Compilare: main.cpp: In function 'int main()': main.cpp:28:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(u==1); ^~ main.cpp:29:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' { ^ main.cpp:50:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=n;i++) ^~~ main.cpp:56:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' st=pict; ^~ main.cpp:45:18: warning: 'po' may be used uninitialized in this function [-Wmaybe-uninitialized] out << po; ^