oj.uz

Submission #201622

# Submission time Handle Problem Language Result Execution time Memory
201622 2020-02-11T12:46:31 Z red1108 Bitaro, who Leaps through Time (JOI19_timeleap) C++17
0 / 100
 721 ms 524292 KB 
#include<bits/stdc++.h>
#include<ext/rope>
using namespace std;
using namespace __gnu_cxx;
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false);cin.tie(0)
#define fopen freopen("input.txt", "r", stdin)
#define eb emplace_back
#define em emplace
#define prec(a) cout<<fixed;cout.precision(a);
#define all(a) (a).begin(), (a).end()
typedef long long ll;typedef long double ld;typedef unsigned long long ul;typedef unsigned int ui;typedef pair<int,int> pii;typedef pair<ll,ll> pll;
typedef tuple<int,int,int> tiii;
const ll INF = 2e18;
const int inf = 2e9;
template<class T>
void pr(T t) {cerr << t << " ";}
template<class T, class ...Args>
void pr(T a, Args ...args) {cerr << a << " ";pr(args...);}
template<class ...Args>
void prl(Args ...args) {pr(args...);cerr << endl;}

int n,q,in[300010][2];
struct Node{
	ll b,x,ls,le,rs,re,si=0;
	Node(){};
	Node(ll bb,ll xx,ll i,ll j,ll k,ll l){b=bb;x=xx;ls=i;le=j;rs=k;re=l;si=0;}
	Node operator +(Node B){
		B.x--;B.ls--;B.le--;
		Node p = Node(b,x,ls,le,rs,re);
		if(p.re>B.x&&B.x>=p.rs) p.x-=(p.re-B.x);
		else if(p.rs>B.x){
			//prl("in case of", ls,le,rs,re);
			if(p.rs!=p.re) p.x = p.rs - si;
			p.b+=(p.rs-B.x);
		}
		p.b+=B.b;
		p.si = si + B.si + 1;
		if(B.re==B.rs){
			p.rs=B.rs;
			p.re=B.re;
			return p;
		}
		ll t = B.re-B.rs, ss = B.rs-B.si-1, ee = B.re-B.si-1;
		if(p.rs<=ss) p.rs=B.rs;
		else if(p.rs>=ee) p.rs=B.re;
		else p.rs = B.rs + min(t,p.rs-ss);
		if(p.re<=ss) p.re=B.rs;
		else if(p.re>=ee) p.re=B.re;
		else p.re = B.rs + min(t,p.re-ss);
		
