POJ3664

//知道爲什麼幾次提交都是WA了，原來是struct沒有初始化，對於任何程序，細節決定成敗
#include<iostream>
#include<algorithm>
using namespace std;
#define SIZE 50010
struct vote
{
	vote(): a(0),b(0),num(0){};
	int a;
	int b;
	int num;
};
int cmp1(vote t1,vote t2)
{
	return t1.a>t2.a;
}
int cmp2(vote t1,vote t2)
{
	return t1.b>t2.b;
}
int main()
{
	vote cow[SIZE];
	int m,n;
	cin>>m>>n;
	for(int i=0;i<m;++i){
		cin>>cow[i].a>>cow[i].b;
		cow[i].num=i+1;
	}
	sort(cow,cow+m,cmp1);
	sort(cow,cow+n,cmp2);
	cout<<cow[0].num<<endl;
	return 0;
}