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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
#504451#9104. Zayin and ForestPhantomThreshold#AC ✓718ms160868kbC++20591b2024-08-04 13:12:462024-08-04 13:12:46

Judging History

你现在查看的是最新测评结果

  • [2024-08-04 13:12:46]
  • 评测
  • 测评结果:AC
  • 用时:718ms
  • 内存:160868kb
  • [2024-08-04 13:12:46]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

ll n,Q;
map<ll,ll> tr;

inline ll lowbit(ll x){
	return (x)&(-x);	
}
void add(ll x,ll v){
	ll sum=0;
	for (ll i=x;i<=n;i+=lowbit(i)){
		sum+=v;
		tr[i]+=sum;
	}
}
ll query(ll x){
	ll ans=0;
	for (ll i=x;i>=1;i-=lowbit(i)) ans+=tr[i];
	return ans;	
}

int main(){
	ios_base::sync_with_stdio(false);
	cin >> n >> Q;
	for (;Q--;){
		ll opt,x,y;
		cin >> opt >> x >> y;
		if (opt==1){
			add(x,y);
		}
		else{
			ll ans=query(y)-query(x-1);
			cout << ans << "\n";	
		}
	}
	return 0;	
}

详细

Test #1:

score: 100
Accepted
time: 65ms
memory: 17300kb

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: 422ms
memory: 66692kb

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: 718ms
memory: 160868kb

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