Compilare: main.cpp: In function 'int main()': main.cpp:3:20: warning: this 'for' clause does not guard... [-Wmisleading-indentation] #define for(i,a,b) for(i=a;i<=b;i++) ^ main.cpp:16:5: note: in expansion of macro 'for' for(i,0,n) ^~~ main.cpp:21:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' g<<maxx<<"\n"; ^