Compilare: main.cpp: In function 'int main()': main.cpp:9:19: warning: integer overflow in expression [-Woverflow] int bestsum = -(1<<31), sum = 0; ^~~~~~~~ main.cpp:34:43: warning: 'best_j' may be used uninitialized in this function [-Wmaybe-uninitialized] out<<bestsum<<' '<<best_i<<' '<<best_j; ^ main.cpp:34:32: warning: 'best_i' may be used uninitialized in this function [-Wmaybe-uninitialized] out<<bestsum<<' '<<best_i<<' '<<best_j; ^~~