Compilare: main.cpp: In function 'int main()': main.cpp:15:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=2;i<=n;i++) ^~~ main.cpp:18:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' out<<cnt; ^~~ main.cpp:9:11: warning: unused variable 'j' [-Wunused-variable] int i,j,m,c=2,cnt=0,n; ^ main.cpp:9:15: warning: unused variable 'c' [-Wunused-variable] int i,j,m,c=2,cnt=0,n; ^