/in/foo.cc: In function 'int main()':
/in/foo.cc:7:15: warning: format '%u' expects argument of type 'unsigned int*', but argument 2 has type 'size_t* {aka long unsigned int*}' [-Wformat=]
  scanf("%u",&n);
               ^
/in/foo.cc:8:15: warning: format '%u' expects argument of type 'unsigned int*', but argument 2 has type 'size_t* {aka long unsigned int*}' [-Wformat=]
  scanf("%u",&m);
               ^
/in/foo.cc:10:22: warning: format '%u' expects argument of type 'unsigned int*', but argument 2 has type 'size_t* {aka long unsigned int*}' [-Wformat=]
   scanf("%u %u",&u,&v);
                      ^
/in/foo.cc:10:22: warning: format '%u' expects argument of type 'unsigned int*', but argument 3 has type 'size_t* {aka long unsigned int*}' [-Wformat=]
/in/foo.cc:14:17: warning: format '%u' expects argument of type 'unsigned int', but argument 2 has type 'size_t {aka long unsigned int}' [-Wformat=]
   printf("%u ",i);
                 ^
/in/foo.cc:17:18: warning: format '%u' expects argument of type 'unsigned int', but argument 2 has type 'size_t {aka long unsigned int}' [-Wformat=]
    printf("%u ",j);
                  ^