Compilare: main.cpp: In function 'int main()': main.cpp:155:9: warning: unused variable 'bestSum' [-Wunused-variable] int bestSum = -int(2e9), beg, end; ^~~~~~~ main.cpp:155:30: warning: unused variable 'beg' [-Wunused-variable] int bestSum = -int(2e9), beg, end; ^~~ main.cpp:158:38: warning: 'end' may be used uninitialized in this function [-Wmaybe-uninitialized] out << sumaDiagonala<< " " << end; ^