Compilare: user.cpp: In function ‘int main()’: user.cpp:10:21: warning: variable ‘kk’ set but not used [-Wunused-but-set-variable] int n,i,j,x,y,k,kk,aux=2; ^ user.cpp:23:22: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] while(p<=u&&(x!=1||y!=1)) ^ user.cpp:23:16: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] while(p<=u&&(x!=1||y!=1)) ^ user.cpp: At global scope: user.cpp:6:27: warning: ‘c2’ defined but not used [-Wunused-variable] struct{int x,y;}c1[10001],c2[10001]; ^