#include <bits/stdc++.h>
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("O3")
#pragma GCC target("sse4,avx2,fma,avx")
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;
#include "grader.h"
#include "lang.h"
const int SZ = 100, LANGS = 56;
const ll BIGRAM_WEIGHT = 1, TRIGRAM_WEIGHT = 10, QUADRAM_WEIGHT = 100;
ll cnt[LANGS], bigram[SZ], trigram[SZ], quadram[SZ];
unordered_map<ll, unordered_map<int, int>> mp;
void excerpt(int *E) {
FOR(i, 0, LANGS) cnt[i] = 0;
FOR(i, 0, SZ - 3) {
quadram[i] = 0;
FOR(j, 0, 4) {
quadram[i] = (quadram[i] << 16) + E[i + j];
}
trigram[i] = quadram[i] >> 16;
bigram[i] = trigram[i] >> 16;
if (mp[quadram[i]].size()) {
int best = 0, sim = 0;
for (pair<int, int> k : mp[quadram[i]]) {
if (k.second > sim) {
sim = k.second;
best = k.first;
}
}
cnt[best] += QUADRAM_WEIGHT;
}
if (mp[trigram[i]].size()) {
int best = 0, sim = 0;
for (pair<int, int> k : mp[trigram[i]]) {
if (k.second > sim) {
sim = k.second;
best = k.first;
}
}
cnt[best] += TRIGRAM_WEIGHT;
}
if (mp[bigram[i]].size()) {
int best = 0, sim = 0;
for (pair<int, int> k : mp[bigram[i]]) {
if (k.second > sim) {
sim = k.second;
best = k.first;
}
}
cnt[best] += BIGRAM_WEIGHT;
}
}
int best = 0, sim = 0;
FOR(i, 0, LANGS) {
if (cnt[i] > sim) {
sim = cnt[i];
best = i;
}
}
int ans = language(best);
FOR(i, 0, SZ - 3) {
mp[quadram[i]][ans]++;
mp[trigram[i]][ans]++;
mp[bigram[i]][ans]++;
mp[letter[i]][ans]++;
}
}
Compilation message
lang.cpp: In function 'void excerpt(int*)':
lang.cpp:73:12: error: 'letter' was not declared in this scope
mp[letter[i]][ans]++;
^~~~~~
lang.cpp:73:12: note: suggested alternative: 'gettext'
mp[letter[i]][ans]++;
^~~~~~
gettext
