Compilare: main.cpp: In function 'void unire(int, int)': main.cpp:38:13: warning: unused variable 'lina' [-Wunused-variable] 38 | int lina = s[sefa].linie; | ^~~~ main.cpp:39:13: warning: unused variable 'linb' [-Wunused-variable] 39 | int linb = s[sefb].linie; | ^~~~ main.cpp: In function 'int main()': main.cpp:83:13: warning: variable 'vanzator' set but not used [-Wunused-but-set-variable] 83 | int vanzator = -1; | ^~~~~~~~ main.cpp:121:17: warning: unused variable 'x' [-Wunused-variable] 121 | int x = fac[nr]; | ^ main.cpp:122:17: warning: unused variable 'y' [-Wunused-variable] 122 | int y = inv(fac[nr-a]); | ^ main.cpp:123:17: warning: unused variable 'z' [-Wunused-variable] 123 | int z = inv(fac[a]); | ^