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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#575212#9104. Zayin and Forestleafmaple#AC ✓366ms45996kbC++201.4kb2024-09-19 11:18:002024-09-19 11:18:02

Judging History

你现在查看的是最新测评结果

  • [2024-09-19 11:18:02]
  • 评测
  • 测评结果:AC
  • 用时:366ms
  • 内存:45996kb
  • [2024-09-19 11:18:00]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long  
#define lowbit(x) (x&(-x))
int len ;
int tr[7000000+10];

#define endl '\n'
void insert(int pos,int val)
{
	while(pos <= len)
	{
		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);
}
const int N = 1e5+10;

struct query{
	int op,x,v,l,r;
}Q[N];

signed main (){
	std::ios::sync_with_stdio(false);  
	cin.tie(NULL); 
	cout.tie(NULL);
	int n,m;
	cin>>n>>m;
	vector<int> v;
	for(int i=1;i<=m;i++)
	{	
	
		cin>>Q[i].op;
		if(Q[i].op == 1)
		{	
			cin>>Q[i].x>>Q[i].v;
			int x = Q[i].x;
			while(x <= n)
			{
				v.push_back(x);
				x += lowbit(x);
			}
		}
		else 
		{
			
			cin>>Q[i].l>>Q[i].r;
			v.push_back(Q[i].l);
			v.push_back(Q[i].r);
			
		}
	}
	v.push_back(0);
	sort(v.begin(),v.end());
	v.erase(unique(v.begin(),v.end()),v.end());
	len = v.size() - 1;
	for(int i=1;i<=m;i++)
	{
		if(Q[i].op == 1)
		{	
			int x = Q[i].x;
			while(x <= n)
			{
			int y = lower_bound(v.begin(),v.end(),x) - v.begin();
			insert(y,Q[i].v);
			x += lowbit(x);
			
			}
		}
		else 
		{
			int l =lower_bound(v.begin(),v.end(),Q[i].l) - v.begin();
			int r = lower_bound(v.begin(),v.end(),Q[i].r) - v.begin();
			cout<<query(l,r)<<endl;
			
		}
	}
	
} 

详细

Test #1:

score: 100
Accepted
time: 27ms
memory: 8852kb

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: 323ms
memory: 45996kb

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: 0
Accepted
time: 366ms
memory: 44824kb

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:

ok 12561 lines