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Submission #478271

# Submission time Handle Problem Language Result Execution time Memory
478271 2021-10-06T19:03:08 Z stefantaga Brperm (RMI20_brperm) C++14
50 / 100
 289 ms 168280 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[500005];
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

# Verdict Execution time Memory 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

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 74 ms 17096 KB Output is correct
4 Correct 72 ms 16988 KB Output is correct
5 Correct 73 ms 17004 KB Output is correct

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 289 ms 168280 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 74 ms 17096 KB Output is correct
4 Correct 72 ms 16988 KB Output is correct
5 Correct 73 ms 17004 KB Output is correct
6 Runtime error 289 ms 168280 KB Execution killed with signal 11
7 Halted 0 ms 0 KB -