Compilare: main.cpp: In function 'bool Check(int)': main.cpp:29:9: warning: unused variable 'number' [-Wunused-variable] int number; ^~~~~~ main.cpp: In function 'int binarySearch(int, int)': main.cpp:41:39: warning: unused variable 'result' [-Wunused-variable] int right = 2000000000, left = 1, result, solution = -1; ^~~~~~ main.cpp: In function 'int solve()': main.cpp:108:12: warning: 'taker' may be used uninitialized in this function [-Wmaybe-uninitialized] return taker; ^~~~~