oj.uz

답안 #201625

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
201625 2020-02-11T12:55:00 Z red1108 Bitaro, who Leaps through Time (JOI19_timeleap) C++17
0 / 100
 641 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;
	int 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){
			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[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);
	}
}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]--;
	}
	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
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 43 ms 75512 KB Output is correct
2 Correct 43 ms 75512 KB Output is correct
3 Correct 42 ms 75512 KB Output is correct
4 Correct 45 ms 75512 KB Output is correct
5 Correct 41 ms 75512 KB Output is correct
6 Correct 42 ms 75544 KB Output is correct
7 Correct 42 ms 75516 KB Output is correct
8 Correct 43 ms 75512 KB Output is correct
9 Correct 43 ms 75508 KB Output is correct
10 Correct 43 ms 75512 KB Output is correct
11 Correct 44 ms 75512 KB Output is correct
12 Correct 45 ms 75640 KB Output is correct
13 Correct 43 ms 75512 KB Output is correct
14 Correct 44 ms 75512 KB Output is correct
15 Correct 44 ms 75516 KB Output is correct
16 Correct 50 ms 75512 KB Output is correct
17 Correct 45 ms 75640 KB Output is correct
18 Correct 44 ms 75512 KB Output is correct
19 Correct 44 ms 75512 KB Output is correct
20 Correct 44 ms 75512 KB Output is correct
21 Correct 45 ms 75512 KB Output is correct
22 Correct 44 ms 75512 KB Output is correct
23 Correct 43 ms 75512 KB Output is correct
24 Correct 44 ms 75512 KB Output is correct
25 Correct 44 ms 75512 KB Output is correct
26 Correct 43 ms 75516 KB Output is correct
27 Correct 44 ms 75512 KB Output is correct
28 Correct 45 ms 75640 KB Output is correct
29 Correct 43 ms 75512 KB Output is correct
30 Correct 43 ms 75512 KB Output is correct
31 Correct 46 ms 75512 KB Output is correct
32 Correct 52 ms 75512 KB Output is correct
33 Correct 43 ms 75512 KB Output is correct
34 Correct 43 ms 75512 KB Output is correct
35 Correct 44 ms 75516 KB Output is correct
36 Correct 44 ms 75512 KB Output is correct
37 Correct 46 ms 75512 KB Output is correct
38 Correct 45 ms 75512 KB Output is correct
39 Correct 43 ms 75384 KB Output is correct
40 Correct 45 ms 75512 KB Output is correct
41 Runtime error 439 ms 524292 KB Execution killed with signal 9 (could be triggered by violating memory limits)

Subtask #2
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 599 ms 84828 KB Output is correct
2 Correct 593 ms 81656 KB Output is correct
3 Correct 580 ms 81700 KB Output is correct
4 Correct 597 ms 81788 KB Output is correct
5 Correct 618 ms 81876 KB Output is correct
6 Correct 601 ms 81912 KB Output is correct
7 Correct 639 ms 81976 KB Output is correct
8 Correct 620 ms 82408 KB Output is correct
9 Correct 601 ms 82764 KB Output is correct
10 Correct 632 ms 97476 KB Output is correct
11 Correct 622 ms 97528 KB Output is correct
12 Correct 641 ms 98168 KB Output is correct
13 Correct 634 ms 98172 KB Output is correct
14 Runtime error 332 ms 524292 KB Execution killed with signal 9 (could be triggered by violating memory limits)

Subtask #3
0 / 66.0

# 결과 실행 시간 메모리 Grader output
1 Correct 43 ms 75512 KB Output is correct
2 Correct 43 ms 75512 KB Output is correct
3 Correct 42 ms 75512 KB Output is correct
4 Correct 45 ms 75512 KB Output is correct
5 Correct 41 ms 75512 KB Output is correct
6 Correct 42 ms 75544 KB Output is correct
7 Correct 42 ms 75516 KB Output is correct
8 Correct 43 ms 75512 KB Output is correct
9 Correct 43 ms 75508 KB Output is correct
10 Correct 43 ms 75512 KB Output is correct
11 Correct 44 ms 75512 KB Output is correct
12 Correct 45 ms 75640 KB Output is correct
13 Correct 43 ms 75512 KB Output is correct
14 Correct 44 ms 75512 KB Output is correct
15 Correct 44 ms 75516 KB Output is correct
16 Correct 50 ms 75512 KB Output is correct
17 Correct 45 ms 75640 KB Output is correct
18 Correct 44 ms 75512 KB Output is correct
19 Correct 44 ms 75512 KB Output is correct
20 Correct 44 ms 75512 KB Output is correct
21 Correct 45 ms 75512 KB Output is correct
22 Correct 44 ms 75512 KB Output is correct
23 Correct 43 ms 75512 KB Output is correct
24 Correct 44 ms 75512 KB Output is correct
25 Correct 44 ms 75512 KB Output is correct
26 Correct 43 ms 75516 KB Output is correct
27 Correct 44 ms 75512 KB Output is correct
28 Correct 45 ms 75640 KB Output is correct
29 Correct 43 ms 75512 KB Output is correct
30 Correct 43 ms 75512 KB Output is correct
31 Correct 46 ms 75512 KB Output is correct
32 Correct 52 ms 75512 KB Output is correct
33 Correct 43 ms 75512 KB Output is correct
34 Correct 43 ms 75512 KB Output is correct
35 Correct 44 ms 75516 KB Output is correct
36 Correct 44 ms 75512 KB Output is correct
37 Correct 46 ms 75512 KB Output is correct
38 Correct 45 ms 75512 KB Output is correct
39 Correct 43 ms 75384 KB Output is correct
40 Correct 45 ms 75512 KB Output is correct
41 Runtime error 439 ms 524292 KB Execution killed with signal 9 (could be triggered by violating memory limits)