「杂题乱刷」洛谷 P2572

先上 AC 代码：

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/*
Tips:
你数组开小了吗？
你MLE了吗？
你觉得是贪心，是不是该想想dp？
一个小时没调出来，是不是该考虑换题？
*/
#include<bits/stdc++.h>
using namespace std;
#define map unordered_map
#define forl(i,a,b) for(register long long i=a;i<=b;i++)
#define forr(i,a,b) for(register long long i=a;i>=b;i--)
#define forll(i,a,b,c) for(register long long i=a;i<=b;i+=c)
#define forrr(i,a,b,c) for(register long long i=a;i>=b;i-=c)
#define lc(x) x<<1
#define rc(x) x<<1|1
#define mid ((l+r)>>1)
#define cin(x) scanf("%lld",&x)
#define cout(x) printf("%lld",x)
#define lowbit(x) x&-x
#define pb push_back
#define pf push_front
#define IOS ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define endl '\n'
#define QwQ return 0;
#define ll long long
#define lcm(x,y) x/__gcd(x,y)*y
#define Sum(x,y) 1ll*(x+y)*(y-x+1)/2
ll t,sq;
struct node{
	ll L,R,sum,fir,firpd,beh,behpd,tag,fugai,len,max1,max0,max1pd,max0pd; 
}bl[100010];
ll a[100010],b[100010],n,m;
void upd(ll id)
{
	if(bl[id].fugai!=-1)
	{
		forl(i,bl[id].L,bl[id].R)
			a[i]=bl[id].fugai;
		bl[id].fir=bl[id].len;
		bl[id].beh=bl[id].len;
		bl[id].firpd=bl[id].fugai;
		bl[id].behpd=bl[id].fugai;
		bl[id].sum=bl[id].fugai*bl[id].len;
		
		bl[id].max1=bl[id].fugai*bl[id].len;
		bl[id].max0=(bl[id].fugai^1)*bl[id].len;
		bl[id].max1pd=1;
		bl[id].max0pd=1;		
		
		bl[id].fugai=-1;
		bl[id].tag=0;
		return ;
	}
	if(bl[id].tag)
		forl(i,bl[id].L,bl[id].R)
			a[i]^=1;
	bl[id].sum=0,bl[id].fir=0,bl[id].firpd=0,bl[id].beh=0,bl[id].behpd=0,bl[id].fugai=-1,bl[id].tag=0;
	
	ll sum=0,Maxn=0;
	forl(j,bl[id].L,bl[id].R)
	{
		if(a[j]==1)
			sum++;
		else
			Maxn=max(Maxn,sum),sum=0;
	}
	bl[id].max1=max(Maxn,sum);
	sum=0,Maxn=0;
	forl(j,bl[id].L,bl[id].R)
	{
		if(a[j]==0)
			sum++;
		else
			Maxn=max(Maxn,sum),sum=0;
	}
	bl[id].max0=max(Maxn,sum);bl[id].max0pd=1;bl[id].max1pd=1;

	ll Sum=0;
	forl(j,bl[id].L,bl[id].R)
		Sum+=a[j];
	forl(j,bl[id].L+1,bl[id].R)
	{
		if(a[bl[id].L]==a[j])
			bl[id].fir++;
		else
			break;
	}
	bl[id].fir++;
	forr(j,bl[id].R-1,bl[id].L)
	{
		if(a[bl[id].R]==a[j])
			bl[id].beh++;
		else
			break;
	}
	bl[id].beh++;
	bl[id].sum=Sum;
	if(a[bl[id].L])
		bl[id].firpd=1;
	if(a[bl[id].R])
		bl[id].behpd=1;		

