#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
struct Node{
ll sum;
int l,r,ptr,ptrl,ptrr;
};
struct SegTree{
int size;
vector<Node> vals;
vector<ll> lazy;
ll null=0;
void oper(int x){
vals[x].sum=vals[vals[x].ptrl].sum+vals[vals[x].ptrr].sum;
}
void extends(int x){
int m=vals[x].l+(vals[x].r-vals[x].l)/2;
if(vals[x].ptrl==-1){
vals[x].ptrl=vals.size();
vals.push_back({0,vals[x].l,m,vals[x].ptrl,-1,-1});
lazy.push_back(0);
}
if(vals[x].ptrr==-1){
vals[x].ptrr=vals.size();
vals.push_back({0,m,vals[x].r,vals[x].ptrr,-1,-1});
lazy.push_back(0);
}
}
void build(int n){
size=n;
vals.push_back({0,1,n+1,0,-1,-1});
lazy.push_back(0);
}
void propagate(int x){
if(vals[x].r-vals[x].l==1)return;
if(lazy[x]==0)return;
extends(x);
int m=vals[x].l+(vals[x].r-vals[x].l)/2;
lazy[vals[x].ptrl]|=lazy[x];
lazy[vals[x].ptrr]|=lazy[x];
vals[vals[x].ptrl].sum=(m-vals[x].l);
vals[vals[x].ptrr].sum=(vals[x].r-m);
lazy[x]=0;
}
void upd(int l, int r, ll v,int x){
propagate(x);
int lx=vals[x].l, rx=vals[x].r;
if(lx>=r || l>=rx)return;
if(lx>=l && rx<=r){
lazy[x]=1;
vals[x].sum=(rx-lx);
return;
}
int m=(lx+rx)/2;
extends(x);
upd(l,r,v,vals[x].ptrl);
upd(l,r,v,vals[x].ptrr);
oper(x);
}
ll get(int l, int r, int x){
propagate(x);
int lx=vals[x].l, rx=vals[x].r;
if(lx>=r || l>=rx)return null;
if(lx>=l && rx<=r)return vals[x].sum;
extends(x);
ll v1=get(l,r,vals[x].ptrl);
ll v2=get(l,r,vals[x].ptrr);
return v1+v2;
}
void upd(int l, int r, ll v){upd(l,r+1,v,0);}
ll get(int l, int r){return get(l,r+1,0);}
};
int main(){
ios::sync_with_stdio(false);cin.tie(nullptr);
int q;
cin>>q;
SegTree st;
st.build(1e7);
int t,l,r;
ll c=0;
while(q--){
cin>>t>>l>>r;
if(t==1){
c=st.get(c+l,c+r);
cout<<c<<"\n";
}else{
st.upd(c+l,c+r,1);
}
}
return 0;
}
Compilation message
apple.cpp: In member function 'void SegTree::upd(int, int, ll, int)':
apple.cpp:61:7: warning: unused variable 'm' [-Wunused-variable]
61 | int m=(lx+rx)/2;
| ^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
17 ms |
10860 KB |
Output is correct |
5 |
Correct |
25 ms |
11012 KB |
Output is correct |
6 |
Correct |
20 ms |
10764 KB |
Output is correct |
7 |
Correct |
19 ms |
10824 KB |
Output is correct |
8 |
Correct |
160 ms |
83056 KB |
Output is correct |
9 |
Correct |
352 ms |
166260 KB |
Output is correct |
10 |
Correct |
355 ms |
165948 KB |
Output is correct |
11 |
Correct |
354 ms |
165756 KB |
Output is correct |
12 |
Correct |
363 ms |
165720 KB |
Output is correct |
13 |
Incorrect |
30 ms |
5636 KB |
Output isn't correct |
14 |
Halted |
0 ms |
0 KB |
- |