Compilare: main.cpp: In function 'int main()': main.cpp:12:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=n;i++) ^~~ main.cpp:14:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' n++; ^ main.cpp:62:17: warning: 'r' may be used uninitialized in this function [-Wmaybe-uninitialized] g<<r; ^