}
void upd1(ll l,ll r)
{
	if(b[l]==b[r])
	{
		upd(b[l]);
		forl(i,l,r)
			a[i]=0;
		upd(b[l]);
		return ;
	}
	upd(b[l]);
	forl(i,l,bl[b[l]].R)
		a[i]=0;
	upd(b[l]);
	upd(b[r]);
	forl(i,bl[b[r]].L,r)
		a[i]=0;
	upd(b[r]);
	forl(i,b[l]+1,b[r]-1)
		bl[i].fugai=0,bl[i].sum=0,bl[i].fir=bl[i].len,bl[i].beh=bl[i].len,
		bl[i].firpd=0,bl[i].behpd=0,bl[i].tag=0,
		
		bl[i].max1=bl[i].fugai*bl[i].len,
		bl[i].max0=(bl[i].fugai^1)*bl[i].len,
		bl[i].max1pd=1,
		bl[i].max0pd=1;
}
void upd2(ll l,ll r)
{
	if(b[l]==b[r])
	{
		upd(b[l]);
		forl(i,l,r)
			a[i]=1;
		upd(b[l]);
		return ;
	}
	upd(b[l]);
	forl(i,l,bl[b[l]].R)
		a[i]=1;
	upd(b[l]);
	upd(b[r]);
	forl(i,bl[b[r]].L,r)
		a[i]=1;
	upd(b[r]);
	forl(i,b[l]+1,b[r]-1)
		bl[i].fugai=1,bl[i].sum=bl[i].len,bl[i].fir=bl[i].len,bl[i].beh=bl[i].len,
		bl[i].firpd=1,bl[i].behpd=1,bl[i].tag=0,		
		
		bl[i].max1=bl[i].fugai*bl[i].len,
		bl[i].max0=(bl[i].fugai^1)*bl[i].len,
		bl[i].max1pd=1,
		bl[i].max0pd=1;
}
void upd3(ll l,ll r)
{
	if(b[l]==b[r])
	{
		upd(b[l]);
		forl(i,l,r)
			a[i]^=1;
		upd(b[l]);
		return ;
	}
	upd(b[l]);
	forl(i,l,bl[b[l]].R)
		a[i]^=1;
	upd(b[l]);
	upd(b[r]);
	forl(i,bl[b[r]].L,r)
		a[i]^=1;
	upd(b[r]);
	forl(i,b[l]+1,b[r]-1)
	{
		if(bl[i].fugai==-1)
			bl[i].sum=bl[i].len-bl[i].sum,bl[i].firpd^=1,bl[i].behpd^=1,bl[i].tag^=1,swap(bl[i].max1,bl[i].max0);
		else
		{
			bl[i].fugai^=1;
			if(bl[i].fugai==1)
				bl[i].sum=bl[i].len,bl[i].fir=bl[i].len,bl[i].beh=bl[i].len,bl[i].firpd=1,bl[i].behpd=1;
			else
				bl[i].sum=0,bl[i].fir=bl[i].len,bl[i].beh=bl[i].len,bl[i].firpd=0,bl[i].behpd=0;
			
