Submission #707690

# Submission time Handle Problem Language Result Execution time Memory
707690 2023-03-09T18:34:32 Z AdamGS Data Transfer (IOI19_transfer) C++17
0 / 100
8 ms 4468 KB
#include "transfer.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
vector<int>get_attachment(vector<int>T) {
	if(T.size()==63) {
		rep(i, 6) {
			int akt=0;
			rep(a, 63) if((a+1)&(1<<i)) akt^=T[a];
			T.pb(akt);
		}
		int akt=0;
		rep(a, 63) akt^=T[a];
		T.pb(akt);
		return T;
	}
	rep(i, 8) {
		int akt=0;
		rep(a, 255) if((a+1)&(1<<i)) akt^=T[a];
		T.pb(akt);
	}
	int akt=0;
	rep(a, 255) akt^=T[a];
	T.pb(akt);
	return T;
}
vector<int>retrieve(vector<int>T) {
	if(T.size()<100) {
		vector<int>P;
		rep(i, 6) {
			int akt=0;
			rep(a, 63) if((a+1)&(1<<i)) akt^=T[a];
			P.pb(akt);
		}
		int akt=0;
		rep(a, 63) akt^=T[a];
		P.pb(akt);
		int ile=0;
		rep(i, 7) if(P[i]!=T[63+i]) ++ile;
		if(ile>1) {
			int jaki=-1;
			rep(i, 6) if(P[i]!=T[63+i]) jaki+=1<<i;
			T[jaki]^=1;
		}
		rep(i, 7) T.pop_back();
		return T;
	}
	vector<int>P;
	rep(i, 8) {
		int akt=0;
		rep(a, 255) if((a+1)&(1<<i)) akt^=T[a];
		P.pb(akt);
	}
	int akt=0;
	rep(a, 255) akt^=T[a];
	P.pb(akt);
	int ile=0;
	rep(i, 9) if(P[i]!=T[255+i]) ++ile;
	if(ile>1) {
		int jaki=-1;
		rep(i, 8) if(P[i]!=T[255+i]) jaki+=1<<i;
		T[jaki]^=1;
	}
	rep(i, 9) T.pop_back();
	return T;
}
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 908 KB WA in grader: wrong source retrieval
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 4468 KB WA in grader: wrong source retrieval
2 Halted 0 ms 0 KB -