(ans, fabs(D.y - inters(A, D, B))); ^ user.cpp: In function ‘void trage_muchie(int, int)’: user.cpp:92:19: error: ‘INFINITY’ was not declared in this scope double cost = INFINITY; ^~~~~~~~