			bl[i].max1=bl[i].fugai*bl[i].len;
			bl[i].max0=(bl[i].fugai^1)*bl[i].len;
			bl[i].max1pd=1;
			bl[i].max0pd=1;
		}
	}
}
ll query1(ll l,ll r)
{
	if(b[l]==b[r])
	{
		ll Sum=0;
		upd(b[l]);
		forl(i,l,r)
			Sum+=a[i];
		return Sum;
	}
	ll Sum=0;
	upd(b[l]);
	forl(i,l,bl[b[l]].R)
		Sum+=a[i];
	upd(b[r]);
	forl(i,bl[b[r]].L,r)
		Sum+=a[i];
	forl(i,b[l]+1,b[r]-1)
		Sum+=bl[i].sum;
	return Sum;
}
ll query2(ll l,ll r)
{
	ll Sum=0,maxn=0;
	if(b[l]==b[r])
	{
		upd(b[l]);
		forl(i,l,r)
		{
			if(a[i])
				Sum++;
			else
				maxn=max(maxn,Sum),Sum=0;
		}
		return max(maxn,Sum);
	}
	upd(b[l]);
	upd(b[r]);
	forl(i,l,bl[b[l]].R)
	{
		if(a[i])
			Sum++;
		else
			maxn=max(maxn,Sum),Sum=0;
	}
	forl(i,b[l]+1,b[r]-1)
	{
		if(bl[i].fir*bl[i].firpd==bl[i].len)
		{
			Sum+=bl[i].len;
			continue;
		}
	/*	else if(bl[i].fir==bl[i].len)
		{
			maxn=max(maxn,Sum);
			Sum=0;
			continue;
		}*/
		else
		{
			Sum+=bl[i].fir*bl[i].firpd;
			maxn=max(maxn,Sum);
			Sum=bl[i].beh*bl[i].behpd;
		}
	//	if(bl[i].firpd+bl[i].behpd==0)
		maxn=max(maxn,bl[i].max1);
	}
	forl(i,bl[b[r]].L,r)
	{
		if(a[i]==1)
			Sum++;
		else
			maxn=max(maxn,Sum),Sum=0;
	}
	return max(maxn,Sum);
}
void solve()
{
	cin>>n>>m;
	sq=pow(sqrt(n),0.66);
	forl(i,1,n)
		cin>>a[i];
	forl(i,1,n)
	{
		bl[i].L=bl[i-1].R+1;
		bl[i].R=min(n,i*sq);
		ll Sum=0;
		forl(j,bl[i].L,bl[i].R)
			Sum+=a[j],b[j]=i;
		forl(j,bl[i].L+1,bl[i].R)
		{
			if(a[bl[i].L]==a[j])
				bl[i].fir++;
			else
				break;
		}
		bl[i].fir++;
		forr(j,bl[i].R-1,bl[i].L)
		{
			if(a[bl[i].R]==a[j])
				bl[i].beh++;
			else
				break;
		}
		
		ll sum=0,Maxn=0;
		forl(j,bl[i].L,bl[i].R)
		{
			if(a[j]==1)
				sum++;
			else
				Maxn=max(Maxn,sum),sum=0;
		}
		bl[i].max1=max(Maxn,sum);
		sum=0,Maxn=0;
		forl(j,bl[i].L,bl[i].R)
		{
			if(a[j]==0)
				sum++;
			else
				Maxn=max(Maxn,sum),sum=0;
		}
		bl[i].max0=max(Maxn,sum);bl[i].max0pd=1;bl[i].max1pd=1;
		
