Compilare: main.cpp: In function 'int cond(int)': main.cpp:15:1: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(k>1) ^~ main.cpp:19:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if(k==n && v[sol[1]+sol[n]]==0) return 0; ^~