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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#776354#9104. Zayin and ForestwallcrackML 813ms90008kbC++201.4kb2024-11-23 18:20:442024-11-23 18:20:45

Judging History

你现在查看的是最新测评结果

  • [2024-11-23 18:20:45]
  • 评测
  • 测评结果:ML
  • 用时:813ms
  • 内存:90008kb
  • [2024-11-23 18:20:44]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const long long N=1e18+10,M=1e5+10;
long long n,m;
struct info{
	int l,r;
	long long val;
}tr[(M<<7)+ (M<<6) ];

long long F(long long x)
{
	int p=0;
	while(!((1ll<<p)&x and !(((1ll<<(p+1))&x))))p++;
	long long res=(1ll<<(p+1));
	for(int i=p+2;i<63;i++)
		if(x&(1ll<<i))res|=(1ll<<i);
	return res;
}

int ptr=0;
void update(int &rt,long long l,long long r,long long p,int v)
{
	if(!rt)
	{
		rt=++ptr;
	}
	if(l==r)
	{
		tr[rt].val+=v;
		return;
	}
	long long mid=l+r>>1;
	tr[rt].val+=v;
	if(p>=mid+1)
	{
		update(tr[rt].r,mid+1,r,p,v);
	}
	else {
		update(tr[rt].l,l,mid,p,v);
	}
}
long long query(int &rt,long long l,long long r,long long L,long long R)
{
	if(r<L||l>R)
	return 0;
	if(!rt)
	{
		rt=++ptr;
	}
	if(l<=L&&R<=r)
	{
		return tr[rt].val;
	}
	long long ans=0;
	long long mid=L+R>>1;
	if(tr[rt].l)
	{
		ans+=query(tr[rt].l,l,r,L,mid);
	}
	if(tr[rt].r)
	{
		ans+=query(tr[rt].r,l,r,mid+1,R);
	}
	return ans;
	
}

signed main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin>>n>>m;
	int rt=0;
	for(int i=1;i<=m;i++)
	{
		int op;
		cin>>op;
		if(op==1)
		{
			long long x,v;
			cin>>x>>v;
			while(x<=n)
			{
				update(rt,1,n,x,v);
				x=F(x);
			}
		}
		else 
		{
			long long l,r;
			cin>>l>>r;
			cout<<query(rt,l,r,1,n)<<"\n";
		}
	}
	return 0;
}

 

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 47ms
memory: 21764kb

input:

1000000000 20000
2 384578735 526547442
1 64211261 592970906
1 512065247 448267721
1 44993150 127180320
1 880319036 927623947
1 170536687 572121854
1 896600029 804033011
1 666246328 754201635
1 654066651 179982083
2 240989825 984888006
2 372004567 858916479
2 76127818 98606736
1 181794163 902842353
1...

output:

0
43148875202
17613404710
0
32808578044
28190043566
15641637055
78276219892
14955165236
20262224725
105057452192
17002492367
57916137452
27165464255
72766353838
39458327919
38294102627
264448717384
0
70928519548
279674530483
88885017175
111664599432
69703816663
211506104092
104120007714
34403738515
...

result:

ok 6649 lines

Test #2:

score: 0
Accepted
time: 813ms
memory: 90008kb

input:

1000000000000000000 100000
1 384578735 526547442
1 64211261 592970906
1 512065247 448267721
1 44993150 127180320
1 880319036 927623947
1 170536687 572121854
1 896600029 804033011
2 666246328 931651408754201635
1 654066651 179982083
1 984888006 240989825
1 372004567 858916479
1 76127818 98606736
1 18...

output:

144205553442
497561506762
903930740555
878459229726
689906696633
859703313829
735231510045
1177875391120
1461659121798
1612314483744
2027462020547
1991476058156
2381861014705
2033973986301
2117738140401
2946661001323
2187638958334
2593068002437
1854182975909
2262561461341
3038788266419
3070435321746...

result:

ok 12561 lines

Test #3:

score: -100
Memory Limit Exceeded

input:

1000000000000000000 100000
1 395661363384578735 526547442
1 843068846064211261 592970906
1 550209039512065247 448267721
1 79278526044993150 127180320
1 193676380880319036 927623947
1 81194098170536687 572121854
1 223947079896600029 804033011
2 921340893666246328 931651408754201635
1 3605022006540666...

output:

0
152171177084
261154456848
98759395571
132967101279
214003153997
109857765028
569583036989
221377921411
943235254745
1036051470108
1290577544766
795223506189
1251272020902
662604469794
907615793356
1786684858550
488655543368
1495388560030
1818589934911
151873013358
717984689394
2039336496945
378996...

result: