Compilare: main.cpp: In function 'int main()': main.cpp:18:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=1;i<=n;i++) ^~~ main.cpp:20:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' sort(a+1,a+n+1,comp); ^~~~