QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#504647 | #9104. Zayin and Forest | learner__# | AC ✓ | 579ms | 104868kb | C++20 | 893b | 2024-08-04 14:26:32 | 2024-08-04 14:26:33 |
Judging History
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
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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