Compilare: main.cpp: In function 'int main()': main.cpp:14:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (auto &i: v) ^~~ main.cpp:17:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' reverse(begin(v), end(v)); ^~~~~~~ main.cpp:19:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (int i = 0; i < n; i+= 2) ^~~ main.cpp:22:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' if (x == 0) { ^~