Compilare: main.cpp: In function 'int findFirst(std::vector<int>, int)': main.cpp:76:26: warning: variable 'sol' set but not used [-Wunused-but-set-variable] 76 | int st=1,dr=v.size(),sol = -1; | ^~~ main.cpp:86:1: warning: no return statement in function returning non-void [-Wreturn-type] 86 | } | ^ main.cpp: In function 'int findLast(std::vector<int>, int)': main.cpp:89:28: warning: variable 'sol' set but not used [-Wunused-but-set-variable] 89 | int st=0,dr=v.size()-1,sol = -1; | ^~~ main.cpp:99:1: warning: no return statement in function returning non-void [-Wreturn-type] 99 | } | ^