#include "transfer.h"
#include <bits/stdc++.h>
#define loop(i, a, b) for(int i=a;i<b;i++)
using namespace std;
vector<int> get_attachment(vector<int> s) {
int n=s.size();
vector<int> ans(n+9, 0);
loop(i, 0, n){
int t=i;
loop(j, 0, 8) ans[n+j]^=ans[i]&& (t&1), t>>=1;
}
loop(i, n, n+8) ans[n+9]^=ans[i];
return ans;
}
vector<int> retrieve(vector<int> d) {
int n=d.size()-9, te=0, wr=0, fl=1;
vector<int> ans, check(8, 0);loop(i, 0, n) ans[i]=d[i];
loop(i, n, n+8) te^=ans[i];
if(te!=ans[n+9]) return ans;
loop(i, 0, n){
int t=i;
loop(j, 0, 8) check[j]^=d[i]&& (t&1), t<<=1;
}
loop(i, 0, 8) if(check[i]!=ans[n+i]) wr+=(1<<i), fl=0;
if(fl) return ans;
ans[wr]=(!ans[wr]);
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
6 ms |
1648 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
19 ms |
5604 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |