Submission #596538

#	Time	Username	Problem	Language	Result	Execution time	Memory
596538		Deepesson	Brperm (RMI20_brperm)	C++17	0 / 100	2 ms	1364 KiB

brperm

#include <bits/stdc++.h>
#define MAX 2500
void init(int n, const char s[]);
int query(int i, int k);
int inverte(int x,int k){
    int ans=0;
    for(int i=0;i!=k;++i){
        int u = (k-1)-i;
        if((1<<i)&x)ans+=1<<u;
    }
    return ans;
}
char vals[MAX];
void init(int n, const char s[]) {
    for(int j=0;j!=n;++j){
        vals[j]=s[j];
    }
  return;
}

int query(int i, int k) {
    int sz = 1<<k;
    for(int j=i;j!=i+sz;++j){
        int mirror = inverte(j-i,k)+i;
        if(vals[mirror]!=vals[j])return 0;
    }
    return 1;
}

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