QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#504647#9104. Zayin and Forestlearner__#AC ✓579ms104868kbC++20893b2024-08-04 14:26:322024-08-04 14:26:33

Judging History

你现在查看的是最新测评结果

  • [2024-08-04 14:26:33]
  • 评测
  • 测评结果:AC
  • 用时:579ms
  • 内存:104868kb
  • [2024-08-04 14:26:32]
  • 提交

answer

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

#define int long long
const int N = 1e5 + 10;

int n, m;
unordered_map<int, int> b;

int lowbit(int x){
    return x & -x;
}
void add(int x, int y){
    int val = y;
    while(x <= n)
    {
        b[x] += val;
        x += lowbit(x);
        val += y;
    }
}
int get(int x){
    int ans = 0;
    while(x){
        ans += b[x];
        x -= lowbit(x);
    }
    return ans;
}
int query(int l, int r){
    return get(r) - get(l - 1);
}

void solve()
{
    cin >> n >> m;
    for(int i = 1; i <= m; i++)
    {
        int op, x, y;
        cin >> op >> x >> y;

        if(op == 1) add(x, y);
        else cout << query(x, y) << '\n';
    }
}

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);cout.tie(0);

    int t = 1;
    // cin >> t;
    while(t--) solve();
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 18ms
memory: 12884kb

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: 177ms
memory: 46084kb

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: 579ms
memory: 104868kb

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