Compilare: user.cpp: In function ‘long long int binarySearch(std::pair<long long int, long long int>)’: user.cpp:93:12: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] return sol; ^ user.cpp: In function ‘void buildEvents()’: user.cpp:105:29: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(long long j=poz-1;j>=1;j--) ^ user.cpp: In function ‘void Solve()’: user.cpp:156:37: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] int poz=binarySearch(Bird[i]); ^