		return p;
	}
	void pr(){
		//prl("b=",b,"x=",x,"[",ls,",",le,"]","   [",rs,",",re,"]");
	}
};
vector<Node> help;
struct SEG{
	Node val[1200000];
	void init(int x, int l, int r, bool t){
		if(l==r){
			if(t)val[x]=Node(0,in[l][1],in[l][0],in[l][1],in[l][0],in[l][1]);
			else val[x]=Node(0,in[n-l][1],in[n-l][0],in[n-l][1],in[n-l][0],in[n-l][1]);
			return ;
		}
		init(x*2,l,(l+r)/2,t);
		init(x*2+1,(l+r)/2+1,r,t);
		val[x]=val[x*2]+val[x*2+1];
	}
	void gang(int x, int l, int r, int ind, bool t){
		if(r<ind||ind<l) return ;
		if(l==r){
			if(t)val[x]=Node(0,in[l][1],in[l][0],in[l][1],in[l][0],in[l][1]);
			else val[x]=Node(0,in[n-l][1],in[n-l][0],in[n-l][1],in[n-l][0],in[n-l][1]);
			return ;
		}
		gang(x*2,l,(l+r)/2,ind,t);
		gang(x*2+1,(l+r)/2+1,r,ind,t);
		val[x]=val[x*2]+val[x*2+1];
	}
	void query(int x, int l, int r,int s, int e){
		if(r<s||e<l) return ;
		if(s<=l&&r<=e){
			help.eb(val[x]);return ;
		}
		query(x*2,l,(l+r)/2,s,e);
		query(x*2+1,(l+r)/2+1,r,s,e);
	}
	void debug(int x, int l, int r){
		val[x].pr();
		if(l==r)return ;
		debug(x*2,l,(l+r)/2);debug(x*2+1,(l+r)/2+1,r);
	}
}seg1, seg2;
ll eval(ll s, ll e){
	for(int i=help.size()-2;i>=0;i--) help[i]=help[i]+help[i+1];
	s = max(help[0].ls,s);
	ll ret = help[0].b + max(s-help[0].x,0LL);
	if(help[0].rs==help[0].re){
		ret+=max(help[0].re+1-e,0LL);
		return ret;
	}
	ll ss = help[0].rs-help[0].si;
	ll t = help[0].rs+1;
	if(s>ss) t = help[0].rs + min(help[0].re-help[0].rs,s-ss)+1;
	ret+=max(t-e,0LL);
	return ret;
}
void chk(int s, int e, int x,int y){
	ll sum=max(0, x - in[s][1]);
	x=max(x,in[s][0]);
	prl("query", s,e, x, y,"start : ", sum);
	x = min(x, in[s][1]);
	for(int i=s;i<=e;i++){
		x++;
		ll t = max(0,x-in[i][1]);
		sum+=t;
		x = min(x,in[i][1]);
		x = max(x, in[i][0]);
		prl("i=",i,"h=",x,"Sum=",sum,"delta=",t);
	}
	sum = sum + max(0, x-y);
	prl("end",sum);
}
int main(){
	//fopen;
	fastio;
	cin>>n>>q;
	for(int i=1;i<n;i++){
		cin>>in[i][0]>>in[i][1];
		in[i][1]--;
	}
	seg1.init(1,1,n-1,1);
	seg2.init(1,1,n-1,0);
	//prl("seg1");seg1.debug(1,1,n-1);
	//prl("seg2");seg2.debug(1,1,n-1);
	//prl("\n\n");
	while(q--){
		int a,b,c,d;
		cin>>a;
		if(a==1){
			cin>>a>>b>>c;
			in[a][0]=b;in[a][1]=c-1;
			seg1.gang(1,1,n-1,a,1);
			seg2.gang(1,1,n-1,n-a,0);
			/*
			prl("after query=================");
	prl("seg1");seg1.debug(1,1,n-1);
	prl("seg2");seg2.debug(1,1,n-1);
	*/
		}
		else{
			cin>>a>>b>>c>>d;
			help.clear();
			ll ans=0;
			if(a<c){
				seg1.query(1,1,n-1,a,c-1);
				ans = eval(b,d);
				//chk(a,c-1,b,d);
			}
			else if(a>c){
				a = n-a;c = n-c;
				seg2.query(1,1,n-1,a+1,c);
				ans = eval(b,d);
			}
			else ans = max(b-d,0);
			cout<<ans<<"\n";
		}
	}
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 131836 KB Output is correct
2 Correct 67 ms 131832 KB Output is correct
3 Correct 66 ms 131832 KB Output is correct
4 Correct 67 ms 131832 KB Output is correct
5 Correct 67 ms 131832 KB Output is correct
6 Correct 68 ms 131960 KB Output is correct
7 Correct 64 ms 131836 KB Output is correct
8 Correct 67 ms 131832 KB Output is correct
9 Correct 66 ms 131852 KB Output is correct
10 Correct 66 ms 131832 KB Output is correct
11 Correct 76 ms 131960 KB Output is correct
12 Correct 68 ms 131960 KB Output is correct
13 Correct 70 ms 131960 KB Output is correct
14 Correct 68 ms 131960 KB Output is correct
15 Correct 68 ms 131960 KB Output is correct
16 Correct 70 ms 131960 KB Output is correct
17 Correct 71 ms 131960 KB Output is correct
18 Correct 69 ms 132024 KB Output is correct
19 Correct 70 ms 131960 KB Output is correct
20 Correct 68 ms 131960 KB Output is correct
21 Correct 68 ms 131964 KB Output is correct
22 Correct 71 ms 131960 KB Output is correct
23 Correct 70 ms 131960 KB Output is correct
24 Correct 70 ms 131960 KB Output is correct
25 Correct 69 ms 131960 KB Output is correct
26 Correct 71 ms 131964 KB Output is correct
27 Correct 69 ms 131952 KB Output is correct
28 Correct 68 ms 131964 KB Output is correct
29 Correct 69 ms 131960 KB Output is correct
30 Correct 68 ms 131960 KB Output is correct
31 Correct 68 ms 131960 KB Output is correct
32 Correct 69 ms 131960 KB Output is correct
33 Correct 68 ms 131960 KB Output is correct
34 Correct 77 ms 131960 KB Output is correct
35 Correct 70 ms 131960 KB Output is correct
36 Correct 68 ms 131960 KB Output is correct
37 Correct 71 ms 131960 KB Output is correct
38 Correct 70 ms 131960 KB Output is correct
39 Correct 68 ms 131960 KB Output is correct
40 Correct 69 ms 131960 KB Output is correct
41 Runtime error 462 ms 524292 KB Execution killed with signal 9 (could be triggered by violating memory limits)

