Submission #170169

#	Time	Username	Problem	Language	Result	Execution time	Memory
170169		Retro3014	Languages (IOI10_languages)	C++17	86 / 100	6311 ms	6108 KiB

lang

#include <stdlib.h>
#include <stdio.h>
#include "grader.h"
#include "lang.h"
#include <bits/stdc++.h>

#define all(v) (v).begin(), (v).end()
#define sortv(v) sort(all(v))
#define uniqv(v) (v).erase(unique(all(v)), (v).end())
#define pb push_back
#define FI first
#define SE second
#define lb lower_bound
#define ub upper_bound
#define test 1
#define TEST if(test)

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;

const int MOD = 1000000007; // 998244353
const int INF = 2e9;
const ll INFLL = 1e18;
const int MAX_N = 10000;
const int MAX_K = 70000;

#define SZ 100
#define LAN 56
int idx = 0;

int lan[MAX_N+10];
map<ll, int> mp;
vector<ll> v[LAN+1];
int cnt[MAX_K+1];

vector<ll> vt;
ll mx;
int c1;



int space = 0;

bool in(int x, ll y){
	if(v[x].empty())	return false;
	int s = 0, e = v[x].size()-1, m;
	while(s<e){
		m = (s+e)/2;
		if(v[x][m]<y){
			s = m+1;
		}else{
			e = m;
		}
	}
	return (v[x][s]==y);
}


void excerpt(int *E) {
	idx++;
	if(idx<=3){
		for(int i=0; i<SZ; i++){
			cnt[E[i]]++;
		}
		for(int i=0; i<MAX_K; i++){
			if(cnt[i]>cnt[space])	space = i;
		}
	}
	for(int i=0; i<SZ-2; i++){
		if(E[i]==space || E[i+1]==space || E[i+2]==space)	continue;
		vt.pb((((ll)E[i])<<32LL)+(((ll)E[i+1])<<16LL)+(ll)E[i+2]);
	}
	sort(vt.begin(), vt.end());
	vt.erase(unique(vt.begin(), vt.end()), vt.end());
	mx = 0; c1 = 0;
	for(int j=0; j<LAN; j++){
		int c = 0;
		for(int i=0; i<vt.size(); i++){
			if(in(j, vt[i])){
				c++;
			}
		}
		if(c>c1){
			c1 = c; mx = j;
		}
	}
	int ask = mx;
	lan[idx] = language(ask);
	while(!vt.empty()){
		v[lan[idx]].pb(vt.back()); vt.pop_back();
	}
	sort(v[lan[idx]].begin(), v[lan[idx]].end());
	//cout<<idx<<" "<<mx<<" "<<ask<<" "<<lan[idx]<<endl;
}

Compilation message (stderr)

lang.cpp: In function 'void excerpt(int*)':
lang.cpp:82:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0; i<vt.size(); i++){
                ~^~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 56 / 80