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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#780072 | #9104. Zayin and Forest | wallcrack | TL | 129ms | 17196kb | C++20 | 1.0kb | 2024-11-25 00:33:13 | 2024-11-25 00:33:13 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
struct BIT
{
long long siz;
map<long long,long long>c;
BIT(long long n):siz(n){}
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)
{
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;
}
int main()
{
ios::sync_with_stdio(false);
long long n,m;
cin>>n>>m;
BIT seq(n);
for(int i=1;i<=m;i++)
{
int op;
cin>>op;
if(op==1)
{
long long x,v;
cin>>x>>v;
while(x<=n)
{
seq.add(x,v);
x=F(x);
}
}
else
{
long long l,r;
cin>>l>>r;
cout<<seq.sum(l,r)<<"\n";
}
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 129ms
memory: 17196kb
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...