oj.uz

Submission #408715

# Submission time Handle Problem Language Result Execution time Memory
408715 2021-05-19T14:21:13 Z nathanlee726 Examination (JOI19_examination) C++14
100 / 100
 560 ms 52964 KB 
//#include<i_am_noob_orz>
#include<bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;
#define ll long long
#define int ll
#define ull unsigned long long
#define pii pair<int,int>
#define X first
#define Y second
#define mod ((ll)1e9+7)
#define pb push_back
#define mp make_pair
#define abs(x) ((x)>0?(x):(-(x)))
#define F(n) Fi(i,n)
#define Fi(i,n) Fl(i,0,n)
#define Fl(i,l,n) for(int i=l;i<n;i++)
#define memres(a) memset(a,0,sizeof(a))
#define all(a) a.begin(),a.end()
#define sz(a) ((int)a.size())
#define ceiling(a,b) (((a)+(b)-1)/(b))
#define endl '\n'
#define bit_count(x) __builtin_popcountll((x))
#define ykh mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define jimmy_is_kind false
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> rbtree;
 
//#define LOCAL
#ifdef LOCAL
#define bug(...) cerr<<"#"<<__LINE__<<' '<<#__VA_ARGS__<<"- ", _do(__VA_ARGS__)
template<typename T> void _do(T && x) {cerr<<x<<endl;}
template<typename T, typename ...S> void _do(T && x, S&&...y) {cerr<<x<<", "; _do(y...);}
#define IOS()
#else
#define IOS() ios_base::sync_with_stdio(0), cin.tie(0)
#define endl '\n'
#define bug(...)
#endif
 
