全输出bi求调
查看原帖
全输出bi求调
999274
CNS_5t0_0r2楼主2025/1/19 16:46
#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N = 1e5 + 9,M = 1e5 + 9,SqrtN = 339,V = 1 << 20;
int n,m;
struct block{
	int l,r;
} b[SqrtN];
int belong[N];
int block_len,block_cnt;
void build_block(){
	block_len = block_cnt = (int)sqrt(n);
	for(int i = 1;i <= block_cnt;i++){
		b[i].l = b[i - 1].r + 1;
		b[i].r = i * block_len;
	}
	b[block_cnt].r = n;
	for(int i = 1;i <= block_cnt;i++)
		for(int j = b[i].l;j <= b[i].r;j++)
			belong[j] = i;
}
struct queries{
	int typ,l,r,x;
	int id;
} q[M];
int a[N],max_a;
int cnt[V];
bitset<V> vis1,vis2;
bool ans[M];
int lres = 1,rres;
bool cmp(queries q1,queries q2){
    return belong[q1.l] == belong[q2.l] ? belong[q1.r] < belong[q2.r] : belong[q1.l] < belong[q2.l];
}
void add(int x){
	cnt[x]++;
	if(cnt[x] == 1)
		vis1[x] = vis2[max_a - x] = true;
}
void del(int x){
	cnt[x]--;
	if(cnt[x] == 0)
		vis1[x] = vis2[max_a - x] = false;
}
signed main(){
	ios::sync_with_stdio(false);
	cin.tie(0);cout.tie(0);
	cin >> n >> m;
	build_block();
	for(int i = 1;i <= n;i++){
		cin >> a[i];
		max_a = max(max_a,a[i]);
	}
	max_a <<= 1;
	for(int i = 1;i <= m;i++){
		cin >> q[i].typ >> q[i].l >> q[i].r >> q[i].x;
		q[i].id = i;
	}
	sort(q + 1,q + m + 1,cmp);
    for(int i = 1;i <= m;i++){
        int L = q[i].l,R = q[i].r;
        while(lres > L)
            add(a[--lres]);
        while(rres < R)
            add(a[++rres]);
        while(lres < L)
            del(a[lres++]);
        while(rres > R)
            del(a[rres--]);
        if(q[i].typ == 1)
        	if((vis1 & (vis1 >> q[i].x)).any())
        		ans[q[i].id] = true;
		else if(q[i].typ == 2)
			if((vis1 & (vis2 >> (max_a - q[i].x))).any())
				ans[q[i].id] = true;
		else if(q[i].typ == 3)
			for(int j = 1;j * j <= q[i].x;j++)
				if(vis1[j] && vis1[q[i].x / j] && !(q[i].x % j)){
					ans[q[i].id] = true;
					break;
				}
    }
	for(int i = 1;i <= m;i++)
		cout << (ans[i] ? "hana" : "bi") << '\n';
	return 0;
}
2025/1/19 16:46
加载中...