Compilare: user.cpp: In function ‘int main()’: user.cpp:22:11: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(j=1;j<=maxi2;j++) ^~~ user.cpp:24:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ fout<<"\n"; ^~~~ user.cpp:17:9: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] int ok=0; ^~