Submission #644582

#	Time	Username	Problem	Language	Result	Execution time	Memory
644582		ymm	Fortune Telling 2 (JOI14_fortune_telling2)	C++17	35 / 100	3053 ms	1108 KiB

fortune_telling2

#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;

const int N = 200'010;
int a[N], b[N];
int n;

__attribute__((optimize("O3,unroll-loops"),target("avx2")))
void up(int x)
{
	Loop (i,0,n)
		a[i] ^= a[i] <= x? b[i]: 0;
}

int main()
{
	cin.tie(0) -> sync_with_stdio(false);
	int q;
	cin >> n >> q;
	Loop (i,0,n) {
		cin >> a[i] >> b[i];
		b[i] ^= a[i];
	}
	while (q--) {
		int t;
		cin >> t;
		up(t);
	}
	ll ans = 0;
	Loop (i,0,n)
		ans += a[i];
	cout << ans << '\n';
}

• Subtask 1: 4 / 4
• Subtask 2: 31 / 31
• Subtask 3: 0 / 65