#include <bits/stdc++.h>
using namespace std;
typedef long double ld;
typedef long long ll;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<pair<int,int>> vpi;
#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define trav(a,x) for (auto& a: x)
#define pb push_back
#define rsz resize
#define sz(x) int(x.size())
#define all(x) begin(x), end(x)
#define fi first
#define se second
template <class T>
struct node
{
int lx,rx;
T val=0;
bool lazy=0;
node<T>*lefchi=nullptr,*rigchi=nullptr;
T comb(T a,T b){return a+b;}
void extend()
{
if(!lefchi && rx-lx!=1)
{
int md=(lx+rx)/2;
lefchi=new node<int>({lx,md});
rigchi=new node<int>({md,rx});
}
}
void push()
{
if(!lazy)return;
val=rx-lx;
lazy=0;
if(rx-lx==1)return;
extend();
lefchi->lazy = 1;
rigchi->lazy = 1;
}
T query(int lq,int rq)
{
if(lq>=rx || rq<=lx)return 0;
push();
if(lq<=lx && rq>=rx)return val;
extend();
T lef = lefchi->query(lq,rq);
T rig = rigchi->query(lq,rq);
return comb(lef,rig);
}
void update(int lq,int rq,T v)
{
if(lq>=rx || rq<=lx)return;
push();
extend();
if(lq<=lx && rq>=rx)
{
lazy=v;
push();
return;
}
lefchi->update(lq,rq,v);
rigchi->update(lq,rq,v);
val = comb(lefchi->val,rigchi->val);
}
};
int main()
{
ios_base::sync_with_stdio(0); cin.tie(0);
int m;
cin>>m;
int c=0;
node<int>seg({0,1<<30});
while(m--)
{
int d,x,y;
cin>>d>>x>>y;
if(d==1)
{
c=seg.query(c+x,c+y+1);
cout<<c<<'\n';
}
else
{
seg.update(c+x,c+y+1,1);
}
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
