foo.cc: In function 'bool cp(st, st)':
foo.cc:9:24: error: 'struct st' has no member named 'sim'; did you mean 'sum'?
    9 |  return x.sum>y.sum||x.sim==y.sum&&x.c>y.c||x.sim==y.sum&&x.c=y.c&&x.n<y.n;
      |                        ^~~
      |                        sum
foo.cc:9:47: error: 'struct st' has no member named 'sim'; did you mean 'sum'?
    9 |  return x.sum>y.sum||x.sim==y.sum&&x.c>y.c||x.sim==y.sum&&x.c=y.c&&x.n<y.n;
      |                                               ^~~
      |                                               sum
foo.cc: In function 'int main()':
foo.cc:22:10: error: 'i' was not declared in this scope
   22 |      for(i=1;i<=5;i++)
      |          ^

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