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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#674109 | #9104. Zayin and Forest | ucup-team5071# | TL | 60ms | 25052kb | C++20 | 1.1kb | 2024-10-25 13:58:51 | 2024-10-25 13:58:51 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int maxn=2e6+10;
ll n;
int cnt,root;
ll sum[maxn*20];
int ls[maxn*20],rs[maxn*20];
void update(int &p,ll L,ll R,ll x,int f){
if(!p)p=++cnt;
if(L==R){
sum[p]+=f;
return;
}
ll m=L+((R-L)>>1);
if(x<=m)
update(ls[p],L,m,x,f);
else
update(rs[p],m+1,R,x,f);
sum[p]=sum[ls[p]]+sum[rs[p]];
}
ll query(int p,ll L,ll R,ll l,ll r){
if(!p)return 0;
if(L>=l&&R<=r)return sum[p];
ll m=L+((R-L)>>1),ans=0;
if(l<=m)ans+=query(ls[p],L,m,l,r);
if(r>m) ans+=query(rs[p],m+1,R,l,r);
return ans;
}
void Solve(){
int m;
cin>>n>>m;
auto lowbit=[&](ll x)->ll{
return x&(-x);
};
root=++cnt;
while(m--){
int op;
ll x,y;
cin>>op>>x>>y;
if(op==1){
for(;x<=n;x+=lowbit(x))
update(root,1,n,x,y);
}
else {
cout<<query(root,1,n,x,y)<<"\n";
}
}
}
signed main(){
ios::sync_with_stdio(false),cin.tie(0);
Solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 60ms
memory: 25052kb
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...