Compilare: main.cpp: In function 'int main()': main.cpp:12:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for( int i = 1 ; i <= n ; i ++ ) ^~~ main.cpp:15:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' int sum = 0 , x = 0 , cursor2 = 0 , cursor1 = 1 ; ^~~ main.cpp:15:19: warning: unused variable 'x' [-Wunused-variable] int sum = 0 , x = 0 , cursor2 = 0 , cursor1 = 1 ; ^