# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1006150 | m5588ohammed | Data Transfer (IOI19_transfer) | C++14 | 5 ms | 5396 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
vector<int> get_attachment(vector<int> source) {
int cnt=0,sum=0,k;
for(int i=0;i<255;i++){
if(source[i]==1){
sum++;
cnt^=i;
}
}
vector <int> ans=source;
k=sum%2;
while(cnt!=0){
ans.push_back(cnt%2);
cnt/=2;
}
ans.push_back(k);
return ans;
}
vector<int> retrieve(vector<int> data) {
int cnt=0,sum=0,k=data[data.size()-1],num=0;
for(int i=0;i<255;i++){
if(data[i]==1){
sum++;
cnt^=i;
}
}
for(int i=255;i<data.size()-1;i++) num+=data[i]*(1<<(i-255));
if(sum%2!=k) data[cnt^num]^=1;
return vector<int> (data.begin(), data.begin()+255);
}
Compilation message (stderr)
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