Compilare: main.cpp: In function 'int main()': main.cpp:9:33: warning: unused variable 'c1' [-Wunused-variable] int p,n,nrbil,c,l,col,i,s,m,c1,bil,j,qc,q,a; ^~ main.cpp:9:36: warning: unused variable 'bil' [-Wunused-variable] int p,n,nrbil,c,l,col,i,s,m,c1,bil,j,qc,q,a; ^~~ main.cpp:9:42: warning: unused variable 'qc' [-Wunused-variable] int p,n,nrbil,c,l,col,i,s,m,c1,bil,j,qc,q,a; ^~ main.cpp:9:47: warning: unused variable 'a' [-Wunused-variable] int p,n,nrbil,c,l,col,i,s,m,c1,bil,j,qc,q,a; ^ main.cpp:41:14: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized] c=q+c; ~^~~~