Compilare: main.cpp: In function 'void solve()': main.cpp:131:33: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses] if(r[cul[i]]^r[cul[i^1]]==0) ~~~~~~~~~~~^~~ main.cpp: In function 'int main()': main.cpp:164:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<m;i++) ^~~ main.cpp:165:28: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' fout<<solA[i]<<' ';fout<<'\n'; ^~~~