		bl[i].beh++;
		bl[i].sum=Sum;
		bl[i].fugai=-1;
		bl[i].len=bl[i].R-bl[i].L+1;
		if(a[bl[i].L])
			bl[i].firpd=1;
		if(a[bl[i].R])
			bl[i].behpd=1;		
		if(bl[i].R==n)
			break;
	}
	while(m--)
	{
		ll opt,l,r;
		cin>>opt>>l>>r;
		l++,r++;
		if(opt==0)
			upd1(l,r);
		else if(opt==1)
			upd2(l,r);
		else if(opt==2)
			upd3(l,r);
		else if(opt==3)
			cout<<query1(l,r)<<endl;
		else
			cout<<query2(l,r)<<endl;
	/*	forl(i,1,n)
			upd(i);
		forl(i,1,n)
		{
			cout<<a[i]<<' ';
			if(i==706)
				cout<<endl;
		}
		cout<<endl;*/
	}
}
/*
1000 2
1 1 0 1 0 1 1 0 1 1 0 0 0 0 1 0 1 0 0 0 1 0 1 1 1 0 0 1 0 0 1 1 0 0 0 1 1 0 1 1 1 1 0 1 0 1 1 1 0 0 0 1 1 0 0 1 0 1 0 1 1 1 0 0 1 1 0 1 0 0 0 0 1 1 0 1 1 0 0 1 1 1 1 1 0 0 0 0 1 1 0 0 0 1 0 1 1 0 1 0 1 0 1 0 0 1 1 1 1 0 0 0 1 0 0 0 1 1 1 1 1 0 1 0 1 0 1 1 1 1 0 0 1 1 1 1 0 1 0 1 0 0 0 1 0 1 1 0 1 0 1 1 0 1 0 1 1 0 1 1 0 0 0 0 1 1 0 1 0 1 1 0 0 0 0 0 0 0 1 0 1 1 1 0 1 1 0 0 0 1 1 0 0 1 0 0 1 1 1 0 1 0 0 1 1 1 0 0 0 1 1 0 0 1 1 0 0 1 1 1 0 1 0 1 1 1 1 1 0 1 1 1 1 0 1 0 1 0 1 1 1 0 0 0 0 0 0 0 0 1 1 0 1 1 0 1 0 0 1 0 0 1 1 0 1 1 1 0 0 0 1 1 0 1 0 1 1 1 0 1 1 0 1 1 1 0 1 1 0 1 1 0 0 1 0 1 1 0 0 1 1 1 1 1 1 0 1 0 0 1 0 1 0 0 1 1 1 1 1 1 0 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 0 1 0 0 1 0 0 0 1 1 0 1 1 1 0 0 0 1 0 1 0 1 0 0 0 1 0 1 1 0 0 1 0 0 1 1 1 1 1 0 1 0 0 0 1 0 0 1 1 0 1 0 0 0 0 0 0 1 0 1 0 1 1 1 1 1 1 1 0 0 0 0 0 0 1 0 1 0 1 0 1 1 1 1 1 1 0 0 1 0 0 1 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 1 0 1 1 0 0 1 0 0 0 1 0 0 0 1 1 0 0 0 0 1 0 0 1 1 0 1 1 1 1 1 0 0 1 1 1 0 0 0 1 0 1 0 0 0 1 0 0 1 0 1 1 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 0 0 1 0 0 1 0 1 0 0 0 1 0 1 1 1 0 0 1 0 0 0 0 1 1 1 0 0 1 1 1 0 1 0 0 0 0 1 0 1 1 1 1 0 1 1 1 0 1 1 0 1 1 0 0 1 0 1 0 0 0 0 1 1 0 0 0 1 1 0 0 0 0 1 1 0 1 1 0 1 0 1 0 0 0 0 0 0 1 0 0 1 0 1 1 1 0 0 1 1 0 1 1 0 1 1 1 1 1 1 0 1 1 0 1 0 1 1 0 0 0 1 0 1 0 0 0 1 0 0 1 1 0 0 0 0 1 1 0 0 0 1 1 1 1 0 0 0 0 1 0 1 1 0 1 0 1 1 1 0 1 0 0 0 0 0 1 1 1 0 1 1 1 1 0 1 0 1 0 1 0 1 1 1 1 1 0 0 1 1 1 0 1 1 1 1 0 0 0 1 1 1 1 0 0 1 1 1 1 1 0 1 0 1 0 1 1 1 0 1 0 1 1 0 0 0 1 1 0 1 0 1 0 0 0 0 1 0 0 1 0 1 0 1 1 1 0 0 1 0 1 1 0 0 1 1 1 1 1 0 1 0 1 0 1 0 0 1 0 0 1 1 1 1 0 1 1 0 0 0 1 0 1 1 1 1 0 0 0 1 1 1 0 0 1 1 1 1 0 0 1 1 0 1 1 0 1 1 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 1 1 1 1 1 0 1 0 1 1 0 1 0 1 1 1 1 1 0 0 0 0 1 1 0 1 1 0 0 1 1 1 0 0 0 1 0 0 0 1 1 0 0 1 1 0 1 1 1 1 1 1 0 0 1 0 0 1 0 0 1 0 1 1 1 0 0 0 0 1 1 1 1 0 0 0 1 1 1 1 1 0 1 0 0 1 0 1 1 0 1 0 1 0 1 0 1 1 1 0 1 1 0 1 1 1 0 0 0 1 1 0 0 0 1 0 0 0 1 0 1 1 0 1 1 0 0 0 1 1 1 1 1 0 0 0 1 1 1 
