oj.uz

Submission #152444

# Submission time Handle Problem Language Result Execution time Memory
152444 2019-09-08T03:17:05 Z cheetose Examination (JOI19_examination) C++11
100 / 100
 1937 ms 408328 KB 
#include<cstdio>
#include<cstdlib>
#include<iostream>
#include<vector>
#include<queue>
#include<bitset>
#include<string>
#include<stack>
#include<set>
#include<unordered_set>
#include<map>
#include<unordered_map>
#include<cstring>
#include<complex>
#include<cmath>
#include<iomanip>
#include<numeric>
#include<algorithm>
#include<list>
#include<functional>
#include<cassert>
#define mp make_pair
#define pb push_back
#define X first
#define Y second
#define y0 y12
#define y1 y22
#define INF 987654321
#define PI 3.141592653589793238462643383279502884
#define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
#define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c))
#define MEM0(a) memset((a),0,sizeof(a));
#define MEM_1(a) memset((a),-1,sizeof(a));
#define ALL(a) a.begin(),a.end()
#define SYNC ios_base::sync_with_stdio(false);cin.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef double db;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int, int> Pi;
typedef pair<ll, ll> Pll;
typedef pair<ld, ld> Pd;
typedef vector<int> Vi;
typedef vector<ll> Vll;
typedef vector<double> Vd;
typedef vector<Pi> VPi;
typedef vector<Pll> VPll;
typedef vector<Pd> VPd;
typedef tuple<int, int, int> iii;
typedef tuple<int,int,int,int> iiii;
typedef tuple<ll, ll, ll> LLL;
typedef vector<iii> Viii;
typedef vector<LLL> VLLL;
typedef complex<double> base;
const ll MOD = 1000000007;
ll POW(ll a, ll b, ll MMM = MOD) {ll ret=1; for(;b;b>>=1,a=(a*a)%MMM)if(b&1)ret=(ret*a)% MMM; return ret; }
ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; }
ll lcm(ll a, ll b) { if (a == 0 || b == 0)return a + b; return a*(b / gcd(a, b)); }
int dx[] = { 0,1,0,-1,1,1,-1,-1 }, dy[] = { 1,0,-1,0,1,-1,1,-1 };

struct xnode{
	int yroot,L,R;
	xnode(){
		yroot=-1,L=-1,R=-1;
	}
};
struct ynode{
	int val,L,R;
	ynode(){
		val=0;
		L=-1,R=-1;
	}
};
int nx,ny;
vector<xnode> xtree;
vector<ynode> ytree;
int xinit(){
	xnode x;
	xtree.pb(x);
	return xtree.size()-1;
}
int yinit(){
	ynode y;
	ytree.pb(y);
	return ytree.size()-1;
}
void yupd(int node,int S,int E,int y)
{
	ytree[node].val++;
	if(S==E)return;
	int M=(S+E)>>1;
	if(y<=M)
	{
		if(ytree[node].L==-1)
		{
			int next=yinit();
			ytree[node].L=next;
		}
		yupd(ytree[node].L,S,M,y);
	}
	else
	{
		if(ytree[node].R==-1)
		{
			int next=yinit();
			ytree[node].R=next;
		}
		yupd(ytree[node].R,M+1,E,y);
	}
}
void upd(int node,int S,int E,int x,int y)//(x,y)좌표값 1증가
{
	if(xtree[node].yroot==-1)
	{
		int next=yinit();
		xtree[node].yroot=next;
	}
	yupd(xtree[node].yroot,0,ny-1,y);
	if(S==E)return;
	int M=(S+E)>>1;
	if(x<=M)
	{
		if(xtree[node].L==-1)
		{
			int next=xinit();
			xtree[node].L=next;
		}
		upd(xtree[node].L,S,M,x,y);
	}
	else
	{
		if(xtree[node].R==-1)
		{
			int next=xinit();
			xtree[node].R=next;
		}
		upd(xtree[node].R,M+1,E,x,y);
	}
}
int yfind(int node,int S,int E,int y1,int y2)
{
	if(y1>E || y2<S)return 0;
	if(y1<=S && y2>=E)return ytree[node].val;
	int res=0;
	if(~ytree[node].L)res+=yfind(ytree[node].L,S,(S+E)/2,y1,y2);
	if(~ytree[node].R)res+=yfind(ytree[node].R,(S+E)/2+1,E,y1,y2);
	return res;
}
int find(int node,int S,int E,int x1,int x2,int y1,int y2)
{
	if(x1>E || x2<S)return 0;
	if(x1<=S && x2>=E)
	{
		if(xtree[node].yroot==-1)return 0;
		return yfind(xtree[node].yroot,0,ny-1,y1,y2);
	}
	int res=0;
	if(~xtree[node].L)res+=find(xtree[node].L,S,(S+E)/2,x1,x2,y1,y2);
	if(~xtree[node].R)res+=find(xtree[node].R,(S+E)/2+1,E,x1,x2,y1,y2);
	return res;
}

