Compilare: main.cpp: In function 'int main()': main.cpp:69:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 69 | for (i = 1; i <= n; ++i) | ^~~ main.cpp:71:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 71 | build(1, 1, n); | ^~~~~