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 691 ms 138352 KB Output is correct
2 Correct 697 ms 153336 KB Output is correct
3 Correct 710 ms 153720 KB Output is correct
4 Correct 712 ms 153212 KB Output is correct
5 Correct 706 ms 153928 KB Output is correct
6 Correct 721 ms 153724 KB Output is correct
7 Correct 706 ms 153796 KB Output is correct
8 Correct 707 ms 154488 KB Output is correct
9 Execution timed out 551 ms 149624 KB Time limit exceeded (wall clock)
10 Halted 0 ms 0 KB -

Subtask #3
0 / 66.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 131836 KB Output is correct
2 Correct 67 ms 131832 KB Output is correct
3 Correct 66 ms 131832 KB Output is correct
4 Correct 67 ms 131832 KB Output is correct
5 Correct 67 ms 131832 KB Output is correct
6 Correct 68 ms 131960 KB Output is correct
7 Correct 64 ms 131836 KB Output is correct
8 Correct 67 ms 131832 KB Output is correct
9 Correct 66 ms 131852 KB Output is correct
10 Correct 66 ms 131832 KB Output is correct
11 Correct 76 ms 131960 KB Output is correct
12 Correct 68 ms 131960 KB Output is correct
13 Correct 70 ms 131960 KB Output is correct
14 Correct 68 ms 131960 KB Output is correct
15 Correct 68 ms 131960 KB Output is correct
16 Correct 70 ms 131960 KB Output is correct
17 Correct 71 ms 131960 KB Output is correct
18 Correct 69 ms 132024 KB Output is correct
19 Correct 70 ms 131960 KB Output is correct
20 Correct 68 ms 131960 KB Output is correct
21 Correct 68 ms 131964 KB Output is correct
22 Correct 71 ms 131960 KB Output is correct
23 Correct 70 ms 131960 KB Output is correct
24 Correct 70 ms 131960 KB Output is correct
25 Correct 69 ms 131960 KB Output is correct
26 Correct 71 ms 131964 KB Output is correct
27 Correct 69 ms 131952 KB Output is correct
28 Correct 68 ms 131964 KB Output is correct
29 Correct 69 ms 131960 KB Output is correct
30 Correct 68 ms 131960 KB Output is correct
31 Correct 68 ms 131960 KB Output is correct
32 Correct 69 ms 131960 KB Output is correct
33 Correct 68 ms 131960 KB Output is correct
34 Correct 77 ms 131960 KB Output is correct
35 Correct 70 ms 131960 KB Output is correct
36 Correct 68 ms 131960 KB Output is correct
37 Correct 71 ms 131960 KB Output is correct
38 Correct 70 ms 131960 KB Output is correct
39 Correct 68 ms 131960 KB Output is correct
40 Correct 69 ms 131960 KB Output is correct
41 Runtime error 462 ms 524292 KB Execution killed with signal 9 (could be triggered by violating memory limits)