Compilare: user.cpp: In function ‘int main()’: user.cpp:55:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(int i=1;i<=n;i++) ^~~ user.cpp:57:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ in>>nr; ^~ user.cpp: In function ‘int cautbin2(int)’: user.cpp:36:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int cautbin3(int)’: user.cpp:51:1: warning: control reaches end of non-void function [-Wreturn-type] } ^