Compilare: main.cpp: In function 'void euler()': main.cpp:52:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 52 | if (u[m]) continue; u[m] = 1; | ^~ main.cpp:52:33: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 52 | if (u[m]) continue; u[m] = 1; | ^