//#include<i_am_noob_orz>
#include<bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;
#define ll long long
#define int ll
#define ull unsigned long long
#define pii pair<int,int>
#define X first
#define Y second
#define mod ((ll)1e9+7)
#define pb push_back
#define mp make_pair
#define abs(x) ((x)>0?(x):(-(x)))
#define F(n) Fi(i,n)
#define Fi(i,n) Fl(i,0,n)
#define Fl(i,l,n) for(int i=l;i<n;i++)
#define memres(a) memset(a,0,sizeof(a))
#define all(a) a.begin(),a.end()
#define sz(a) ((int)a.size())
#define ceiling(a,b) (((a)+(b)-1)/(b))
#define endl '\n'
#define bit_count(x) __builtin_popcountll((x))
#define ykh mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define jimmy_is_kind false
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> rbtree;
//#define LOCAL
#ifdef LOCAL
#define bug(...) cerr<<"#"<<__LINE__<<' '<<#__VA_ARGS__<<"- ", _do(__VA_ARGS__)
template<typename T> void _do(T && x) {cerr<<x<<endl;}
template<typename T, typename ...S> void _do(T && x, S&&...y) {cerr<<x<<", "; _do(y...);}
#define IOS()
#else
#define IOS() ios_base::sync_with_stdio(0), cin.tie(0)
#define endl '\n'
#define bug(...)
#endif
int add(int a,int b){return(a+b>=mod?a+b-mod:a+b);}
int sub(int a,int b){return(a<b?a+mod-b:a-b);}
int po(int a,int b){
if(b==0)return 1;
if(b==1)return(a%mod);
int tem=po(a,b/2);
if(b&1)return(((tem*tem)%mod)*a)%mod;
else return(tem*tem)%mod;
}
int GCD(int a,int b){
int x=0;
int ra,rb;
while(a&&b){
if(((a&1)==0)&&((b&1)==0)){
a>>=1,b>>=1,x++;
}
else if((a^b)&1){
if(a&1)b>>=1;
else a>>=1;
}
else{
ra=abs(a-b),rb=min(a,b);
a=ra,b=rb;
}
}
return max(a,b)<<x;
}
int gcd(int a,int b){if(b==0)return a;return gcd(b,a%b);}
int n,q;
pii ar[300010];
struct NODE{
int bl,br,tl,tr,vl,vr;
}seg[1200010][2];
pii get_new(int al,int ar,int bl,int br){
if(bl>=ar){
return{ar-1,ar};
}
else if(br<=bl){
return{al,al+1};
}
else return{max(al,bl),min(ar,br)};
}
void pull(int p,int l,int mi,int r){
pii npi=get_new(seg[p*2][0].bl,seg[p*2][0].br,seg[p*2+1][0].bl-(mi+1-l),seg[p*2+1][0].br-(mi+1-l));
pii npi1,npi2={0,0};
if(npi.X>seg[p*2][0].bl)npi1.X=npi.X+(mi+1-l);
else npi1.X=seg[p*2][0].tl,npi2.X+=(seg[p*2][0].vl);
if(npi.Y<seg[p*2][0].br)npi1.Y=npi.Y+(mi+1-l);
else npi1.Y=seg[p*2][0].tr,npi2.Y+=seg[p*2][0].vr;
if(npi1.X<=seg[p*2+1][0].bl)npi1.X=seg[p*2+1][0].tl,npi2.X+=seg[p*2+1][0].vl;
else if(npi1.X>=seg[p*2+1][0].br)npi2.X+=(npi1.X-seg[p*2+1][0].br+seg[p*2+1][0].vr),npi1.X=seg[p*2+1][0].tr;
else npi1.X+=(r-mi);
if(npi1.Y<=seg[p*2+1][0].bl)npi1.Y=seg[p*2+1][0].tl,npi2.Y+=seg[p*2+1][0].vl;
else if(npi1.Y>=seg[p*2+1][0].br)npi2.Y+=(npi1.Y-seg[p*2+1][0].br+seg[p*2+1][0].vr),npi1.Y=seg[p*2+1][0].tr;
else npi1.Y+=(r-mi);
seg[p][0].bl=npi.X,seg[p][0].br=npi.Y;
seg[p][0].tl=npi1.X,seg[p][0].tr=npi1.Y;
seg[p][0].vl=npi2.X,seg[p][0].vr=npi2.Y;
//
npi=get_new(seg[p*2+1][1].bl,seg[p*2+1][1].br,seg[p*2][1].bl-(r-mi),seg[p*2][1].br-(r-mi));
npi2={0,0};
if(npi.X>seg[p*2+1][1].bl)npi1.X=npi.X+(r-mi);
else npi1.X=seg[p*2+1][1].tl,npi2.X+=(seg[p*2+1][1].vl);
if(npi.Y<seg[p*2+1][1].br)npi1.Y=npi.Y+(r-mi);
else npi1.Y=seg[p*2+1][1].tr,npi2.Y+=seg[p*2+1][1].vr;
if(npi1.X<=seg[p*2][1].bl)npi1.X=seg[p*2][1].tl,npi2.X+=seg[p*2][1].vl;