int add(int a,int b){return(a+b>=mod?a+b-mod:a+b);}
int sub(int a,int b){return(a<b?a+mod-b:a-b);}
int po(int a,int b){
	if(b==0)return 1;
	if(b==1)return(a%mod);
	int tem=po(a,b/2);
	if(b&1)return(((tem*tem)%mod)*a)%mod;
	else return(tem*tem)%mod; 
}
int GCD(int a,int b){
	int x=0;
	int ra,rb;
	while(a&&b){
		if(((a&1)==0)&&((b&1)==0)){
			a>>=1,b>>=1,x++;
		}
		else if((a^b)&1){
			if(a&1)b>>=1;
			else a>>=1;
		}
		else{
			ra=abs(a-b),rb=min(a,b);
			a=ra,b=rb;
		}
	}
	return max(a,b)<<x;
}
int gcd(int a,int b){if(b==0)return a;return gcd(b,a%b);}
int balbit[200010],o[100010];
bool cmp1(pair<pii,pii> x,pair<pii,pii> y){
	if(x.X.Y==y.X.Y){return x.Y.Y>=y.Y.Y;}
	else return x.X.Y>y.X.Y;
}
bool cmp(pair<pii,pii> x,pair<pii,pii> y){
	if(x.X.X==y.X.X){return x.Y.Y>=y.Y.Y;}
	else return x.X.X>y.X.X; 
}
void ADD(int x,int vl){
	for(;x>0;x-=(x&(-x)))balbit[x]+=vl;
}
int QRY(int x){
	int re=0;
	for(;x<=200000;x+=(x&-x))re+=balbit[x];
	return re;
}
void CDQ(int l,int r,vector<pair<pii,pii> >& a){
	if(l==r)return;
	int mi=(l+r)/2;
	vector<pair<pii,pii> >lv,rv;
	for(int i=l;i<=mi;i++)lv.pb(a[i-l]);
	for(int i=mi+1;i<=r;i++)rv.pb(a[i-l]);
	CDQ(l,mi,lv),CDQ(mi+1,r,rv);
	//for(auto &pt:lv)cout<<"lv "<<l<<" "<<r<<" "<<pt.X.X<<" "<<pt.X.Y<<" "<<pt.Y.X<<" "<<pt.Y.Y<<endl;
	//for(auto &pt:rv)cout<<"rv "<<l<<" "<<r<<" "<<pt.X.X<<" "<<pt.X.Y<<" "<<pt.Y.X<<" "<<pt.Y.Y<<endl;
	vector<pair<pii,pii> > b;
	vector<int> rem;
	int pl=0,pr=0;
	while(pl<sz(lv)&&pr<sz(rv)){
		if(cmp1(lv[pl],rv[pr])){
			if(lv[pl].Y.Y>=0){
				ADD(lv[pl].Y.X,1);
				rem.pb(lv[pl].Y.X);
			}
			b.pb(lv[pl]);
			pl++;
		}
		else{
			if(rv[pr].Y.Y<0){
				o[-rv[pr].Y.Y]+=QRY(rv[pr].Y.X);
				bug(-rv[pr].Y.Y,QRY(rv[pr].Y.X));
			} 
			b.pb(rv[pr]);
			pr++;
		}
	}
	while(pl<sz(lv)){
		if(lv[pl].Y.Y>=0){
			ADD(lv[pl].Y.X,1);
			rem.pb(lv[pl].Y.X);
		}
		b.pb(lv[pl]);
		pl++;
	}
	while(pr<sz(rv)){
		if(rv[pr].Y.Y<0){
			o[-rv[pr].Y.Y]+=QRY(rv[pr].Y.X);
			bug(-rv[pr].Y.Y,QRY(rv[pr].Y.X));
		} 
		b.pb(rv[pr]);
		pr++;
	}
	for(int x:rem)ADD(x,-1);
	assert(sz(a)==sz(b));
	F(sz(a))a[i]=b[i];
	return;
}
signed main(){
	IOS();
	int n,q;
	cin>>n>>q;
	vector<pair<pii,pii> > ar;
	vector<int> v;
	map<int,int> m;
	memres(o);
	F(n){
		int x,y;
		cin>>x>>y;
		ar.pb({{x,y},{x+y,i}});
		v.pb(x+y);
	}
	F(q){
		int x,y,z;
		cin>>x>>y>>z;
		ar.pb({{x,y},{z,-i-1}});
		v.pb(z);
	}
	sort(all(v));
	v.resize(unique(all(v))-v.begin());
	F(sz(v))m[v[i]]=i+1;
	for(auto &pt:ar)pt.Y.X=m[pt.Y.X];
	sort(all(ar),cmp);
	//for(auto &pt:ar)cout<<pt.X.X<<" "<<pt.X.Y<<" "<<pt.Y.X<<" "<<pt.Y.Y<<endl;
	CDQ(0,n+q-1,ar);
	F(q)cout<<o[i+1]<<endl;
	return 0;
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1100 KB Output is correct
2 Correct 1 ms 1092 KB Output is correct
3 Correct 1 ms 1100 KB Output is correct
4 Correct 1 ms 1100 KB Output is correct
5 Correct 1 ms 1100 KB Output is correct
6 Correct 1 ms 1100 KB Output is correct
7 Correct 12 ms 2568 KB Output is correct
8 Correct 12 ms 2572 KB Output is correct
9 Correct 13 ms 2596 KB Output is correct
10 Correct 12 ms 2568 KB Output is correct
11 Correct 11 ms 2568 KB Output is correct
12 Correct 9 ms 2052 KB Output is correct
13 Correct 11 ms 2444 KB Output is correct
14 Correct 11 ms 2444 KB Output is correct
15 Correct 11 ms 2444 KB Output is correct
16 Correct 10 ms 2316 KB Output is correct
17 Correct 12 ms 2516 KB Output is correct
18 Correct 8 ms 2064 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 400 ms 41512 KB Output is correct
2 Correct 396 ms 41572 KB Output is correct
3 Correct 418 ms 41548 KB Output is correct
4 Correct 370 ms 40160 KB Output is correct
5 Correct 368 ms 40152 KB Output is correct
6 Correct 298 ms 35296 KB Output is correct
7 Correct 378 ms 41472 KB Output is correct
8 Correct 382 ms 41440 KB Output is correct
9 Correct 383 ms 41364 KB Output is correct
10 Correct 369 ms 40032 KB Output is correct
11 Correct 371 ms 40316 KB Output is correct
12 Correct 246 ms 35272 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 400 ms 41512 KB Output is correct
2 Correct 396 ms 41572 KB Output is correct
3 Correct 418 ms 41548 KB Output is correct
4 Correct 370 ms 40160 KB Output is correct
5 Correct 368 ms 40152 KB Output is correct
6 Correct 298 ms 35296 KB Output is correct
7 Correct 378 ms 41472 KB Output is correct
8 Correct 382 ms 41440 KB Output is correct
9 Correct 383 ms 41364 KB Output is correct
10 Correct 369 ms 40032 KB Output is correct
11 Correct 371 ms 40316 KB Output is correct
12 Correct 246 ms 35272 KB Output is correct
13 Correct 473 ms 45664 KB Output is correct
14 Correct 449 ms 44768 KB Output is correct
15 Correct 389 ms 41572 KB Output is correct
16 Correct 418 ms 42284 KB Output is correct
17 Correct 402 ms 42148 KB Output is correct
18 Correct 291 ms 35428 KB Output is correct
19 Correct 472 ms 45512 KB Output is correct
20 Correct 455 ms 45048 KB Output is correct
21 Correct 455 ms 45556 KB Output is correct
22 Correct 361 ms 40012 KB Output is correct
23 Correct 355 ms 40052 KB Output is correct
24 Correct 253 ms 35352 KB Output is correct

