Compilare: main.cpp: In function 'void solve()': main.cpp:59:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int idx=2;idx<L;idx+=2) ^~~ main.cpp:82:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' if(!ok and temp) ^~