#include<bits/stdc++.h>
using namespace std;
int C, M;
const int MAXN = 1e9;
struct Node{
int val, lazy_set, l, r;
Node(int val, int lazy_set):val(val),lazy_set(lazy_set),l(-1),r(-1){};
Node():val(0),lazy_set(0),l(0),r(0){};
};
struct Seg{
vector<Node> V;
Seg(){
V.emplace_back(0, 0);
}
void push_down(int s, int e, int v){
int m = (s+e)>>1;
if(V[v].l == -1){
V[v].l = V.size();
V.emplace_back();
}
if(V[v].r == -1){
V[v].r = V.size();
V.emplace_back();
}
if(V[v].lazy_set){
V[V[v].l].val = V[v].lazy_set * (m-s+1);
V[V[v].l].lazy_set = V[v].lazy_set;
V[V[v].r].val = V[v].lazy_set * (e-m);
V[V[v].r].lazy_set = V[v].lazy_set;
V[v].lazy_set = 0;
}
}
void update(int s, int e, int l, int r, int v, int val){
if(e<l || r<s){
return;
}
if(l<=s && e<=r){
V[v].val = val * (e-s+1);
V[v].lazy_set = val;
return;
}
push_down(s, e, v);
int m = (s+e)>>1;
update(s, m, l, r, V[v].l, val);
update(m+1, e, l, r, V[v].r, val);
V[v].val = V[V[v].l].val + V[V[v].r].val;
}
int sum(int s, int e, int l, int r, int v){
if(e<l || r<s){
return 0;
}
if(l<=s && e<=r){
return V[v].val;
}
push_down(s, e, v);
int m = (s+e)>>1;
return sum(s, m, l, r, V[v].l) + sum(m+1, e, l, r, V[v].r);
}
}S;
int main(){
ios_base::sync_with_stdio(0);cin.tie(0);
cin>>M;
for(int i=0,t,x,y ; i<M ; i++){
cin>>t;
if(t==1){
cin>>x>>y;
C = S.sum(1, MAXN, x+C, y+C, 0);
cout<<C<<"\n";
}
else if(t==2){
cin>>x>>y;
S.update(1, MAXN, x+C, y+C, 0, 1);
}
}
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
