oj.uz

Submission #645764

# Submission time Handle Problem Language Result Execution time Memory
645764 2022-09-28T00:11:53 Z rodov Brperm (RMI20_brperm) C++14
50 / 100
 3000 ms 2744 KB 
using namespace std;
#include <bits/stdc++.h>
#define  ll int

//string s;
ll mas[500007];
ll N;
void init(int n, const char s[]) {
    N=n;
    for(int i=0;i<N;i++){
        mas[i]=s[i]-'a'+1;
        //cout<<mas[i]<<' ';
    }
  return;
}
string bin;
ll a1,a2;
ll f(ll v,ll k){
    bin="";
    for(int i=1;i<=k;i++){
        if(v%2==0){
            bin+='0';
        }else{
            bin+='1';
        }
        v/=2;
    }
    //reverse(bin.begin(),bin.end());
    a1=1;a2=0;
    for(int i=k;i>=1;i--){
        if(bin[i-1]=='0'){
            a1*=2;
        }else{
            a2+=a1;
            a1+=a1;
        }
    }

    return a2;
}

int query(int i, int k) {
    if(i+(pow(2,k))>N)return 0;

    for(int j=i;j<=i+pow(2,k)-1;j++){
        //cout<<f(j-i,k)<<' '<<j<<endl;
        if(mas[i+f(j-i,k)]!=mas[j])return 0;
    }

  return 1;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 50 ms 944 KB Output is correct
4 Correct 47 ms 920 KB Output is correct
5 Correct 43 ms 936 KB Output is correct

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3084 ms 2744 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 50 ms 944 KB Output is correct
4 Correct 47 ms 920 KB Output is correct
5 Correct 43 ms 936 KB Output is correct
6 Execution timed out 3084 ms 2744 KB Time limit exceeded
7 Halted 0 ms 0 KB -