struct query{
	int x,y,z,i;
	bool operator <(const query &O)const{
		return z>O.z;
	}
}q[100000];
Pi p[100000];
int ans[100000];
int main() {
	Vi xx,yy;
	xinit();
	int n,Q;
	scanf("%d%d",&n,&Q);
	fup(i,0,n-1,1)
	{
		scanf("%d%d",&p[i].X,&p[i].Y);
		xx.pb(p[i].X);
		yy.pb(p[i].Y);
	}
	sort(ALL(xx));xx.resize(unique(ALL(xx))-xx.begin());
	sort(ALL(yy));yy.resize(unique(ALL(yy))-yy.begin());
	nx=xx.size(),ny=yy.size();
	sort(p,p+n,[&](Pi p1,Pi p2){return p1.X+p1.Y>p2.X+p2.Y;});
	fup(i,0,Q-1,1)
	{
		scanf("%d%d%d",&q[i].x,&q[i].y,&q[i].z);
		q[i].i=i;
	}
	sort(q,q+Q);
	for(int i=0,j=0;i<Q;i++)
	{
		while(j<n && p[j].X+p[j].Y>=q[i].z)
		{
			upd(0,0,nx-1,lower_bound(ALL(xx),p[j].X)-xx.begin(),lower_bound(ALL(yy),p[j].Y)-yy.begin());
			j++;
		}
		ans[q[i].i]=find(0,0,nx-1,lower_bound(ALL(xx),q[i].x)-xx.begin(),nx-1,lower_bound(ALL(yy),q[i].y)-yy.begin(),ny-1);
	}
	fup(i,0,Q-1,1)printf("%d\n",ans[i]);
}

