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Submission #209064

# Submission time Handle Problem Language Result Execution time Memory
209064 2020-03-13T05:48:11 Z YJU Examination (JOI19_examination) C++14
100 / 100
 649 ms 19376 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
typedef pair<pll,pll> tyty;
const ll N=1e6+5;
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define lwb lower_bound
#define Y second
#define SZ(a) (ll)a.size()

ll bit[N],n,q,s,t,a,b,c,ans[N];
vector<tyty> v;
vector<ll> lis;

void add(ll id,ll d){
	while(id<N)bit[id]+=d,id+=(id&-id);
}

ll Q(ll id){
	ll tmp=0;
	while(id)tmp+=bit[id],id-=(id&-id);
	return tmp;
}

void CDQ(ll l,ll r){
	//cout<<l<<" "<<r<<"\n";
	if(r==l+1)return;
	ll mid=(l+r)/2;
	CDQ(l,mid);CDQ(mid,r);
	ll ql=l,qr=mid;
	vector<ll> que;
	while(ql<mid&&qr<r){
		if(v[ql].X.Y<=v[qr].X.Y){
			if(v[ql].Y.Y==0)add(v[ql].Y.X,1),que.pb(v[ql].Y.X);
			++ql;
		}else{
			if(v[qr].Y.Y!=0)ans[v[qr].Y.Y]+=Q(v[qr].Y.X);
			++qr;
		}
	}
	//while(ql<mid)
	while(qr<r)if(v[qr].Y.Y!=0)ans[v[qr].Y.Y]+=Q(v[qr].Y.X),++qr;else ++qr;
	for(ll i:que){add(i,-1);}
	sort(v.begin()+l,v.begin()+r,[](tyty a,tyty b){return (a.X.Y!=b.X.Y?a.X.Y<b.X.Y:a.Y.Y<b.Y.Y);});
}

int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	cin>>n>>q;
	REP(i,n)cin>>s>>t,v.pb(mp(mp(-s,-t),mp(-(s+t),0))),lis.pb(-s),lis.pb(-t),lis.pb(-s-t);
	REP1(i,q)cin>>a>>b>>c,v.pb(mp(mp(-a,-b),mp(-c,i))),lis.pb(-a),lis.pb(-b),lis.pb(-c);
	sort(lis.begin(),lis.end());
	lis.resize(unique(lis.begin(),lis.end())-lis.begin());
	for(auto &i:v){
		i.X.X=lwb(lis.begin(),lis.end(),i.X.X)-lis.begin()+1;
		i.X.Y=lwb(lis.begin(),lis.end(),i.X.Y)-lis.begin()+1;
		i.Y.X=lwb(lis.begin(),lis.end(),i.Y.X)-lis.begin()+1;
	}
	sort(v.begin(),v.end());
	CDQ(0,SZ(v));
	REP1(i,q)cout<<ans[i]<<"\n";
	return 0;
}

