Submission #596710

#	Time	Username	Problem	Language	Result	Execution time	Memory
596710		Hacv16	Brperm (RMI20_brperm)	C++17	13 / 100	797 ms	262144 KiB

brperm

#include<bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef pair<int, int> pii;
 
const int MAX = 100010;
const int LOG = 18;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;
 
#define pb push_back
#define sz(x) (int) x.size()
#define fr first
#define sc second
#define mp make_pair
#define all(x) x.begin(), x.end()
#define dbg(x) cout << #x << ": " << "[ " << x << " ]\n"
 
string s, ans[MAX][LOG];
 
map<pii, string> memo;

int query(int I, int K){
    string aux;

    if(memo.find({I, K}) != memo.end()) aux = memo[{I, K}];
    else memo[{I, K}] = aux = s.substr(I, (1 << K));

    return aux == ans[I][K];
}

void init(int n, const char S[]){
    for(int i = 0; i < n; i++)
        s += S[i], ans[i][0] = S[i];
 
    for(int j = 1; j < LOG; j++){
        for(int i = 0; i + (1 << j) <= n; i++){
            for(int k = 0; k < min(sz(ans[i][j - 1]), sz(ans[i + (1 << (j - 1))][j - 1])); k++){
                ans[i][j] += ans[i][j - 1][k];
                ans[i][j] += ans[i + (1 << (j - 1))][j - 1][k];
            }

            //cout << ans[i][j] << '\n';
        }
    }
}

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