2636.cpp

这些是我到目前在PKU上做出的题目

#include <iostream.h>
int main()
{int n,m,i,j,t,sum;
 cin>>n;
 for (i=1;i<=n;i++)
 {cin>>m;sum=0;
  for (j=1;j<=m;j++)
  {cin>>t;sum=sum+t;}
  sum=sum-m+1;
  cout<<sum<<"\n";}
return 0;}