Subtask #1
2.0 / 2.0

# 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 380 KB Output is correct
4 Correct 5 ms 380 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 18 ms 1268 KB Output is correct
8 Correct 17 ms 1140 KB Output is correct
9 Correct 17 ms 1268 KB Output is correct
10 Correct 15 ms 1140 KB Output is correct
11 Correct 15 ms 1140 KB Output is correct
12 Correct 13 ms 1012 KB Output is correct
13 Correct 16 ms 1268 KB Output is correct
14 Correct 16 ms 1268 KB Output is correct
15 Correct 17 ms 1268 KB Output is correct
16 Correct 13 ms 1140 KB Output is correct
17 Correct 15 ms 1140 KB Output is correct
18 Correct 11 ms 1012 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 556 ms 14816 KB Output is correct
2 Correct 547 ms 17196 KB Output is correct
3 Correct 543 ms 15148 KB Output is correct
4 Correct 422 ms 14756 KB Output is correct
5 Correct 441 ms 14896 KB Output is correct
6 Correct 339 ms 14656 KB Output is correct
7 Correct 526 ms 16036 KB Output is correct
8 Correct 530 ms 15140 KB Output is correct
9 Correct 523 ms 15908 KB Output is correct
10 Correct 373 ms 14656 KB Output is correct
11 Correct 405 ms 14652 KB Output is correct
12 Correct 307 ms 14648 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 556 ms 14816 KB Output is correct
2 Correct 547 ms 17196 KB Output is correct
3 Correct 543 ms 15148 KB Output is correct
4 Correct 422 ms 14756 KB Output is correct
5 Correct 441 ms 14896 KB Output is correct
6 Correct 339 ms 14656 KB Output is correct
7 Correct 526 ms 16036 KB Output is correct
8 Correct 530 ms 15140 KB Output is correct
9 Correct 523 ms 15908 KB Output is correct
10 Correct 373 ms 14656 KB Output is correct
11 Correct 405 ms 14652 KB Output is correct
12 Correct 307 ms 14648 KB Output is correct
13 Correct 578 ms 15224 KB Output is correct
14 Correct 582 ms 15040 KB Output is correct
15 Correct 540 ms 15108 KB Output is correct
16 Correct 462 ms 14892 KB Output is correct
17 Correct 446 ms 14756 KB Output is correct
18 Correct 366 ms 14792 KB Output is correct
19 Correct 586 ms 15280 KB Output is correct
20 Correct 579 ms 15140 KB Output is correct
21 Correct 550 ms 15908 KB Output is correct
22 Correct 374 ms 14656 KB Output is correct
23 Correct 407 ms 14652 KB Output is correct
24 Correct 315 ms 14656 KB Output is correct

Subtask #4
57.0 / 57.0

# 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 380 KB Output is correct
4 Correct 5 ms 380 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 18 ms 1268 KB Output is correct
8 Correct 17 ms 1140 KB Output is correct
9 Correct 17 ms 1268 KB Output is correct
10 Correct 15 ms 1140 KB Output is correct
11 Correct 15 ms 1140 KB Output is correct
12 Correct 13 ms 1012 KB Output is correct
13 Correct 16 ms 1268 KB Output is correct
14 Correct 16 ms 1268 KB Output is correct
15 Correct 17 ms 1268 KB Output is correct
16 Correct 13 ms 1140 KB Output is correct
17 Correct 15 ms 1140 KB Output is correct
18 Correct 11 ms 1012 KB Output is correct
19 Correct 556 ms 14816 KB Output is correct
20 Correct 547 ms 17196 KB Output is correct
21 Correct 543 ms 15148 KB Output is correct
22 Correct 422 ms 14756 KB Output is correct
23 Correct 441 ms 14896 KB Output is correct
24 Correct 339 ms 14656 KB Output is correct
25 Correct 526 ms 16036 KB Output is correct
26 Correct 530 ms 15140 KB Output is correct
27 Correct 523 ms 15908 KB Output is correct
28 Correct 373 ms 14656 KB Output is correct
29 Correct 405 ms 14652 KB Output is correct
30 Correct 307 ms 14648 KB Output is correct
31 Correct 578 ms 15224 KB Output is correct
32 Correct 582 ms 15040 KB Output is correct
33 Correct 540 ms 15108 KB Output is correct
34 Correct 462 ms 14892 KB Output is correct
35 Correct 446 ms 14756 KB Output is correct
36 Correct 366 ms 14792 KB Output is correct
37 Correct 586 ms 15280 KB Output is correct
38 Correct 579 ms 15140 KB Output is correct
39 Correct 550 ms 15908 KB Output is correct
40 Correct 374 ms 14656 KB Output is correct
41 Correct 407 ms 14652 KB Output is correct
42 Correct 315 ms 14656 KB Output is correct
43 Correct 649 ms 18728 KB Output is correct
44 Correct 632 ms 18756 KB Output is correct
45 Correct 631 ms 18740 KB Output is correct
46 Correct 484 ms 17188 KB Output is correct
47 Correct 479 ms 17068 KB Output is correct
48 Correct 371 ms 14652 KB Output is correct
49 Correct 595 ms 19376 KB Output is correct
50 Correct 599 ms 18552 KB Output is correct
51 Correct 606 ms 19120 KB Output is correct
52 Correct 399 ms 16048 KB Output is correct
53 Correct 405 ms 15408 KB Output is correct