Submission #512784

#	Time	Username	Problem	Language	Result	Execution time	Memory
512784		algorithm16	Languages (IOI10_languages)	C++14	95 / 100	9760 ms	15664 KiB

lang

#include<iostream>
#include<set>
#include<algorithm>
#include "grader.h"
#include "lang.h"
using namespace std;
typedef long long int llint;
set <llint> s[65],s1;
llint e[105],cnt1[70005];
void excerpt(int *E) {
	s1.clear();
	for(int i=0;i<100;i++) {
		e[i]=E[i];
		cnt1[e[i]]+=1;
		s1.insert(e[i]);
		if(i>=50) s1.insert(e[i-1]*1e5+e[i]);
		//if(i && i%4) s1.insert(e[i-1]*1e5+e[i]);
		//if(i>1 && i%4==0) s1.insert(e[i-2]*1e10+e[i-1]*1e5+e[i]);
	}
	for(int i=1;i<100;i+=e[i]%2+1) {
		s1.insert(e[i-1]*1e5+e[i]);
	}
	for(int i=2;i<100;i+=e[i]%2+1) {
		s1.insert(e[i-2]*1e10+e[i-1]*1e5+e[i]);
	}
	double mx=0;
	int idx=0;
	for(int i=0;i<56;i++) {
		if(s[i].size()<=mx) continue;
		double cnt=0;
		for(set <llint>::iterator it=s1.begin();it!=s1.end();it++) {
			if((*it)<65536) cnt+=(s[i].find(*it)!=s[i].end())*cnt1[(*it)]*0.33;
			else cnt+=(s[i].find(*it)!=s[i].end());
		}
		if(cnt>mx) {
			mx=cnt;
			idx=i;
		}
	}
	int l=language(idx);
	for(set <llint>::iterator it=s1.begin();it!=s1.end();it++) {
		s[l].insert(*it);
	}
	for(int i=0;i<100;i++) {
		cnt1[e[i]]-=1;
	}
}

• Subtask 1: 30 / 30
• Subtask 2: 65 / 80