Compilare: main.cpp: In function 'int main()': main.cpp:37:30: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (xmax < 0 || sumpr<xmax && b==0) { ~~~~~~~~~~~^~~~~~~ main.cpp:38:43: warning: 'bb' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << xmax << " "<< aa << " "<< bb; ^ main.cpp:38:35: warning: 'aa' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << xmax << " "<< aa << " "<< bb; ^~~ main.cpp:37:24: warning: 'sumpr' may be used uninitialized in this function [-Wmaybe-uninitialized] if (xmax < 0 || sumpr<xmax && b==0) { ~~~~~^~~~~ main.cpp:42:50: warning: 'bpr' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << sumpr << " "<<apr << " "<<bpr; ^ main.cpp:42:42: warning: 'apr' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << sumpr << " "<<apr << " "<<bpr; ^~~ main.cpp:41:10: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized] else if (b==0) { ^~