Submission #761449

#	Time	Username	Problem	Language	Result	Execution time	Memory
761449		lis05st	Brperm (RMI20_brperm)	C++17	0 / 100	6 ms	2732 KiB

brperm

#include "brperm.h"
#include <iostream>
#include <vector>
#include <string>
#include <math.h>
#include <cmath>
#include <iomanip>
#include <cstdio>
#include <algorithm>
#include <numeric>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <deque>
#include <bitset>
#include <cstring>
#include <unordered_map>

using namespace std;
typedef long long ll;

ll inv(ll n, ll sz){
    if(sz == 0)
        return 0;
    
    ll res = 0;
    for(int i = 0; i < sz; i++){
        res += ((n>>i)&1)<<(sz-i);
    }
    return res;
}

string a;


void init(int n, const char s[]) {
    a = "";
    for(int i = 0; i < n; i++)
        a += s[i];
    
    return;
}


int query(int l, int k) {
    for(int i = 0; i < (1 << k); i++)
        if(a[l + i] != a[l + inv(i, k)])
            return 0;
    
    return 1;
}

• Subtask 1: 0 / 13
• Subtask 2: 0 / 37
• Subtask 3: 0 / 17
• Subtask 4: 0 / 33