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답안 #376830

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
376830 2021-03-12T05:10:40 Z YJU Bitaro, who Leaps through Time (JOI19_timeleap) C++14
0 / 100
 719 ms 524292 KB 
#include<bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector,Ofast")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
const ll N=3e5+5;
const ll INF=(1LL<<40);
const ld pi=acos(-1);
const ll MOD=1e9+7;
#define REP(i,n) for(int i=0;i<n;++i)
#define REP1(i,n) for(int i=1;i<=n;++i)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define lwb lower_bound
#define setp setprecision
#define SZ(_a) (ll)_a.size()

struct ele{
	ll ty,a,b,c;
	//ele(ll _ty,ll _a,ll _b,ll _c):ty(_ty),a(_a),b(_b),c(_c){};
	void out(){
		cout<<ty<<" "<<a<<" "<<b<<" "<<c<<"\n";
	}
};

ele operator +(ele A,ele B){
	if(A.ty==1){
        if(B.ty==1){
			if(A.a>B.b)return ele{2,A.a,B.b,A.c+B.c+(A.a-B.b)};
			else if(A.b<B.a)return ele{2,A.b,B.a,A.c+B.c};
			else return ele{1,max(A.a,B.a),min(A.b,B.b),A.c+B.c};
        }else{
            if(B.a<=A.b&&A.a<=B.a)return ele{2,B.a,B.b,A.c+B.c};
            else if(A.b<B.a)return ele{2,A.b,B.b,A.c+B.c};
            else if(A.a>B.a)return ele{2,A.a,B.b,A.c+B.c+(A.a-B.a)};
        }
	}else{
		if(B.ty==1){
			if(A.b<=B.b&&A.b>=B.a)return ele{2,A.a,A.b,A.c+B.c};
			else if(A.b>B.b)return ele{2,A.a,B.b,A.c+B.c+(A.b-B.b)};
			else if(A.b<B.a)return ele{2,A.a,B.a,A.c+B.c};
		}else{
            return ele{2,A.a,B.b,A.c+B.c+max(A.b-B.a,0LL)};
		}
	}
}

ll L[N],R[N];
ll n,q,x,ans[N];
vector<ll> input[N];
vector<ele> seg(4*N);

void rev(){
	reverse(L+1,L+n);
	reverse(R+1,R+n);
	REP1(i,q){
        if(input[i][0]==1){
            input[i][1]=n-input[i][1];
		}else{
            input[i][1]=n+1-input[i][1];
            input[i][3]=n+1-input[i][3];
		}
	}
}

void build(ll id,ll l,ll r){
	if(l==r-1){seg[id]=ele{1,L[l]-l,R[l]-l-1,0};return ;}
	ll mid=(l+r)>>1;
	build(id*2,l,mid);
	build(id*2+1,mid,r);
	seg[id]=seg[id*2]+seg[id*2+1];
}

void upd(ll id,ll l,ll r,ll to,ele d){
    if(l==r-1){seg[id]=d;return ;}
    ll mid=(l+r)>>1;
    if(to<mid){
		upd(id*2,l,mid,to,d);
    }else{
		upd(id*2+1,mid,r,to,d);
    }
    seg[id]=seg[id*2]+seg[id*2+1];
}

ele query(ll id,ll l,ll r,ll ql,ll qr){
	if(l>=ql&&r<=qr)return seg[id];
	if(l>=qr||r<=ql)return ele{1,-INF,INF,0};
    ll mid=(l+r)>>1;
    return query(id*2,l,mid,ql,qr)+query(id*2+1,mid,r,ql,qr);
}

void solve(){
	build(1,1,n);
    //REP1(i,n-1)seg[i]=ele{1,L[i]-i,R[i]-i-1,0};

	REP1(i,q){
		ll T=input[i][0];
        if(T==1){
			ll P=input[i][1],NL=input[i][2],NR=input[i][3];
			upd(1,1,n,P,ele{1,NL-P,NR-P-1,0});
			//seg[P]=ele{1,NL-P,NR-P-1,0};
        }else{
			ll A=input[i][1],B=input[i][2],C=input[i][3],D=input[i][4];
			if(A>C)continue;
			if(A==C){ans[i]=max(B-D,0LL);continue;}

			ele sum=query(1,1,n,A,C);

			B-=A,D-=C;
            if(sum.ty==1){
				ans[i]=sum.c+max(0LL,B-sum.b)+max(0LL,max(sum.a,min(B,sum.b))-D);
            }else{
				ans[i]=sum.c+max(0LL,B-sum.a)+max(0LL,sum.b-D);
            }
        }
	}
}

int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	memset(ans,-1,sizeof(ans));
    cin>>n>>q;
    REP1(i,n-1)cin>>L[i]>>R[i];
    REP1(i,q){
		cin>>x;input[i].pb(x);
		if(x==1)REP(j,3)cin>>x,input[i].pb(x);
		else REP(j,4)cin>>x,input[i].pb(x);
    }
    solve();
    rev();
    solve();
    REP1(i,q)if(ans[i]!=-1)cout<<ans[i]<<"\n";
	return 0;
}

Compilation message

timeleap.cpp: In function 'ele operator+(ele, ele)':
timeleap.cpp:49:1: warning: control reaches end of non-void function [-Wreturn-type]
   49 | }
      | ^

