oj.uz

Submission #201633

# Submission time Handle Problem Language Result Execution time Memory
201633 2020-02-11T13:29:22 Z red1108 Bitaro, who Leaps through Time (JOI19_timeleap) C++17
4 / 100
 599 ms 74104 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;
	int x,ls,le,rs,re,si;
	Node(){};
	Node(ll bb,int xx,int i,int j,int k,int 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){
			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;
	}
};
vector<Node> help;
struct SEG{
	Node val[1201000];
	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);
	}
}seg1, seg2;
ll eval(int s, int 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,0);
	if(help[0].rs==help[0].re){
		ret+=max(help[0].re+1-e,0);
		return ret;
	}
	int ss = help[0].rs-help[0].si, 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,0);
	return ret;
}
int main(){
	//fopen;
	fastio;
	cin>>n>>q;
	for(int i=1;i<n;i++){
		cin>>in[i][0]>>in[i][1];
		in[i][1]--;
	}
	if(n==1){
		while(q--){
			int a,b,c,d;
			cin>>a;
			if(a==1){cin>>a>>b>>c;}
			else if(a==2){
				cin>>a>>b>>c>>d;
				cout<<max(b-d,0)<<"\n";
			}
		}
		return 0;
	}
	seg1.init(1,1,n-1,1);
	seg2.init(1,1,n-1,0);
	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);
		}
		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);
			}
			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
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 248 KB Output is correct
5 Correct 5 ms 428 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 6 ms 508 KB Output is correct
12 Correct 7 ms 632 KB Output is correct
13 Correct 6 ms 376 KB Output is correct
14 Correct 6 ms 632 KB Output is correct
15 Correct 6 ms 504 KB Output is correct
16 Correct 7 ms 504 KB Output is correct
17 Correct 6 ms 504 KB Output is correct
18 Correct 6 ms 632 KB Output is correct
19 Correct 6 ms 504 KB Output is correct
20 Correct 7 ms 632 KB Output is correct
21 Correct 7 ms 504 KB Output is correct
22 Correct 6 ms 504 KB Output is correct
23 Correct 6 ms 504 KB Output is correct
24 Correct 6 ms 508 KB Output is correct
25 Correct 6 ms 632 KB Output is correct
26 Correct 6 ms 504 KB Output is correct
27 Correct 6 ms 504 KB Output is correct
28 Correct 6 ms 504 KB Output is correct
29 Correct 6 ms 504 KB Output is correct
30 Correct 6 ms 632 KB Output is correct
31 Correct 6 ms 504 KB Output is correct
32 Correct 6 ms 504 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 6 ms 504 KB Output is correct
35 Correct 6 ms 636 KB Output is correct
36 Correct 6 ms 632 KB Output is correct
37 Correct 6 ms 504 KB Output is correct
38 Correct 6 ms 504 KB Output is correct
39 Correct 6 ms 632 KB Output is correct
40 Correct 6 ms 504 KB Output is correct
41 Correct 5 ms 376 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 599 ms 72864 KB Output is correct
2 Correct 576 ms 40824 KB Output is correct
3 Correct 568 ms 40952 KB Output is correct
4 Correct 549 ms 40788 KB Output is correct
5 Correct 583 ms 73720 KB Output is correct
6 Correct 588 ms 73680 KB Output is correct
7 Correct 591 ms 73836 KB Output is correct
8 Correct 585 ms 74104 KB Output is correct
9 Execution timed out 564 ms 40952 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 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 248 KB Output is correct
5 Correct 5 ms 428 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 6 ms 508 KB Output is correct
12 Correct 7 ms 632 KB Output is correct
13 Correct 6 ms 376 KB Output is correct
14 Correct 6 ms 632 KB Output is correct
15 Correct 6 ms 504 KB Output is correct
16 Correct 7 ms 504 KB Output is correct
17 Correct 6 ms 504 KB Output is correct
18 Correct 6 ms 632 KB Output is correct
19 Correct 6 ms 504 KB Output is correct
20 Correct 7 ms 632 KB Output is correct
21 Correct 7 ms 504 KB Output is correct
22 Correct 6 ms 504 KB Output is correct
23 Correct 6 ms 504 KB Output is correct
24 Correct 6 ms 508 KB Output is correct
25 Correct 6 ms 632 KB Output is correct
26 Correct 6 ms 504 KB Output is correct
27 Correct 6 ms 504 KB Output is correct
28 Correct 6 ms 504 KB Output is correct
29 Correct 6 ms 504 KB Output is correct
30 Correct 6 ms 632 KB Output is correct
31 Correct 6 ms 504 KB Output is correct
32 Correct 6 ms 504 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 6 ms 504 KB Output is correct
35 Correct 6 ms 636 KB Output is correct
36 Correct 6 ms 632 KB Output is correct
37 Correct 6 ms 504 KB Output is correct
38 Correct 6 ms 504 KB Output is correct
39 Correct 6 ms 632 KB Output is correct
40 Correct 6 ms 504 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 599 ms 72864 KB Output is correct
43 Correct 576 ms 40824 KB Output is correct
44 Correct 568 ms 40952 KB Output is correct
45 Correct 549 ms 40788 KB Output is correct
46 Correct 583 ms 73720 KB Output is correct
47 Correct 588 ms 73680 KB Output is correct
48 Correct 591 ms 73836 KB Output is correct
49 Correct 585 ms 74104 KB Output is correct
50 Execution timed out 564 ms 40952 KB Time limit exceeded (wall clock)
51 Halted 0 ms 0 KB -