#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include "grader.h"
#include "lang.h"
#define ll long long
#define SZ 100
#define MAXL 56
const int mod = 428957;
static int lnum = -1;
int cnt1[MAXL][mod], cnt2[MAXL][mod];// , cnt3[MAXL][mod];
int cnt4[MAXL][mod];
int ccnt1[mod], ccnt2[mod], ccnt4[mod];
ll hash_func(int n, ...){
va_list li;
va_start(li, n);
ll res = 0;
for (int i = 0; i < n; i++){
res <<= 16;
res %= mod;
res += va_arg(li, int);
}
va_end(li);
return res;
}
void excerpt(int *E) {
int i, j;
ll mx=0;
int l = 0;
for (i = 0; i <= lnum; i++){
ll val = 0;
for (j = 0; j < SZ; j++) if(ccnt1[E[j]]<lnum/4) val += cnt1[i][E[j]];
for (j = 1; j < SZ; j++){
ll h = hash_func(2, E[j - 1], E[j]);
if (ccnt2[h]<lnum/4)
val += cnt2[i][h] * 30;
}
//for (j = 2; j < SZ; j++) val += cnt3[i][hash_func(3, E[j - 2], E[j - 1], E[j])] * 30;
for (j = 3; j < SZ; j++){
ll h = hash_func(4, E[j - 3], E[j - 2], E[j - 1], E[j]);
if (ccnt4[h]<lnum/4)
val += cnt4[i][h] * 90;
}
if (mx < val){
mx = val;
l = i;
}
}
int ans = language(l);
if (ans > lnum) lnum = ans;
for (i = 0; i < SZ; i++){
if (cnt1[ans][E[i]] == 0) ccnt1[E[i]]++;
cnt1[ans][E[i]] = 1;
}
for (i = 1; i < SZ; i++){
ll h = hash_func(2, E[i - 1], E[i]);
if (cnt2[ans][h] == 0) ccnt2[h]++;
cnt2[ans][h] = 1;
}
//for (i = 2; i < SZ; i++) cnt3[ans][hash_func(3, E[i - 2], E[i - 1], E[i])] = 1;
for (i = 3; i < SZ; i++){
ll h = hash_func(4, E[i - 3], E[i - 2], E[i - 1], E[i]);
if (cnt4[ans][h] == 0) ccnt4[h]++;
cnt4[ans][h] = 1;
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5589 ms |
142404 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6984 ms |
142364 KB |
Output is correct - 91.53% |