else if(npi1.X>=seg[p*2][1].br)npi2.X+=(npi1.X-seg[p*2][1].br+seg[p*2][1].vr),npi1.X=seg[p*2][1].tr;
else npi1.X+=(mi+1-l);
if(npi1.Y<=seg[p*2][1].bl)npi1.Y=seg[p*2][1].tl,npi2.Y+=seg[p*2][1].vl;
else if(npi1.Y>=seg[p*2][1].br)npi2.Y+=(npi1.Y-seg[p*2][1].br+seg[p*2][1].vr),npi1.Y=seg[p*2][1].tr;
else npi1.Y+=(mi+1-l);
seg[p][1].bl=npi.X,seg[p][1].br=npi.Y;
seg[p][1].tl=npi1.X,seg[p][1].tr=npi1.Y;
seg[p][1].vl=npi2.X,seg[p][1].vr=npi2.Y;
}
void build(int p,int l,int r){
if(l==r){
seg[p][0].bl=seg[p][1].bl=ar[l].X-1;
seg[p][0].br=seg[p][1].br=ar[l].Y+1;
seg[p][0].tl=seg[p][1].tl=ar[l].X+1;
seg[p][0].tr=seg[p][1].tr=ar[l].Y+1;
seg[p][0].vl=seg[p][1].vl=0;
seg[p][0].vr=seg[p][1].vr=1;
return;
}
int mi=(l+r)/2;
build(p*2,l,mi);
build(p*2+1,mi+1,r);
pull(p,l,mi,r);
}
void modify(int p,int l,int r,int x){
if(l==r){
seg[p][0].bl=seg[p][1].bl=ar[l].X-1;
seg[p][0].br=seg[p][1].br=ar[l].Y+1;
seg[p][0].tl=seg[p][1].tl=ar[l].X+1;
seg[p][0].tr=seg[p][1].tr=ar[l].Y+1;
return;
}
int mi=(l+r)/2;
if(mi>=x)modify(p*2,l,mi,x);
else modify(p*2+1,mi+1,r,x);
pull(p,l,mi,r);
}
pii query(int p,int l,int r,int ql,int qr,int x,int ty){
if(l>=ql&&r<=qr){
if(ty==0){
int tp,tv=0;
if(x<=seg[p][0].bl)tp=seg[p][0].tl,tv+=seg[p][0].vl;
else if(x>=seg[p][0].br)tv+=(x-seg[p][0].br+seg[p][0].vr),tp=seg[p][0].tr;
else tp=x+(r+1-l);
return{tp,tv};
}
else{
int tp,tv=0;
if(x<=seg[p][1].bl)tp=seg[p][1].tl,tv+=seg[p][1].vl;
else if(x>=seg[p][1].br)tv+=(x-seg[p][1].br+seg[p][1].vr),tp=seg[p][1].tr;
else tp=x+(r+1-l);
return{tp,tv};
}
}
int mi=(l+r)/2;
if(ty==0){
int nx=x,tv=0;
if(mi>=ql){
pii tpi=query(p*2,l,mi,ql,qr,nx,ty);
tv+=tpi.Y;
nx=tpi.X;
}
if(mi+1<=qr){
pii tpi=query(p*2+1,mi+1,r,ql,qr,nx,ty);
tv+=tpi.Y;
nx=tpi.X;
}
return{nx,tv};
}
else{
int nx=x,tv=0;
if(mi+1<=qr){
pii tpi=query(p*2+1,mi+1,r,ql,qr,nx,ty);
tv+=tpi.Y;
nx=tpi.X;
}
if(mi>=ql){
pii tpi=query(p*2,l,mi,ql,qr,nx,ty);
tv+=tpi.Y;
nx=tpi.X;
}
return{nx,tv};
}
}
signed main(){
IOS();
cin>>n>>q;
F(n-1)cin>>ar[i].X>>ar[i].Y,ar[i].Y--;
build(1,0,n-2);
//bug(seg[2][0].bl,seg[2][0].br);
F(q){
int ty;
cin>>ty;
if(ty==1){
int x,y,z;
cin>>x>>y>>z;
--x,--z;
ar[x]={y,z};
modify(1,0,n-2,x);
}
else{
int x,y,z,w;
cin>>x>>y>>z>>w;
--x,--z;
if(x==z){
cout<<max(0ll,y-w)<<endl;
continue;
}
if(x<z){
pii tpi=query(1,0,n-2,x,z-1,y,0);
//bug(tpi.X,tpi.Y);
if(w<tpi.X)tpi.Y+=(tpi.X-w);
cout<<tpi.Y<<endl;
}
else{
pii tpi=query(1,0,n-2,z,x-1,y,1);
//bug(tpi.X,tpi.Y);
if(w<tpi.X)tpi.Y+=(tpi.X-w);
cout<<tpi.Y<<endl;
}
}
}
return 0;
}
/*
3 1
0 5
0 1
2 1 3 3 3
*/
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
324 KB |
Output is correct |
| 3 |
Correct |
1 ms |
332 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
332 KB |
Output is correct |
| 8 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 9 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
659 ms |
106284 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
324 KB |
Output is correct |
| 3 |
Correct |
1 ms |
332 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
332 KB |
Output is correct |
| 8 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 9 |
Halted |
0 ms |
0 KB |
- |