2 496 718
4 706 758
5
*/
/*
1000 6
1 1 0 1 0 1 1 0 1 1 0 0 0 0 1 0 1 0 0 0 1 0 1 1 1 0 0 1 0 0 1 1 0 0 0 1 1 0 1 1 1 1 0 1 0 1 1 1 0 0 0 1 1 0 0 1 0 1 0 1 1 1 0 0 1 1 0 1 0 0 0 0 1 1 0 1 1 0 0 1 1 1 1 1 0 0 0 0 1 1 0 0 0 1 0 1 1 0 1 0 1 0 1 0 0 1 1 1 1 0 0 0 1 0 0 0 1 1 1 1 1 0 1 0 1 0 1 1 1 1 0 0 1 1 1 1 0 1 0 1 0 0 0 1 0 1 1 0 1 0 1 1 0 1 0 1 1 0 1 1 0 0 0 0 1 1 0 1 0 1 1 0 0 0 0 0 0 0 1 0 1 1 1 0 1 1 0 0 0 1 1 0 0 1 0 0 1 1 1 0 1 0 0 1 1 1 0 0 0 1 1 0 0 1 1 0 0 1 1 1 0 1 0 1 1 1 1 1 0 1 1 1 1 0 1 0 1 0 1 1 1 0 0 0 0 0 0 0 0 1 1 0 1 1 0 1 0 0 1 0 0 1 1 0 1 1 1 0 0 0 1 1 0 1 0 1 1 1 0 1 1 0 1 1 1 0 1 1 0 1 1 0 0 1 0 1 1 0 0 1 1 1 1 1 1 0 1 0 0 1 0 1 0 0 1 1 1 1 1 1 0 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 0 1 0 0 1 0 0 0 1 1 0 1 1 1 0 0 0 1 0 1 0 1 0 0 0 1 0 1 1 0 0 1 0 0 1 1 1 1 1 0 1 0 0 0 1 0 0 1 1 0 1 0 0 0 0 0 0 1 0 1 0 1 1 1 1 1 1 1 0 0 0 0 0 0 1 0 1 0 1 0 1 1 1 1 1 1 0 0 1 0 0 1 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 1 0 1 1 0 0 1 0 0 0 1 0 0 0 1 1 0 0 0 0 1 0 0 1 1 0 1 1 1 1 1 0 0 1 1 1 0 0 0 1 0 1 0 0 0 1 0 0 1 0 1 1 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 0 0 1 0 0 1 0 1 0 0 0 1 0 1 1 1 0 0 1 0 0 0 0 1 1 1 0 0 1 1 1 0 1 0 0 0 0 1 0 1 1 1 1 0 1 1 1 0 1 1 0 1 1 0 0 1 0 1 0 0 0 0 1 1 0 0 0 1 1 0 0 0 0 1 1 0 1 1 0 1 0 1 0 0 0 0 0 0 1 0 0 1 0 1 1 1 0 0 1 1 0 1 1 0 1 1 1 1 1 1 0 1 1 0 1 0 1 1 0 0 0 1 0 1 0 0 0 1 0 0 1 1 0 0 0 0 1 1 0 0 0 1 1 1 1 0 0 0 0 1 0 1 1 0 1 0 1 1 1 0 1 0 0 0 0 0 1 1 1 0 1 1 1 1 0 1 0 1 0 1 0 1 1 1 1 1 0 0 1 1 1 0 1 1 1 1 0 0 0 1 1 1 1 0 0 1 1 1 1 1 0 1 0 1 0 1 1 1 0 1 0 1 1 0 0 0 1 1 0 1 0 1 0 0 0 0 1 0 0 1 0 1 0 1 1 1 0 0 1 0 1 1 0 0 1 1 1 1 1 0 1 0 1 0 1 0 0 1 0 0 1 1 1 1 0 1 1 0 0 0 1 0 1 1 1 1 0 0 0 1 1 1 0 0 1 1 1 1 0 0 1 1 0 1 1 0 1 1 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 1 1 1 1 1 0 1 0 1 1 0 1 0 1 1 1 1 1 0 0 0 0 1 1 0 1 1 0 0 1 1 1 0 0 0 1 0 0 0 1 1 0 0 1 1 0 1 1 1 1 1 1 0 0 1 0 0 1 0 0 1 0 1 1 1 0 0 0 0 1 1 1 1 0 0 0 1 1 1 1 1 0 1 0 0 1 0 1 1 0 1 0 1 0 1 0 1 1 1 0 1 1 0 1 1 1 0 0 0 1 1 0 0 0 1 0 0 0 1 0 1 1 0 1 1 0 0 0 1 1 1 1 1 0 0 0 1 1 1 
2 894 952
1 902 924
2 496 718
4 159 328
3 430 951
4 706 758
6
282
5
*/
int main()
{
//	IOS;
	t=1;
//	cin>>t;
	while(t--)
		solve();
    /******************/
	/*while(L<q[i].l) */
	/*    del(a[L++]);*/
	/*while(L>q[i].l) */
	/*    add(a[--L]);*/
	/*while(R<q[i].r) */
	/*	  add(a[++R]);*/
	/*while(R>q[i].r) */
	/*    del(a[R--]);*/
    /******************/
	QwQ;
}
/*

