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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#575133#9104. Zayin and Forestleafmaple#TL 119ms17264kbC++20822b2024-09-19 10:49:102024-09-19 10:49:12

Judging History

你现在查看的是最新测评结果

  • [2024-09-19 10:49:12]
  • 评测
  • 测评结果:TL
  • 用时:119ms
  • 内存:17264kb
  • [2024-09-19 10:49:10]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long  
#define lowbit(x) (x&(-x))
map<int,int> tr;
int n;
#define endl '\n'
void insert(int pos,int val)
{
	while(pos <= n)
	{
		tr[pos] += val;
		pos += lowbit(pos);
	}
}
int query(int x)
{
	int res = 0;
	while(x)
	{
		res += tr[x];
		x -= lowbit(x);
	}
	return res;
}
int query(int l,int r)
{
	return query(r) - query(l-1);
}

signed main (){
	std::ios::sync_with_stdio(false);  
	cin.tie(NULL); 
	cout.tie(NULL);
	int m;
	cin>>n>>m;
	vector<int> v;
	for(int i=1;i<=m;i++)
	{	int op;
	
		cin>>op;
		if(op == 1)
		{	int x,v;
			cin>>x>>v;
			
		
			while(x <= n)
			{
				insert(x,v);
				x += lowbit(x);
			}
		}
		else 
		{
			int l,r;
			
			cin>>l>>r;
			cout<<query(l,r)<<endl;
			
		}
	}
} 

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 119ms
memory: 17264kb

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: -100
Time Limit Exceeded

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: