#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define fst first
#define snd second
#define pb push_back
#define forn(i,a,b) for(int i = a; i < b; i++)
#define ALL(x) x.begin(),x.end()
#define SZ(x) (int)x.size()
#define mset(a,v) memset((a),(v),sizeof(a))
#define FIN ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define dbg(v) cout<<"Line("<<__LINE__<<"): "<<#v<<" = "<<v<<'\n';
#define pi pair<int,int>
#define pll pair<ll,ll>
typedef long long ll;
using namespace std;
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> indexed_set;
typedef tree<int,null_type,less_equal<int>,rb_tree_tag,tree_order_statistics_node_update> indexed_multiset;
struct STree { // example: range sum with range addition
vector<int> st,lazy;int n;
STree(int n): st(4*n+5,0), lazy(4*n+5,0), n(n) {}
void push(int k, int s, int e){
if(!lazy[k])return; // if neutral, nothing to do
st[k]=(e-s)*lazy[k]; // update st according to lazy
if(s+1<e){ // propagate to children
lazy[2*k]=lazy[k];
lazy[2*k+1]=lazy[k];
}
lazy[k]=0; // clear node lazy
}
void upd(int k, int s, int e, int a, int b, int v){
push(k,s,e);
if(s>=b||e<=a)return;
if(s>=a&&e<=b){
lazy[k]=v; // accumulate lazy
push(k,s,e);return;
}
int m=(s+e)/2;
upd(2*k,s,m,a,b,v);upd(2*k+1,m,e,a,b,v);
st[k]=st[2*k]+st[2*k+1]; // operation
}
int query(int k, int s, int e, int a, int b){
if(s>=b||e<=a)return 0; // operation neutral
push(k,s,e);
if(s>=a&&e<=b)return st[k];
int m=(s+e)/2;
return query(2*k,s,m,a,b)+query(2*k+1,m,e,a,b); // operation
}
void upd(int a, int b, int v){upd(1,0,n,a,b,v);}
int query(int a, int b){return query(1,0,n,a,b);}
};
int main(){FIN;
ll m; cin>>m;
ll t,c,pC; c=0;
ll l,r;
STree stree(10000000+5);
while(m--){
cin>>t>>l>>r;
if(c+r+1>=10000000+2){
while(true){}
}
if(t==2){
stree.upd(c+l,c+r+1,1);
}else{
//cout<<"QUERY\n";
pC=stree.query(l+c,r+c+1);
cout<<pC<<'\n';
c=pC;
}
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
38 ms |
262144 KB |
Execution killed with signal 9 |
| 2 |
Halted |
0 ms |
0 KB |
- |