*/
/*
100 16
0 0 1 1 1 1 1 1 1 1 0 0 1 0 0 1 1 1 0 1 0 1 1 0 1 0 1 0 1 0 0 1 0 0 0 1 0 0 1 1 0 1 0 1 0 1 1 1 1 0 0 0 1 0 0 1 0 1 1 0 1 1 0 0 0 1 1 1 1 1 0 0 1 1 1 0 0 0 1 1 0 0 1 1 1 0 1 1 1 0 1 0 1 1 1 0 0 1 0 1 
1 48 66
0 62 92
0 25 29
2 64 81
2 3 36
3 6 33
1 9 38
0 63 85
2 22 48
2 38 71
4 94 94
4 56 84
0 44 93
0 38 61
1 27 43
4 51 96
15
1
10
1
*/
/*
100 4
0 0 1 1 0 1 0 1 1 0 0 1 0 1 0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 1 0 0 1 1 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 1 1 1 1 0 0 1 1 0 1 0 1 1 0 0 1 0 1 0 0 0 1 1 0 0 1 0 0 0 1 1 1 1 1 0 1 0 1 0 0 0 0 1 1 1 1 1 0 1 1 0 
2 36 46
4 76 89
1 76 97
4 42 67
5
6
*/
/*
10 10
1 0 1 0 1 1 0 0 1 1 
2 7 7
2 2 9
4 8 9
0 7 7
1 8 8
1 1 9
2 3 9
0 8 8
4 3 4
1 8 8
0
0
*/
/*
10 10
1 0 1 1 1 0 0 0 0 0 
3 4 5
1 2 5
4 4 4
0 8 9
0 7 8
1 6 7
4 5 9
1 2 6
4 0 5
3 9 9
1
1
3
4
0
*/
/*
10 10
0 0 1 1 1 1 1 0 0 0 
0 1 3
3 1 9
2 4 9
1 3 7
0 1 4
1 3 7
1 0 0
2 3 4
2 4 7
4 2 9

