oj.uz

답안 #478270

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
478270 2021-10-06T19:01:51 Z stefantaga Brperm (RMI20_brperm) C++14
50 / 100
 287 ms 168848 KB 
#include "brperm.h"
#include <cstring>
#include <bits/stdc++.h>
#define baza 31
#define MOD 1000000007
using namespace std;
int invers[500005][21];
int hash1[500005][21];
char v[500005];
int put[25];
void init(int n, const char s[]) {
    int i,j;
    put[0]=baza;
    for (i=1;i<=19;i++)
    {
        put[i]=(1LL*put[i-1]*put[i-1])%MOD;
    }
    for (i=0;i<n;i++)
    {
        invers[i][0]=s[i]-'a';
    }
    for (int i=1;i<=19;i++)
    {
        for (j=0;j+(1<<i)-1<n;j++)
        {
            invers[j][i]=(invers[j][i-1]+(1LL*invers[j+(1<<(i-1))][i-1]*put[19-i])%MOD)%MOD;
        }
    }
    for (i=0;i<=19;i++)
    {
        for (j=n-1;j>=0;j--)
        {
            hash1[j][i]=((s[j]-'a')+1LL*hash1[j+1][i]*put[19-i])%MOD;
        }
    }
}

int query(int i, int k) {
  int ceau1=(hash1[i][k]-(1LL*hash1[i+(1<<k)][k]*put[19])%MOD+MOD)%MOD;
  int ceau2=invers[i][k];
  return ceau1==ceau2;
}

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct

Subtask #2
37.0 / 37.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 80 ms 17124 KB Output is correct
4 Correct 75 ms 17028 KB Output is correct
5 Correct 74 ms 17060 KB Output is correct

Subtask #3
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 287 ms 168848 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 80 ms 17124 KB Output is correct
4 Correct 75 ms 17028 KB Output is correct
5 Correct 74 ms 17060 KB Output is correct
6 Runtime error 287 ms 168848 KB Execution killed with signal 11
7 Halted 0 ms 0 KB -