Compilare: main.cpp: In function 'int next(int)': main.cpp:21:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:55:45: warning: 'r' may be used uninitialized in this function [-Wmaybe-uninitialized] else if((s1+s2+s3)==sip && (n-i*p1-j*p2-s3*p3)<r) ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:71:44: warning: 'z' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<sip<<" "<<x<<" "<<y<<" "<<z<<" "<<r<<"\n"; ^~~ main.cpp:71:36: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<sip<<" "<<x<<" "<<y<<" "<<z<<" "<<r<<"\n"; ^~~ main.cpp:71:28: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<sip<<" "<<x<<" "<<y<<" "<<z<<" "<<r<<"\n"; ^~~