Compilare: main.cpp: In lambda function: main.cpp:22:13: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (ll j = 0; j <= n; ++j) ^~~ main.cpp:24:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for (ll i = 2*n; i > n; --i) ^~~ main.cpp:25:13: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (ll j = 0; j < n; ++j) ^~~ main.cpp:27:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' res.resize(n + 1); ^~~