# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
858530 | Requiem | Monkey and Apple-trees (IZhO12_apple) | C++17 | 331 ms | 262144 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
#define pb push_back
#define fast ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
#define fi first
#define se second
#define endl '\n'
#define TASKNAME "apple"
using namespace std;
struct SparseSegmentTree{
int sum,lazy,l,r,toleft,toright;
SparseSegmentTree(): sum(0), lazy(0), l(0), r(0), toleft(0), toright(0){}
SparseSegmentTree(int l,int r): sum(0), lazy(0), l(l), r(r), toleft(0), toright(0){}
};
int cnt = 0,mid;
vector<SparseSegmentTree> st;
void push(int node){
if (st[node].lazy==1){
mid = (st[node].l + st[node].r)>>1;
if (st[node].toleft == 0) {
st[node].toleft = st.size();
st.pb(SparseSegmentTree(st[node].l,mid));
}
if (st[node].toright == 0) {
st[node].toright = st.size();
st.pb(SparseSegmentTree(mid+1,st[node].r));
}
st[node].sum = st[node].r - st[node].l +1;
st[st[node].toleft].lazy = st[st[node].toright].lazy = 1;;
st[node].lazy = 0;
}
}
void upd(int node,int u,int v){
push(node);
if (st[node].l > v or st[node].r < u) return;
if (st[node].l >= u and st[node].r <=v) {
st[node].lazy = 1;
push(node);
return;
}
mid = (st[node].l + st[node].r)>>1;
if (st[node].toleft == 0) {
st[node].toleft=st.size();
st.pb(SparseSegmentTree(st[node].l,mid));
}
if (st[node].toright == 0) {
st[node].toright=st.size();
st.pb(SparseSegmentTree(mid+1,st[node].r));
}
upd(st[node].toleft,u,v);
upd(st[node].toright,u,v);
st[node].sum = st[st[node].toleft].sum + st[st[node].toright].sum;
}
int get(int node,int u,int v){
push(node);
if (st[node].l > v or st[node].r < u) return 0;
if (st[node].l >= u and st[node].r <=v) return st[node].sum;
mid = (st[node].l + st[node].r)>>1;
if (st[node].toleft == 0) {
st[node].toleft=st.size();
st.pb(SparseSegmentTree(st[node].l,mid));
}
if (st[node].toright == 0) {
st[node].toright=st.size();
st.pb(SparseSegmentTree(mid+1,st[node].r));
}
return get(st[node].toleft,u,v) + get(st[node].toright,u,v);
}
int n,type,x,y;
main()
{
fast;
///freopen(TASKNAME".inp","r",stdin);
///freopen(TASKNAME".out","w",stdout);
cin>>n;
int c = 0;
cnt = 1;
st.pb(SparseSegmentTree());
st.pb(SparseSegmentTree(1,1e9));
for(int i=1;i<=n;i++){
cin>>type>>x>>y;
if (type==1) {
c = get(1,x+c,y+c);
cout<<c<<endl;
}
else{
upd(1,x+c,y+c);
}
}
}
Compilation message (stderr)
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |