QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#780102 | #9104. Zayin and Forest | wallcrack | AC ✓ | 942ms | 43692kb | C++20 | 1.7kb | 2024-11-25 01:03:02 | 2024-11-25 01:03:02 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int M=1e5+10;
struct BIT
{
long long siz;
vector<long long> c;
BIT(long long n):siz(n),c(n+10){}
long long lowbit(long long x)
{
return x&(-x);
}
void add(long long x,long long v)
{
for(long long i=x;i<=siz;i+=lowbit(i))
c[i]+=v;
}
long long sum(long long l,long long r)
{
if(l>r)return 0;
long long sum=0;
for(long long i=r;i>=1;i-=lowbit(i))
sum+=c[i];
for(long long i=l-1;i>=1;i-=lowbit(i))
sum-=c[i];
return sum;
}
};
long long F(long long x)
{
int p=0;
while(!((x>>p)&1 and !((x>>p+1)&1)))p++;
long long res=(1ll<<p+1);
for(int i=p+2;i<63;i++)
if((x>>i)&1)res|=(1ll<<i);
return res;
}
struct Operation
{
int type;
long long x,v,l,r;
}op[M];
int main()
{
ios::sync_with_stdio(false);
long long n,m;
vector<long long> number={0,(long long)(1e18+1)};
cin>>n>>m;
for(int i=1;i<=m;i++)
{
cin>>op[i].type;
if(op[i].type==1)
{
cin>>op[i].x>>op[i].v;
long long x=op[i].x;
while(x<=n)
{
number.push_back(x);
x=F(x);
}
}
else cin>>op[i].l>>op[i].r;
}
sort(number.begin(),number.end());
number.resize(unique(number.begin(),number.end())-number.begin());
BIT seq(number.size());
auto getId=[&number](long long x)
{
return lower_bound(number.begin(),number.end(),x)-number.begin();
};
for(int i=1;i<=m;i++)
{
if(op[i].type==1)
{
long long x=op[i].x;
while(x<=n)
{
seq.add(getId(x),op[i].v);
x=F(x);
}
}
else
{
long long ql=*lower_bound(number.begin(),number.end(),op[i].l);
long long qr=*prev(upper_bound(number.begin(),number.end(),op[i].r));
cout<<seq.sum(getId(ql),getId(qr))<<endl;
}
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 76ms
memory: 6540kb
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: 817ms
memory: 43028kb
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: 942ms
memory: 43692kb
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