Compilare: user.cpp: In function ‘int searchLine(int, int)’: user.cpp:24:9: warning: ‘mid’ may be used uninitialized in this function [-Wmaybe-uninitialized] int mid, left = 1, right = numCols; ^~~ user.cpp: In function ‘int main()’: user.cpp:75:47: warning: ‘mid’ may be used uninitialized in this function [-Wmaybe-uninitialized] res[i] = sum[i][searchLine(i, mid)]; ~~~~~~~~~~~~~~~~~~~~~~~~~^ user.cpp:93:20: warning: ‘mid’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << mid << '\n'; ^~~~