Submission #1080809

#	Time	Username	Problem	Language	Result	Execution time	Memory
1080809		PenguinsAreCute	Languages (IOI10_languages)	C++17	87 / 100	887 ms	15808 KiB

lang

#include "grader.h"
#include <bits/stdc++.h>
using namespace std;
using ld = long double;
#define all(v) begin(v),end(v)
mt19937 rng(1210);
int freq[60][1<<16];
int cnt = 0;
void excerpt(int *E) {
	if(!cnt) {
		cnt = 1;
		for(int i=0;i<60;i++) fill(freq[i]+1,freq[i]+(1<<16),1), freq[i][0]=420;
	}
	pair<ld,int> bst={-1e9,0};
	for(int i=0;i<56;i++) {
		ld prob = 0;
		for(int j=0;j<100;j++) prob += log(freq[i][E[j]])-log(freq[i][0]);
		bst=max(bst,{prob,i});
	}
	int lang = language(bst.second);
	for(int i=0;i<100;i++) freq[lang][E[i]]++;
	freq[lang][0]+=100;
}

• Subtask 1: 30 / 30
• Subtask 2: 57 / 80