foo.cc: In function 'int main()':
foo.cc:8:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    8 |   scanf("%d%d%d%d%d",&m,&n,&k,&l,&d);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
foo.cc:12:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   12 |     scanf("%d%d%d%d",&xi,&yi,&pi,&qi);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
foo.cc:50:11: warning: iteration 1001 invokes undefined behavior [-Waggressive-loop-optimizations]
   50 |     if(c[i])
      |        ~~~^
foo.cc:48:17: note: within this loop
   48 |   for(int i=0; i<1005;i++)
      |                ~^~~~~
foo.cc:56:11: warning: iteration 1001 invokes undefined behavior [-Waggressive-loop-optimizations]
   56 |     if(o[i])
      |        ~~~^
foo.cc:54:17: note: within this loop
   54 |   for(int i=0; i<1005; i++)
      |                ~^~~~~
foo.cc:46:8: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized]
   46 |     o[p]++;
      |     ~~~^
foo.cc:31:8: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized]
   31 |     c[p]++;
      |     ~~~^

正在同步测试数据，请稍后
Found 5 testcases.
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