Submission #227533

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
227533	2020-04-27 17:20:00	srvlt	Intergalactic ship (IZhO19_xorsum)	C++14	100 / 100	1473 ms	49016 KiB

xorsum

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#include <bits/stdc++.h>
using namespace std;
 
#define ll long long
#define ull unsigned long long
#define db long double
#define pb push_back
#define ppb pop_back
#define F first
#define S second
#define mp make_pair
#define all(x) (x).begin(), (x).end()
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
 
const int N = 1003, M = 100003, K = 128, MOD = 1e9 + 7;
int n, q, a[N], pw[M];
vector <pii> L[N], R[N];
int bit[K], mask[K];
 
struct basis {
  short int b[7];
  int sz = 0, bsz = 0;
  bitset <K> can;
  basis() {
    memset(& b, 0, sizeof(b));
    can[0] = 1;
 
 
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