Subtask #1
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 47340 KB Output is correct
2 Correct 33 ms 47340 KB Output is correct
3 Correct 29 ms 47340 KB Output is correct
4 Correct 29 ms 47340 KB Output is correct
5 Correct 28 ms 47340 KB Output is correct
6 Correct 29 ms 47340 KB Output is correct
7 Correct 31 ms 47468 KB Output is correct
8 Correct 28 ms 47340 KB Output is correct
9 Correct 28 ms 47616 KB Output is correct
10 Correct 29 ms 47340 KB Output is correct
11 Correct 29 ms 47340 KB Output is correct
12 Correct 30 ms 47340 KB Output is correct
13 Correct 30 ms 47340 KB Output is correct
14 Correct 31 ms 47340 KB Output is correct
15 Correct 30 ms 47468 KB Output is correct
16 Correct 35 ms 47340 KB Output is correct
17 Correct 31 ms 47340 KB Output is correct
18 Correct 30 ms 47340 KB Output is correct
19 Correct 30 ms 47340 KB Output is correct
20 Correct 32 ms 47340 KB Output is correct
21 Correct 30 ms 47340 KB Output is correct
22 Correct 30 ms 47340 KB Output is correct
23 Correct 30 ms 47340 KB Output is correct
24 Correct 30 ms 47340 KB Output is correct
25 Correct 30 ms 47340 KB Output is correct
26 Correct 30 ms 47340 KB Output is correct
27 Correct 31 ms 47340 KB Output is correct
28 Correct 30 ms 47340 KB Output is correct
29 Correct 30 ms 47468 KB Output is correct
30 Correct 30 ms 47468 KB Output is correct
31 Correct 30 ms 47340 KB Output is correct
32 Correct 30 ms 47340 KB Output is correct
33 Correct 30 ms 47340 KB Output is correct
34 Correct 30 ms 47340 KB Output is correct
35 Correct 30 ms 47340 KB Output is correct
36 Correct 30 ms 47340 KB Output is correct
37 Correct 30 ms 47340 KB Output is correct
38 Correct 30 ms 47340 KB Output is correct
39 Correct 30 ms 47340 KB Output is correct
40 Correct 30 ms 47340 KB Output is correct
41 Runtime error 307 ms 524292 KB Execution killed with signal 9

Subtask #2
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 666 ms 80316 KB Output is correct
2 Correct 636 ms 79468 KB Output is correct
3 Correct 637 ms 79852 KB Output is correct
4 Correct 625 ms 79468 KB Output is correct
5 Correct 647 ms 79852 KB Output is correct
6 Correct 650 ms 79724 KB Output is correct
7 Correct 654 ms 80108 KB Output is correct
8 Correct 683 ms 80168 KB Output is correct
9 Correct 630 ms 79596 KB Output is correct
10 Correct 652 ms 79852 KB Output is correct
11 Correct 683 ms 79796 KB Output is correct
12 Correct 719 ms 80236 KB Output is correct
13 Correct 689 ms 80216 KB Output is correct
14 Runtime error 316 ms 524292 KB Execution killed with signal 9

Subtask #3
0 / 66.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 47340 KB Output is correct
2 Correct 33 ms 47340 KB Output is correct
3 Correct 29 ms 47340 KB Output is correct
4 Correct 29 ms 47340 KB Output is correct
5 Correct 28 ms 47340 KB Output is correct
6 Correct 29 ms 47340 KB Output is correct
7 Correct 31 ms 47468 KB Output is correct
8 Correct 28 ms 47340 KB Output is correct
9 Correct 28 ms 47616 KB Output is correct
10 Correct 29 ms 47340 KB Output is correct
11 Correct 29 ms 47340 KB Output is correct
12 Correct 30 ms 47340 KB Output is correct
13 Correct 30 ms 47340 KB Output is correct
14 Correct 31 ms 47340 KB Output is correct
15 Correct 30 ms 47468 KB Output is correct
16 Correct 35 ms 47340 KB Output is correct
17 Correct 31 ms 47340 KB Output is correct
18 Correct 30 ms 47340 KB Output is correct
19 Correct 30 ms 47340 KB Output is correct
20 Correct 32 ms 47340 KB Output is correct
21 Correct 30 ms 47340 KB Output is correct
22 Correct 30 ms 47340 KB Output is correct
23 Correct 30 ms 47340 KB Output is correct
24 Correct 30 ms 47340 KB Output is correct
25 Correct 30 ms 47340 KB Output is correct
26 Correct 30 ms 47340 KB Output is correct
27 Correct 31 ms 47340 KB Output is correct
28 Correct 30 ms 47340 KB Output is correct
29 Correct 30 ms 47468 KB Output is correct
30 Correct 30 ms 47468 KB Output is correct
31 Correct 30 ms 47340 KB Output is correct
32 Correct 30 ms 47340 KB Output is correct
33 Correct 30 ms 47340 KB Output is correct
34 Correct 30 ms 47340 KB Output is correct
35 Correct 30 ms 47340 KB Output is correct
36 Correct 30 ms 47340 KB Output is correct
37 Correct 30 ms 47340 KB Output is correct
38 Correct 30 ms 47340 KB Output is correct
39 Correct 30 ms 47340 KB Output is correct
40 Correct 30 ms 47340 KB Output is correct
41 Runtime error 307 ms 524292 KB Execution killed with signal 9