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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#776390 | #9104. Zayin and Forest | wallcrack | RE | 0ms | 0kb | C++20 | 1.4kb | 2024-11-23 18:27:52 | 2024-11-23 18:27:53 |
answer
#include<bits/stdc++.h>
using namespace std;
const long long N=1e18+10,M=1e5+10;
long long n,m;
struct info{
int l,r;
long long val;
}tr[M*165];
long long F(long long x)
{
int p=0;
while(!((1ll<<p)&x and !(((1ll<<(p+1))&x))))p++;
long long res=(1ll<<(p+1));
for(int i=p+2;i<63;i++)
if(x&(1ll<<i))res|=(1ll<<i);
return res;
}
int ptr=0;
void update(int &rt,long long l,long long r,long long p,int v)
{
if(!rt)
{
rt=++ptr;
assert(rt==M*160);
}
if(l==r)
{
tr[rt].val+=v;
return;
}
long long mid=l+r>>1;
tr[rt].val+=v;
if(p>=mid+1)
{
update(tr[rt].r,mid+1,r,p,v);
}
else {
update(tr[rt].l,l,mid,p,v);
}
}
long long query(int &rt,long long l,long long r,long long L,long long R)
{
if(r<L||l>R)
return 0;
if(!rt)
{
rt=++ptr;
assert(rt==M*160);
}
if(l<=L&&R<=r)
{
return tr[rt].val;
}
long long ans=0;
long long mid=L+R>>1;
if(tr[rt].l)
{
ans+=query(tr[rt].l,l,r,L,mid);
}
if(tr[rt].r)
{
ans+=query(tr[rt].r,l,r,mid+1,R);
}
return ans;
}
signed main()
{
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin>>n>>m;
int rt=0;
for(int i=1;i<=m;i++)
{
int op;
cin>>op;
if(op==1)
{
long long x,v;
cin>>x>>v;
while(x<=n)
{
update(rt,1,n,x,v);
x=F(x);
}
}
else
{
long long l,r;
cin>>l>>r;
cout<<query(rt,l,r,1,n)<<"\n";
}
}
return 0;
}
Details
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Test #1:
score: 0
Runtime Error
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...