Compilare: main.cpp: In function 'void afis()': main.cpp:27:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int j=1;j<=nr;j++) ^~~ main.cpp:29:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' if(ct%2==0)pr=-pr; ^~ main.cpp: In function 'bool prim(int)': main.cpp:18:1: warning: control reaches end of non-void function [-Wreturn-type] } ^