Compilare: user.cpp: In function ‘int binarySearch(std::pair<int, 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:105:23: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int j=poz-1;j>=1;j--) ^ user.cpp: In function ‘void Solve()’: user.cpp:157:67: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(Bird[i].first>=Wall[M-1].first || Bird[i].second>Ma[poz]) ^