Compilare: main.cpp: In function 'int main()': main.cpp:16:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=2;i<=n;i++) ^~~ main.cpp:19:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' out<<cnt; ^~~ main.cpp:10:11: warning: unused variable 'j' [-Wunused-variable] int i,j,m,c=2,cnt=0; ^ main.cpp:10:15: warning: unused variable 'c' [-Wunused-variable] int i,j,m,c=2,cnt=0; ^