/in/foo.cc: In function 'int main()':
/in/foo.cc:7:18: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
     scanf("%d",&k);
                  ^
/in/foo.cc:9:27: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
         scanf("%d%d",&n,&m);
                           ^
/in/foo.cc:9:27: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]