QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#575133 | #9104. Zayin and Forest | leafmaple# | TL | 119ms | 17264kb | C++20 | 822b | 2024-09-19 10:49:10 | 2024-09-19 10:49:12 |
Judging History
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
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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...