# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
797011 | normankr07 | 원숭이와 사과 나무 (IZhO12_apple) | C++17 | 275 ms | 133964 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>
using namespace std;
using ll = long long;
int q;
template <typename T = int>
struct DynamicST
{
struct TNode;
using PNode = TNode *;
struct TNode
{
T val, lazy;
PNode l, r;
TNode() : l(NULL), r(NULL), val(0), lazy(0) {}
};
PNode root;
DynamicST()
{
root = new TNode();
}
void downtree(PNode v, int tl, int tr)
{
if (v->lazy == 0)
return;
if (v->l == NULL)
v->l = new TNode();
if (v->r == NULL)
v->r = new TNode();
int tm = (tl + tr) >> 1;
v->l->lazy = v->lazy;
v->l->val = v->lazy * (tm - tl + 1);
v->r->lazy = v->lazy;
v->r->val = v->lazy * (tr - tm);
}
T query(PNode v, int tl, int tr, int l, int r)
{
if (tl > r || tr < l)
return 0;
if (l <= tl && tr <= r)
return v->val;
if (v->l == NULL)
v->l = new TNode();
if (v->r == NULL)
v->r = new TNode();
downtree(v, tl, tr);
int tm = (tl + tr) >> 1;
return query(v->l, tl, tm, l, r) + query(v->r, tm + 1, tr, l, r);
}
void update(PNode v, int tl, int tr, int l, int r, int add)
{
if (tl > r || tr < l)
return;
if (l <= tl && tr <= r)
{
// Assign query
v->val = add * (tr - tl + 1);
v->lazy = add;
return;
}
if (v->l == NULL)
v->l = new TNode();
if (v->r == NULL)
v->r = new TNode();
downtree(v, tl, tr);
int tm = (tl + tr) >> 1;
update(v->l, tl, tm, l, r, add);
update(v->r, tm + 1, tr, l, r, add);
v->val = v->l->val + v->r->val;
}
T query(int l, int r)
{
return query(root, 1, std::numeric_limits<T>::max() - 1, l, r);
}
void update(int l, int r, T val)
{
update(root, 1, std::numeric_limits<T>::max() - 1, l, r, val);
}
};
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0), cout.tie(0);
// freopen("task.inp", "r", stdin);
// freopen("task.out", "w", stdout);
cin >> q;
int pre = 0;
DynamicST<> f;
while (q--)
{
int type, u, v;
cin >> type >> u >> v;
u += pre, v += pre;
if (type == 1)
{
pre = f.query(u, v);
cout << pre << '\n';
}
else
f.update(u, v, 1);
}
}
Compilation message (stderr)
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