oj.uz

Submission #434371

# Submission time Handle Problem Language Result Execution time Memory
434371 2021-06-21T05:24:01 Z KoD Languages (IOI10_languages) C++17
99 / 100
 3440 ms 218080 KB 
#include <bits/stdc++.h>
#include "grader.h"
#include "lang.h"

constexpr int SIZE = 100;
constexpr int LANG = 56;
constexpr int LEN = 4;
constexpr int MOD = 4000037;
constexpr double COEFF[] = {1.0, 6.3, 1.5, 11.0};
bool appeared[LANG][MOD];

void excerpt(int *E) {
    double point[LANG] = {};
    unsigned long long hash[SIZE] = {};
    for (int k = 0; k < LEN; ++k) {
        for (int i = 0; i < SIZE - k; ++i) {
            hash[i] = (hash[i] << 16) ^ E[i + k];
            for (int j = 0; j < LANG; ++j) {
                point[j] += COEFF[k] * appeared[j][hash[i] % MOD];
            }
        }
    }
    const int type = language(std::max_element(point, point + LANG) - point);
    std::memset(hash, 0, sizeof(hash));
    for (int k = 0; k < LEN; ++k) {
        for (int i = 0; i < SIZE - k; ++i) {
            hash[i] = (hash[i] << 16) ^ E[i + k];
            appeared[type][hash[i] % MOD] = true;
        }
    }
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3352 ms 217980 KB Output is correct

Subtask #2
69.0 / 80.0

# Verdict Execution time Memory Grader output
1 Partially correct 3440 ms 218080 KB Output is partially correct - 90.73%