View Code of Problem 83

#include<bits/stdc++.h>
using namespace std;

struct student{
  int xh;
  int cj;
};

bool cmp(student a,student b)
{
  return a.xh<b.xh;
}
  
int main(void)
{
  int n,m,i;
  cin>>n>>m;
  student stu[n+m];
  for(i=0;i<n+m;++i)
    cin>>stu[i].xh>>stu[i].cj;
  sort(stu,stu+n+m,cmp);
  for(i=0;i<n+m;++i)
    cout<<stu[i].xh<<" "<<stu[i].cj<<endl;
}