Compilare: user.cpp: In function ‘int main()’: user.cpp:30:9: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(i=1;i<=n;i++) ^~~ user.cpp:33:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ g<<nr; ^ user.cpp:24:23: warning: unused variable ‘s’ [-Wunused-variable] int n,m,h,i,j,s=0,nr=0; ^