3
2
*/
/*
20 20
0 1 1 1 0 1 1 1 1 0 1 1 1 1 0 1 1 0 0 0 
4 5 8
4 1 8
4 7 7
4 0 8
3 3 6
4 0 8
1 0 9
3 0 2
2 6 9
0 3 7
1 0 8
0 2 4
2 9 9
3 3 3
0 0 7
1 1 6
1 1 4
1 0 6
3 4 8
3 1 7

4
4
1
4
3
4
3
0
4
6
*/

最需要注意的就是操作 \(4\) 了，这里我来提供几组 hack 数据：

若您使用分块做法，将块长调为 pow(sqrt(n),0.66) 后食用以下几组数据效果更佳。

1：

in：

1000 6
1 1 0 1 0 1 1 0 1 1 0 0 0 0 1 0 1 0 0 0 1 0 1 1 1 0 0 1 0 0 1 1 0 0 0 1 1 0 1 1 1 1 0 1 0 1 1 1 0 0 0 1 1 0 0 1 0 1 0 1 1 1 0 0 1 1 0 1 0 0 0 0 1 1 0 1 1 0 0 1 1 1 1 1 0 0 0 0 1 1 0 0 0 1 0 1 1 0 1 0 1 0 1 0 0 1 1 1 1 0 0 0 1 0 0 0 1 1 1 1 1 0 1 0 1 0 1 1 1 1 0 0 1 1 1 1 0 1 0 1 0 0 0 1 0 1 1 0 1 0 1 1 0 1 0 1 1 0 1 1 0 0 0 0 1 1 0 1 0 1 1 0 0 0 0 0 0 0 1 0 1 1 1 0 1 1 0 0 0 1 1 0 0 1 0 0 1 1 1 0 1 0 0 1 1 1 0 0 0 1 1 0 0 1 1 0 0 1 1 1 0 1 0 1 1 1 1 1 0 1 1 1 1 0 1 0 1 0 1 1 1 0 0 0 0 0 0 0 0 1 1 0 1 1 0 1 0 0 1 0 0 1 1 0 1 1 1 0 0 0 1 1 0 1 0 1 1 1 0 1 1 0 1 1 1 0 1 1 0 1 1 0 0 1 0 1 1 0 0 1 1 1 1 1 1 0 1 0 0 1 0 1 0 0 1 1 1 1 1 1 0 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 0 1 0 0 1 0 0 0 1 1 0 1 1 1 0 0 0 1 0 1 0 1 0 0 0 1 0 1 1 0 0 1 0 0 1 1 1 1 1 0 1 0 0 0 1 0 0 1 1 0 1 0 0 0 0 0 0 1 0 1 0 1 1 1 1 1 1 1 0 0 0 0 0 0 1 0 1 0 1 0 1 1 1 1 1 1 0 0 1 0 0 1 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 1 0 1 1 0 0 1 0 0 0 1 0 0 0 1 1 0 0 0 0 1 0 0 1 1 0 1 1 1 1 1 0 0 1 1 1 0 0 0 1 0 1 0 0 0 1 0 0 1 0 1 1 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 0 0 1 0 0 1 0 1 0 0 0 1 0 1 1 1 0 0 1 0 0 0 0 1 1 1 0 0 1 1 1 0 1 0 0 0 0 1 0 1 1 1 1 0 1 1 1 0 1 1 0 1 1 0 0 1 0 1 0 0 0 0 1 1 0 0 0 1 1 0 0 0 0 1 1 0 1 1 0 1 0 1 0 0 0 0 0 0 1 0 0 1 0 1 1 1 0 0 1 1 0 1 1 0 1 1 1 1 1 1 0 1 1 0 1 0 1 1 0 0 0 1 0 1 0 0 0 1 0 0 1 1 0 0 0 0 1 1 0 0 0 1 1 1 1 0 0 0 0 1 0 1 1 0 1 0 1 1 1 0 1 0 0 0 0 0 1 1 1 0 1 1 1 1 0 1 0 1 0 1 0 1 1 1 1 1 0 0 1 1 1 0 1 1 1 1 0 0 0 1 1 1 1 0 0 1 1 1 1 1 0 1 0 1 0 1 1 1 0 1 0 1 1 0 0 0 1 1 0 1 0 1 0 0 0 0 1 0 0 1 0 1 0 1 1 1 0 0 1 0 1 1 0 0 1 1 1 1 1 0 1 0 1 0 1 0 0 1 0 0 1 1 1 1 0 1 1 0 0 0 1 0 1 1 1 1 0 0 0 1 1 1 0 0 1 1 1 1 0 0 1 1 0 1 1 0 1 1 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 1 1 1 1 1 0 1 0 1 1 0 1 0 1 1 1 1 1 0 0 0 0 1 1 0 1 1 0 0 1 1 1 0 0 0 1 0 0 0 1 1 0 0 1 1 0 1 1 1 1 1 1 0 0 1 0 0 1 0 0 1 0 1 1 1 0 0 0 0 1 1 1 1 0 0 0 1 1 1 1 1 0 1 0 0 1 0 1 1 0 1 0 1 0 1 0 1 1 1 0 1 1 0 1 1 1 0 0 0 1 1 0 0 0 1 0 0 0 1 0 1 1 0 1 1 0 0 0 1 1 1 1 1 0 0 0 1 1 1 
2 894 952
1 902 924
2 496 718
4 159 328
3 430 951
4 706 758

