Compilare: main.cpp: In function 'int Formare()': main.cpp:23:14: warning: this 'if' clause does not guard... [-Wmisleading-indentation] {if(v[i*j]!=2) ^~ main.cpp:25:18: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' j++; ^ main.cpp:12:12: warning: unused variable 'ret' [-Wunused-variable] {int k=0,l,ret=0; ^~~ main.cpp:32:1: warning: control reaches end of non-void function [-Wreturn-type] } ^