Compilare: user.cpp: In function ‘int main()’: user.cpp:39:9: warning: ‘lenBest’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(len > lenBest) { ^ user.cpp:45:12: warning: ‘startBest’ may be used uninitialized in this function [-Wmaybe-uninitialized] out << startBest << " " << startBest + lenBest - 1 << " " << 2 * xBest << "\n"; ^ user.cpp:40:32: warning: ‘len’ may be used uninitialized in this function [-Wmaybe-uninitialized] startBest = i - len; ^ user.cpp:38:10: warning: ‘x_last’ may be used uninitialized in this function [-Wmaybe-uninitialized] else if(x_last == xBest) { ^