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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#810199#9870. Itemsucup-team191#TL 26ms3828kbC++232.3kb2024-12-11 20:21:132024-12-11 20:21:20

Judging History

你现在查看的是最新测评结果

  • [2024-12-11 20:21:20]
  • 评测
  • 测评结果:TL
  • 用时:26ms
  • 内存:3828kb
  • [2024-12-11 20:21:13]
  • 提交

answer

#include <bits/stdc++.h>
#define x first
#define y second
#define X first
#define Y second
using namespace std;
using ll=long long;
using vi=vector<int>;
using vl=vector<ll>;
using pii=pair<int,int>;
#define all(a) begin(a),end(a)
#define sz(a) (int)a.size()
#define pb push_back
#define rep(i,a,b) for(int i = (a);i < (b);i++)
#define PB push_back

const int N=100010;
const char en='\n';
const ll LLINF=1ll<<60;

const ll mod = 998244353, root = 62;

ll modpow(ll x, ll eks) {
	ll ret = 1;
	for(;eks;eks >>= 1) {
		if(eks & 1) ret = ret * x % mod;
		x = x * x % mod;
	}
	return ret;
}

void ntt(vl &a) {
	int n = sz(a), L = 31 - __builtin_clz(n);
	static vl rt(2, 1);
	for (static int k = 2, s = 2; k < n; k *= 2, s++) {
		rt.resize(n);
		ll z[] = {1, modpow(root, mod >> s)};
		rep(i,k,2*k) rt[i] = rt[i / 2] * z[i & 1] % mod;
	}
	vi rev(n);
	rep(i,0,n) rev[i] = (rev[i / 2] | (i & 1) << L) / 2;
	rep(i,0,n) if (i < rev[i]) swap(a[i], a[rev[i]]);
	for (int k = 1;k < n;k *= 2) 
		for(int i = 0;i < n; i += 2 * k) rep(j,0,k) {
			ll z = rt[j + k] * a[i + j + k] % mod, &ai = a[i + j];
			a[i + j + k] = ai - z + (z > ai ? mod : 0);
			ai += (ai + z >= mod ? z - mod : z);
		}
}

vl conv(const vl &a, const vl &b) {
	if(a.empty() || b.empty()) return {};
	int s = sz(a) + sz(b) - 1, B = 32 - __builtin_clz(s), n = 1 << B;
	int inv = modpow(n, mod - 2);
	vl L(a), R(b), out(n);
	L.resize(n), R.resize(n);
	ntt(L), ntt(R);
	rep(i,0,n) out[-i & (n - 1)] = (ll)L[i] * R[i] % mod * inv % mod;
	ntt(out);
	return {out.begin(), out.begin() + s};
}

map<pair<pair<ll,ll>,int>,vl> mem;
ll cn[N],m;
int t,n;

vl f(ll l,ll r,int k)
{
	if (mem.find({{l,r},k})!=mem.end()) return mem[{{l,r},k}];
	if (k==1)
	{
		vl odg(r-l+1);
		for (ll x=l;x<=r;++x) if (x>=0 && x<=n) odg[x-l]=cn[x];
		return mem[{{l,r},k}]=odg;
	}
	ll l1=(l-n)/2,r1=(r+n+1)/2;
	vl a=f(l1,r1,k/2);
	vl b=f(l1,r1,(k+1)/2);
	vl c=conv(a,b);
	vl odg(r-l+1);
	for (int i=0;i<=r-l;++i) odg[i]=c[i+(l-2*l1)];
	return odg;
}

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin>>t;
	while (t--)
	{
		mem.clear();
		cin>>n>>m;
		for (int i=0;i<=n;++i) cn[i]=0;
		for (int i=0;i<n;++i)
		{
			int x;
			cin>>x;
			cn[x]=1;
			//cn[x]=max(rand(),1);
		}
		vl u=f(m,m,n);
		if (u[0]) cout<<"YES\n";
		else cout<<"NO\n";
	}
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3560kb

input:

4
5 25
0 0 0 0 5
5 11
4 4 4 5 5
5 0
1 2 3 4 5
5 25
0 1 2 3 4

output:

YES
NO
NO
NO

result:

ok 4 token(s): yes count is 1, no count is 3

Test #2:

score: 0
Accepted
time: 3ms
memory: 3632kb

input:

1314
1 0
0
1 0
1
1 1
0
1 1
1
2 0
0 0
2 0
0 1
2 0
0 2
2 0
1 0
2 0
1 1
2 0
1 2
2 0
2 0
2 0
2 1
2 0
2 2
2 1
0 0
2 1
0 1
2 1
0 2
2 1
1 0
2 1
1 1
2 1
1 2
2 1
2 0
2 1
2 1
2 1
2 2
2 2
0 0
2 2
0 1
2 2
0 2
2 2
1 0
2 2
1 1
2 2
1 2
2 2
2 0
2 2
2 1
2 2
2 2
2 3
0 0
2 3
0 1
2 3
0 2
2 3
1 0
2 3
1 1
2 3
1 2
2 3
2 0...

output:

YES
NO
NO
YES
YES
YES
YES
YES
NO
NO
YES
NO
NO
NO
YES
NO
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES
NO
YES
NO
NO
NO
YES
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
YES
NO
NO
NO
YES
NO
NO
NO
YES
YES
YES...

result:

ok 1314 token(s): yes count is 732, no count is 582

Test #3:

score: 0
Accepted
time: 20ms
memory: 3572kb

input:

10000
4 1
0 0 0 0
4 1
0 0 0 1
4 1
0 0 0 2
4 1
0 0 0 3
4 1
0 0 0 4
4 1
0 0 1 0
4 1
0 0 1 1
4 1
0 0 1 2
4 1
0 0 1 3
4 1
0 0 1 4
4 1
0 0 2 0
4 1
0 0 2 1
4 1
0 0 2 2
4 1
0 0 2 3
4 1
0 0 2 4
4 1
0 0 3 0
4 1
0 0 3 1
4 1
0 0 3 2
4 1
0 0 3 3
4 1
0 0 3 4
4 1
0 0 4 0
4 1
0 0 4 1
4 1
0 0 4 2
4 1
0 0 4 3
4 1
0 ...

output:

NO
YES
NO
NO
NO
YES
YES
YES
YES
YES
NO
YES
NO
NO
NO
NO
YES
NO
NO
NO
NO
YES
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
NO
NO
NO
YES
YES
YES
YES
YES
NO
YES
NO
NO
NO
NO
YES
NO
NO
NO
NO
YES
NO
NO
NO
NO
YES
NO
NO
NO
YES
YES
YES
YES
...

result:

ok 10000 token(s): yes count is 6168, no count is 3832

Test #4:

score: 0
Accepted
time: 7ms
memory: 3824kb

input:

1612
5 0
0 0 0 0 0
5 0
1 1 1 1 1
5 0
0 1 1 1 1
5 0
2 2 2 2 2
5 0
0 2 2 2 2
5 0
1 2 2 2 2
5 0
0 1 2 2 2
5 0
3 3 3 3 3
5 0
0 3 3 3 3
5 0
1 3 3 3 3
5 0
0 1 3 3 3
5 0
2 3 3 3 3
5 0
0 2 3 3 3
5 0
1 2 3 3 3
5 0
0 1 2 3 3
5 0
4 4 4 4 4
5 0
0 4 4 4 4
5 0
1 4 4 4 4
5 0
0 1 4 4 4
5 0
2 4 4 4 4
5 0
0 2 4 4 4
5...

output:

YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
NO
NO
YES
NO
NO
NO
YES
NO
NO
NO
YES
NO
NO
NO
YES
NO
NO
NO
YES
NO
NO
NO
YES
NO
NO
NO...

result:

ok 1612 token(s): yes count is 864, no count is 748

Test #5:

score: 0
Accepted
time: 26ms
memory: 3828kb

input:

4662
6 0
0 0 0 0 0 0
6 0
1 1 1 1 1 1
6 0
0 1 1 1 1 1
6 0
2 2 2 2 2 2
6 0
0 2 2 2 2 2
6 0
1 2 2 2 2 2
6 0
0 1 2 2 2 2
6 0
3 3 3 3 3 3
6 0
0 3 3 3 3 3
6 0
1 3 3 3 3 3
6 0
0 1 3 3 3 3
6 0
2 3 3 3 3 3
6 0
0 2 3 3 3 3
6 0
1 2 3 3 3 3
6 0
0 1 2 3 3 3
6 0
4 4 4 4 4 4
6 0
0 4 4 4 4 4
6 0
1 4 4 4 4 4
6 0
0 1...

output:

YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO...

result:

ok 4662 token(s): yes count is 2730, no count is 1932

Test #6:

score: -100
Time Limit Exceeded

input:

1
100000 9999999999
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 9...

output:


result: