Compilare: main.cpp: In function 'void solve()': main.cpp:43:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (d * d > a && a != 1) ^~ main.cpp:51:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' break; ^~~~~ main.cpp:43:6: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if (d * d > a && a != 1) ^