QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#504602 | #9104. Zayin and Forest | blhxzjr# | RE | 68ms | 32460kb | C++20 | 1.6kb | 2024-08-04 14:01:51 | 2024-08-04 14:01:51 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define rep(i, a, n) for (int i = a; i <= n; i++)
#define pb push_back
#define fi first
#define se second
#define sz(x) x.size()
#define lowbit(x) (x & (-x))
#define all(x) x.begin(), x.end()
#define inf 0x3f3f3f3f3f3f3f3f
#define int long long
using ll = long long;
using PII = pair<int, int>;
constexpr int N = 1e5 + 10;
using LD = long double;
mt19937_64 rnd(chrono::duration_cast<chrono::nanoseconds>(chrono::system_clock::now().time_since_epoch()).count());
int a[N];
int n,m,k,_;
const int M=N*20;
int t[M],ls[M],rs[M];
int tot,root;
inline void up(int id){
t[id]=t[ls[id]]+t[rs[id]];
}
void modify(int &id,int l,int r,int x,int v){
if(!id) id=++tot;
if(l==r){
t[id]+=v; return;
}
int mid=l+r>>1;
if(x<=mid) modify(ls[id],l,mid,x,v);
else modify(rs[id],mid+1,r,x,v);
up(id);
}
int query(int id,int l,int r,int ql,int qr){
if(ql<=l&&r<=qr){
return t[id];
}
int mid=l+r>>1;
if(qr<=mid) return query(ls[id],l,mid,ql,qr);
else if(ql>mid) return query(rs[id],mid+1,r,ql,qr);
else return query(ls[id],l,mid,ql,qr)+query(rs[id],mid+1,r,ql,qr);
}
void solve(){
cin>>n>>m;
int op,l,r,v;
rep(i,1,m){
cin>>op>>l;
if(op==1){
cin>>v;
for(int j=l;j<=n;j+=lowbit(j)){
modify(root,-n,n,j,v);
}
}
else{
cin>>r;
cout<<query(root,-n,n,l,r)<<endl;
}
}
}
signed main()
{
ios::sync_with_stdio(false);
cin.tie(0);
_ = 1;
// cin >> _;
while (_--)
{
solve();
// clear();
if (_)
cout << '\n';
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 68ms
memory: 32460kb
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
Runtime Error
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...