Submission #1029982

#	Time	Username	Problem	Language	Result	Execution time	Memory
1029982		Tob	Languages (IOI10_languages)	C++14	0 / 100	10078 ms	33024 KiB

lang

#include <bits/stdc++.h>

#include "grader.h"
#include "lang.h"

#define F first
#define S second
#define all(x) x.begin(), x.end()
#define pb push_back
#define FIO ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)

using namespace std;

typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
typedef array <int, 56> sc;

const int siz = 100, le = 10, B = 31337, mod1 = 1e9 + 7, mod2 = 1e9 + 9;

map <pll, int> m[56];

sc score(pll h, int c) {
	sc res;
	for (int i = 0; i < 56; i++) if (m[i].find(h) != m[i].end()) res[i] = m[i][h]*c*c;
	return res;
}

void excerpt(int* arr) {
	sc res;
	for (int i = 0; i < siz; i++) {
		pll h = {0, 0};
		for (int j = i; j < min(siz, i+le); j++) {
			h.F = (h.F*B+arr[j])%mod1;
			h.S = (h.S*B+arr[j])%mod2;
			sc d = score(h, j-i+1);
			for (int k = 0; k < 56; k++) res[k] += d[k];
		}
	}
	int x = 0;
	for (int i = 1; i < 56; i++) if (res[i] > res[x]) x = i;
	int y = language(x);
	for (int i = 0; i < siz; i++) {
		pll h = {0, 0};
		for (int j = i; j < min(siz, i+le); j++) {
			h.F = (h.F*B+arr[j])%mod1;
			h.S = (h.S*B+arr[j])%mod2;
			m[y][h]++;
		}
	}
}

• Subtask 1: 0 / 30
• Subtask 2: 0 / 80