답안 #572138

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
572138 2022-06-03T18:33:41 Z RandomLB Data Transfer (IOI19_transfer) C++17
100 / 100
102 ms 2500 KB
#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
#define siz(x) (int)x.size()
 
vi get_attachment(vi v){
    int xr = 0, on = 0;
    for (int i = 0; i < siz(v); i++) xr ^= (i+1)*v[i];
 	vi res;
    for (int i = 0; i < __lg(siz(v)+1); i++){
        res.push_back(xr&(1<<i)?1:0);
        if (xr&(1<<i)) on ^= 1;
    }
    res.push_back(on);
    return res;
}
 
vi retrieve(vi v){
    int n = (siz(v) < 100? 63 : 255), xr = 0, check = 0;
    vi res;
    for (int i = 0; i < n; i++){
        xr ^= (i+1)*v[i];
        res.push_back(v[i]);
    }
    for (int i = 0; i < __lg(n+1); i++) if (v[n+i]) check ^= (1<<i);
    if (xr != check && __builtin_popcount(check)%2 == v.back()) res[(xr^check)-1] ^= 1;
    return res;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 644 KB Output is correct
2 Correct 4 ms 664 KB Output is correct
3 Correct 3 ms 644 KB Output is correct
4 Correct 4 ms 644 KB Output is correct
5 Correct 3 ms 644 KB Output is correct
6 Correct 4 ms 812 KB Output is correct
7 Correct 4 ms 652 KB Output is correct
8 Correct 4 ms 652 KB Output is correct
9 Correct 3 ms 652 KB Output is correct
10 Correct 4 ms 728 KB Output is correct
11 Correct 4 ms 644 KB Output is correct
12 Correct 4 ms 652 KB Output is correct
13 Correct 4 ms 644 KB Output is correct
14 Correct 3 ms 648 KB Output is correct
15 Correct 4 ms 652 KB Output is correct
16 Correct 4 ms 652 KB Output is correct
17 Correct 4 ms 644 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 94 ms 2488 KB Output is correct
2 Correct 95 ms 2488 KB Output is correct
3 Correct 98 ms 2496 KB Output is correct
4 Correct 94 ms 2488 KB Output is correct
5 Correct 93 ms 2496 KB Output is correct
6 Correct 102 ms 2488 KB Output is correct
7 Correct 94 ms 2488 KB Output is correct
8 Correct 94 ms 2432 KB Output is correct
9 Correct 99 ms 2496 KB Output is correct
10 Correct 96 ms 2488 KB Output is correct
11 Correct 96 ms 2500 KB Output is correct
12 Correct 95 ms 2488 KB Output is correct
13 Correct 95 ms 2488 KB Output is correct
14 Correct 100 ms 2496 KB Output is correct
15 Correct 100 ms 2488 KB Output is correct
16 Correct 95 ms 2496 KB Output is correct
17 Correct 94 ms 2496 KB Output is correct
18 Correct 96 ms 2496 KB Output is correct
19 Correct 95 ms 2492 KB Output is correct