Compilation message

examination.cpp: In function 'int main()':
examination.cpp:177:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&Q);
  ~~~~~^~~~~~~~~~~~~~
examination.cpp:180:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&p[i].X,&p[i].Y);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
examination.cpp:190:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d",&q[i].x,&q[i].y,&q[i].z);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 22 ms 6896 KB Output is correct
8 Correct 22 ms 6896 KB Output is correct
9 Correct 22 ms 6892 KB Output is correct
10 Correct 10 ms 1432 KB Output is correct
11 Correct 9 ms 1532 KB Output is correct
12 Correct 5 ms 504 KB Output is correct
13 Correct 23 ms 6892 KB Output is correct
14 Correct 23 ms 6896 KB Output is correct
15 Correct 23 ms 6768 KB Output is correct
16 Correct 6 ms 760 KB Output is correct
17 Correct 7 ms 760 KB Output is correct
18 Correct 4 ms 504 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1611 ms 205624 KB Output is correct
2 Correct 1753 ms 205748 KB Output is correct
3 Correct 1724 ms 205872 KB Output is correct
4 Correct 339 ms 32968 KB Output is correct
5 Correct 285 ms 30396 KB Output is correct
6 Correct 96 ms 5612 KB Output is correct
7 Correct 1605 ms 205716 KB Output is correct
8 Correct 1604 ms 205732 KB Output is correct
9 Correct 1364 ms 205592 KB Output is correct
10 Correct 128 ms 7944 KB Output is correct
11 Correct 165 ms 9580 KB Output is correct
12 Correct 59 ms 5228 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1611 ms 205624 KB Output is correct
2 Correct 1753 ms 205748 KB Output is correct
3 Correct 1724 ms 205872 KB Output is correct
4 Correct 339 ms 32968 KB Output is correct
5 Correct 285 ms 30396 KB Output is correct
6 Correct 96 ms 5612 KB Output is correct
7 Correct 1605 ms 205716 KB Output is correct
8 Correct 1604 ms 205732 KB Output is correct
9 Correct 1364 ms 205592 KB Output is correct
10 Correct 128 ms 7944 KB Output is correct
11 Correct 165 ms 9580 KB Output is correct
12 Correct 59 ms 5228 KB Output is correct
13 Correct 1494 ms 206560 KB Output is correct
14 Correct 1604 ms 206616 KB Output is correct
15 Correct 1737 ms 205880 KB Output is correct
16 Correct 301 ms 33612 KB Output is correct
17 Correct 259 ms 31036 KB Output is correct
18 Correct 103 ms 5648 KB Output is correct
19 Correct 1458 ms 206612 KB Output is correct
20 Correct 1576 ms 206564 KB Output is correct
21 Correct 1430 ms 206596 KB Output is correct
22 Correct 132 ms 8028 KB Output is correct
23 Correct 164 ms 9528 KB Output is correct
24 Correct 60 ms 5228 KB Output is correct

Subtask #4
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 22 ms 6896 KB Output is correct
8 Correct 22 ms 6896 KB Output is correct
9 Correct 22 ms 6892 KB Output is correct
10 Correct 10 ms 1432 KB Output is correct
11 Correct 9 ms 1532 KB Output is correct
12 Correct 5 ms 504 KB Output is correct
13 Correct 23 ms 6892 KB Output is correct
14 Correct 23 ms 6896 KB Output is correct
15 Correct 23 ms 6768 KB Output is correct
16 Correct 6 ms 760 KB Output is correct
17 Correct 7 ms 760 KB Output is correct
18 Correct 4 ms 504 KB Output is correct
19 Correct 1611 ms 205624 KB Output is correct
20 Correct 1753 ms 205748 KB Output is correct
21 Correct 1724 ms 205872 KB Output is correct
22 Correct 339 ms 32968 KB Output is correct
23 Correct 285 ms 30396 KB Output is correct
24 Correct 96 ms 5612 KB Output is correct
25 Correct 1605 ms 205716 KB Output is correct
26 Correct 1604 ms 205732 KB Output is correct
27 Correct 1364 ms 205592 KB Output is correct
28 Correct 128 ms 7944 KB Output is correct
29 Correct 165 ms 9580 KB Output is correct
30 Correct 59 ms 5228 KB Output is correct
31 Correct 1494 ms 206560 KB Output is correct
32 Correct 1604 ms 206616 KB Output is correct
33 Correct 1737 ms 205880 KB Output is correct
34 Correct 301 ms 33612 KB Output is correct
35 Correct 259 ms 31036 KB Output is correct
36 Correct 103 ms 5648 KB Output is correct
37 Correct 1458 ms 206612 KB Output is correct
38 Correct 1576 ms 206564 KB Output is correct
39 Correct 1430 ms 206596 KB Output is correct
40 Correct 132 ms 8028 KB Output is correct
41 Correct 164 ms 9528 KB Output is correct
42 Correct 60 ms 5228 KB Output is correct
43 Correct 1780 ms 404048 KB Output is correct
44 Correct 1777 ms 408328 KB Output is correct
45 Correct 1937 ms 408232 KB Output is correct
46 Correct 304 ms 36416 KB Output is correct
47 Correct 299 ms 32276 KB Output is correct
48 Correct 97 ms 5612 KB Output is correct
49 Correct 1864 ms 408224 KB Output is correct
50 Correct 1625 ms 408184 KB Output is correct
51 Correct 1535 ms 408100 KB Output is correct
52 Correct 157 ms 10680 KB Output is correct
53 Correct 186 ms 12084 KB Output is correct