Submission #204889

#	Time	Username	Problem	Language	Result	Execution time	Memory
204889		MetB	Languages (IOI10_languages)	C++14	95 / 100	9776 ms	69836 KiB

lang

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

using namespace std;

int a[5][56][100000], b[5][100000];
int cnt[5][100000];
const int MOD = 100000;

void excerpt (int* E) {
    int n = 100;
    memset (cnt, 0, sizeof (cnt));
    std::set <int> s[5];
    
    for (int i = 0; i < 100; i++) {
        for (int j = 0; j < min (4, n - i); j++) {
            int val = 1;
            for (int k = 0; k <= j; k++)
                val = val * E[i+k] % MOD;
            cnt[j][val]++;
            s[j].insert (val);
        }
    }
    
    double mx = 0;
    int x = 0;
    
    for (int i = 0; i < 56; i++) {
        double points = 0;
        
        for (int k = 0; k < 4; k++) {
            for (int j : s[k]) {
                if (b[k][j]) points += cnt[k][j] * ((double) a[k][i][j] / b[k][j]) * (k + 1);
            }
        }
        
        if (mx < points) {
            mx = points;
            x = i;
        }
    }
    
    x = language (x);
    
    for (int i = 0; i < 100; i++) {
        for (int j = 0; j < min (4, n - i); j++) {
            int val = 1;
            for (int k = 0; k <= j; k++)
                val = val * E[i+k] % MOD;
            a[j][x][val]++;
            b[j][val]++;
        }
    }
}

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