Subtask #4
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1100 KB Output is correct
2 Correct 1 ms 1092 KB Output is correct
3 Correct 1 ms 1100 KB Output is correct
4 Correct 1 ms 1100 KB Output is correct
5 Correct 1 ms 1100 KB Output is correct
6 Correct 1 ms 1100 KB Output is correct
7 Correct 12 ms 2568 KB Output is correct
8 Correct 12 ms 2572 KB Output is correct
9 Correct 13 ms 2596 KB Output is correct
10 Correct 12 ms 2568 KB Output is correct
11 Correct 11 ms 2568 KB Output is correct
12 Correct 9 ms 2052 KB Output is correct
13 Correct 11 ms 2444 KB Output is correct
14 Correct 11 ms 2444 KB Output is correct
15 Correct 11 ms 2444 KB Output is correct
16 Correct 10 ms 2316 KB Output is correct
17 Correct 12 ms 2516 KB Output is correct
18 Correct 8 ms 2064 KB Output is correct
19 Correct 400 ms 41512 KB Output is correct
20 Correct 396 ms 41572 KB Output is correct
21 Correct 418 ms 41548 KB Output is correct
22 Correct 370 ms 40160 KB Output is correct
23 Correct 368 ms 40152 KB Output is correct
24 Correct 298 ms 35296 KB Output is correct
25 Correct 378 ms 41472 KB Output is correct
26 Correct 382 ms 41440 KB Output is correct
27 Correct 383 ms 41364 KB Output is correct
28 Correct 369 ms 40032 KB Output is correct
29 Correct 371 ms 40316 KB Output is correct
30 Correct 246 ms 35272 KB Output is correct
31 Correct 473 ms 45664 KB Output is correct
32 Correct 449 ms 44768 KB Output is correct
33 Correct 389 ms 41572 KB Output is correct
34 Correct 418 ms 42284 KB Output is correct
35 Correct 402 ms 42148 KB Output is correct
36 Correct 291 ms 35428 KB Output is correct
37 Correct 472 ms 45512 KB Output is correct
38 Correct 455 ms 45048 KB Output is correct
39 Correct 455 ms 45556 KB Output is correct
40 Correct 361 ms 40012 KB Output is correct
41 Correct 355 ms 40052 KB Output is correct
42 Correct 253 ms 35352 KB Output is correct
43 Correct 560 ms 52964 KB Output is correct
44 Correct 547 ms 52832 KB Output is correct
45 Correct 521 ms 52828 KB Output is correct
46 Correct 535 ms 51360 KB Output is correct
47 Correct 531 ms 51208 KB Output is correct
48 Correct 289 ms 35484 KB Output is correct
49 Correct 498 ms 52748 KB Output is correct
50 Correct 529 ms 52704 KB Output is correct
51 Correct 518 ms 52836 KB Output is correct
52 Correct 517 ms 51284 KB Output is correct
53 Correct 389 ms 43496 KB Output is correct