Compilare: user.cpp: In function ‘void Rezolva()’: user.cpp:137:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (kk=0; kk<L[x].size() && ok==0; kk++) ^ user.cpp:141:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (kkk=0; kkk<L[y].size() && ok==0; kkk++) ^ user.cpp:150:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (kk=0; kk<L[y].size() && ok==0; kk++) ^ user.cpp:154:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (kkk=0; kkk<L[x].size() && ok==0; kkk++) ^ user.cpp:109:18: warning: unused variable ‘ok1’ [-Wunused-variable] int i,j,x,y,ok,ok1,ok2,jj,kk,kkk,asta; ^ user.cpp:109:22: warning: unused variable ‘ok2’ [-Wunused-variable] int i,j,x,y,ok,ok1,ok2,jj,kk,kkk,asta; ^ user.cpp:109:26: warning: unused variable ‘jj’ [-Wunused-variable] int i,j,x,y,ok,ok1,ok2,jj,kk,kkk,asta; ^ user.cpp:118:7: warning: unused variable ‘ii’ [-Wunused-variable] int ii; ^