out：

6
282
5

2：

in：

100 16
0 0 1 1 1 1 1 1 1 1 0 0 1 0 0 1 1 1 0 1 0 1 1 0 1 0 1 0 1 0 0 1 0 0 0 1 0 0 1 1 0 1 0 1 0 1 1 1 1 0 0 0 1 0 0 1 0 1 1 0 1 1 0 0 0 1 1 1 1 1 0 0 1 1 1 0 0 0 1 1 0 0 1 1 1 0 1 1 1 0 1 0 1 1 1 0 0 1 0 1 
1 48 66
0 62 92
0 25 29
2 64 81
2 3 36
3 6 33
1 9 38
0 63 85
2 22 48
2 38 71
4 94 94
4 56 84
0 44 93
0 38 61
1 27 43
4 51 96

out：

3：

in：

100 4
0 0 1 1 0 1 0 1 1 0 0 1 0 1 0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 1 0 0 1 1 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 1 1 1 1 0 0 1 1 0 1 0 1 1 0 0 1 0 1 0 0 0 1 1 0 0 1 0 0 0 1 1 1 1 1 0 1 0 1 0 0 0 0 1 1 1 1 1 0 1 1 0 
2 36 46
4 76 89
1 76 97
4 42 67

out：

5
6

4：

in：

10 10
1 0 1 0 1 1 0 0 1 1 
2 7 7
2 2 9
4 8 9
0 7 7
1 8 8
1 1 9
2 3 9
0 8 8
4 3 4
1 8 8

out：

0
0

5：

in：

10 10
1 0 1 1 1 0 0 0 0 0
3 4 5
1 2 5
4 4 4
0 8 9
0 7 8
1 6 7
4 5 9
1 2 6
4 0 5
3 9 9

out：

6：

in：

10 10
0 0 1 1 1 1 1 0 0 0 
0 1 3
3 1 9
2 4 9
1 3 7
0 1 4
1 3 7
1 0 0
2 3 4
2 4 7
4 2 9

out：

3
2

7：

in：

20 20
0 1 1 1 0 1 1 1 1 0 1 1 1 1 0 1 1 0 0 0 
4 5 8
4 1 8
4 7 7
4 0 8
3 3 6
4 0 8
1 0 9
3 0 2
2 6 9
0 3 7
1 0 8
0 2 4
2 9 9
3 3 3
0 0 7
1 1 6
1 1 4
1 0 6
3 4 8
3 1 7

out：

posted @ 2024-03-13 12:36 wangmarui 阅读(17) 评论(0) 编辑收藏举报

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