why do the Memory usage is always -8.
Even in such an experiment, I got Time Limit Exceeded and the
Memory usage was -8.

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#include <iostream.h>

typedef struct node1
{int start;
 int end;
 char mark[10];
}node;

int main()
{
node ku[100];
int i;
int n;
short maxs;

cin>>maxs>>n;
while(n!=-1){
   for(i=1;i<=n;i++){
      cin>>ku[i].start>>ku[i].end;
      cin>>ku[i].mark;
   }
   cin>>n;
}
cout<<n;

return 1;
}
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