Compilare: main.cpp: In function 'void combin(long int)': main.cpp:9:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=1;i<=k;++i)fout<<ar[i]<<' ';fout<<endl; ^~~ main.cpp:9:43: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(int i=1;i<=k;++i)fout<<ar[i]<<' ';fout<<endl; ^~~~