QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#575212 | #9104. Zayin and Forest | leafmaple# | AC ✓ | 366ms | 45996kb | C++20 | 1.4kb | 2024-09-19 11:18:00 | 2024-09-19 11:18:02 |
Judging History
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;
}
}
}
Details
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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