#include<bits/stdc++.h>
#include <ostream>
using namespace std;
#define int long long
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define sz(x) (int)(x.size())
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
#define vi vector<int>
#define vp vector<pii>
#define vvi vector<vi>
#define ykh mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count())
#define __lg(x) 63-__builtin_clzll(x)
#define pow2(x) (1LL<<x)
void __print(int x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifdef local
void setio(){freopen("/Users/iantsai/Library/Mobile Documents/com~apple~CloudDocs/cpp/Empty.md","r",stdin);}
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
void setio(){}
#define debug(x...)
#endif
void setIO(string s) {
freopen((s + ".in").c_str(), "r", stdin);
freopen((s + ".out").c_str(), "w", stdout);
}
struct line{
int a,b;
int operator()(const int x)const{
return a*x+b;
}
};
bool check(line l1,line l2,line l3){
return (l3.b-l2.b)*(l1.a-l2.a)<=(l2.b-l1.b)*(l2.a-l3.a);
}
struct node{
int ty,l,r,k;
node(int ty=0,int l=0,int r=0,int k=0):ty(ty),l(l),r(r),k(k){}
};
const int mxn=3e5+5;
node seg[2][4*mxn];
node merge(node a,node b){
//ty=0 代表該道路可在l~r之間使用，ty=1代表該區間起點在l,終點在r。
node res=node();
if(a.ty==0 and b.ty==0){
if(max(a.l,b.l)<=min(a.r,b.r)){
res=node(0,max(a.l,b.l),min(a.r,b.r),0);
}
else if(a.r<b.r){
res=node(1,a.r,b.l,0);
}
else{
res=node(1,a.l,b.r,max(0LL,a.l-b.r));
}
}
else if(a.ty==0){
res=node(1,max(a.l,min(a.r,b.l)),b.r,max(0LL,a.l-b.l));
}
else if(b.ty==0){
res=node(1,a.l,max(b.l,min(a.r,b.r)),max(a.r-b.r,0LL));
}
else{
res=node(1,a.l,b.r,max(0LL,a.r-b.l));
}
res.k+=a.k+b.k;
return res;
}
void modify(bool f,int l,int r,int id,int p,node v){
if(l==r){
seg[f][id]=v;
return ;
}
int mm=l+r>>1;
if(p<=mm){
modify(f,l,mm,id*2,p,v);
}
else{
modify(f,mm+1,r,id*2+1,p,v);
}
if(!f)seg[f][id]=merge(seg[f][id*2],seg[f][id*2+1]);
else seg[f][id]=merge(seg[f][id*2+1],seg[f][id*2]);
}
node query(bool f,int l,int r,int id,int ql,int qr){
if(ql<=l and r<=qr){
return seg[f][id];
}
int mm=l+r>>1;
if(qr<=mm){
return query(f,l,mm,id*2,ql,qr);
}
else if(ql>mm){
return query(f,mm+1,r,id*2+1,ql,qr);
}
else{
if(!f)return merge(query(f,l,mm,id*2,ql,mm),query(f,mm+1,r,id*2+1,mm+1,qr));
else return merge(query(f,mm+1,r,id*2+1,mm+1,qr),query(f,l,mm,id*2,ql,mm));
}
}
void operator<<(ostream&os,node a){
cout<<a.ty<<','<<a.l<<','<<a.r<<','<<a.k<<' ';
}
signed main(){
setio();
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
int n,q;
cin>>n>>q;
for(int i=1;i<n;i++){
int l,r;
cin>>l>>r;
r--;
node x=node(0,l-i,r-i,0);
modify(0,1,n-1,1,i,x);
x=node(0,l+i,r+i,0);
modify(1,1,n-1,1,i,x);
}
while(q--){
int t;
cin>>t;
if(t==1){
int p,l,r;
cin>>p>>l>>r;
r--;
node x=node(0,l-p,r-p,0);
modify(0,1,n-1,1,p,x);
x=node(0,l+p,r+p,0);
modify(1,1,n-1,1,p,x);
}
else{
int a,b,c,d;
cin>>a>>b>>c>>d;
if(a==c){
cout<<max(b-d,0LL)<<'\n';
continue;
}
if(a<c){
b-=a;
d-=c;
cout<<merge(merge(node(0,b,b,0),query(0,1,n-1,1,a,c-1)),node(0,d-1,d-1,0)).k<<'\n';
}
else{
b+=a;
d+=c;
cout<<merge(merge(node(0,b-1,b-1,0),query(1,1,n-1,1,c,a-1)),node(0,d-1,d-1,0)).k<<'\n';
//a--;
//b+=a;
//d+=c-1;
}
}
}
}
/*
input:
[ { ] }
{ [ } ]
[ ] { }
{ } [ ]
[ { } ]
{ [ ] }
*/
Compilation message
timeleap.cpp: In function 'void modify(bool, long long int, long long int, long long int, long long int, node)':
timeleap.cpp:92:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
92 | int mm=l+r>>1;
| ~^~
timeleap.cpp: In function 'node query(bool, long long int, long long int, long long int, long long int, long long int)':
timeleap.cpp:106:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
106 | int mm=l+r>>1;
| ~^~
timeleap.cpp: In function 'void setIO(std::string)':
timeleap.cpp:43:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
43 | freopen((s + ".in").c_str(), "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
timeleap.cpp:44:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
44 | freopen((s + ".out").c_str(), "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
26 ms |
75348 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
523 ms |
91836 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
26 ms |
75348 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
