/in/foo.cc: In function 'void get_primes(int)':
/in/foo.cc:22:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
         if(vis[i]==false)
         ^~
/in/foo.cc:24:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
             for (int j = 0; primes[j] * i <= x; j++){
             ^~~