Compilare: main.cpp: In function 'int main()': main.cpp:20:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (A[a] < A[b]) std::swap(a, b); A[b] += A[a]; A[a] = b; ^~ main.cpp:20:47: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if (A[a] < A[b]) std::swap(a, b); A[b] += A[a]; A[a] = b; ^