#include <iostream> using namespace std; int main() { int a,b,c,d; while(cin>>a>>b){ if(a==0&&b==0)return 0; int max_x=a,min_x=a,max_y=b,min_y=b; while(cin>>c>>d){ if(c==0&&d==0)break; else{ max_x = max(c,max_x); max_y = max(d,max_y); min_x = min(c,min_x); min_y = min(d,min_y); } } cout<<min_x<<" "<<min_y<<" "<<max_x<<" "<<max_y<<endl; } } // 64 位输出请用 printf("%lld")
用两个while判断输入,比较繁琐