Compilare: main.cpp: In function 'int main()': main.cpp:154:5: warning: value computed is not used [-Wunused-value] f>>n>>k; ~~~~^~~ main.cpp:201:13: warning: unused variable 'st' [-Wunused-variable] int st=1,dr=k,rasp; ^~ main.cpp:201:18: warning: unused variable 'dr' [-Wunused-variable] int st=1,dr=k,rasp; ^~ main.cpp:201:23: warning: unused variable 'rasp' [-Wunused-variable] int st=1,dr=k,rasp; ^~~~ main.cpp:155:14: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized] for(int i=1;i<=k;i++) ~^~~