USACO 1.2.1 – Milking Cows

 ID: mohmdad5
 LANG: C++
 TASK: milk2

#include <fstream>
#include <vector>
#include <map>
#include <cstdio>
#include <string>
#include <cstring>
using namespace std;

int main_milk2() {
	ofstream fout("milk2.out");
	ifstream fin("");

	int n, a, b,A=1000000,B=0, best[3]={0}, cur=0, milking=2;
	char milk[1000001];
	memset(milk, 0, sizeof milk);
	fin >>n>>a>>b;
	for(int i=0; i<n ; i++, A=min(a, A), B= max(b, B), fin>>a>>b)
		memset(milk+a, 1, b-a);
	for(int i=A; i<B; i++)
		if(!i || milk[i]!=milking)
			best[milking] = max(best[milking], cur),cur =1, milking = milk[i] ;
	fout << max(best[1], milking?cur : best[1]) << " " << max(best[0], milking? best[0] : cur)<<endl;
	return 0;

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