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답안 #126889

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
126889 2019-07-08T14:57:05 Z mahmoudbadawy Examination (JOI19_examination) C++17
43 / 100
 2689 ms 154604 KB 
#include <bits/stdc++.h>
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops") 
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#include <ext/pb_ds/assoc_container.hpp> // Common file
#include <ext/pb_ds/tree_policy.hpp> // Including tree_order_statistics_node_update
#define F first
#define S second

using namespace std;
using namespace __gnu_pbds;

typedef tree<
pair<int,int>,
null_type,
less<pair<int,int> >,
rb_tree_tag,
tree_order_statistics_node_update>
ordered_set;

const int N=1e5+5;

int read_int () {
	bool minus = false;
	int result = 0;
	char ch;
	ch = getchar();
	while (true) {
		if (ch == '-') break;
		if (ch >= '0' && ch <= '9') break;
		ch = getchar();
	}
	if (ch == '-') minus = true; else result = ch-'0';
	while (true) {
		ch = getchar();
		if (ch < '0' || ch > '9') break;
		result = (result<<3)+(result<<1) + (ch - '0');
	}
	if (minus)
		return -result;
	else
		return result;
}

ordered_set btree[4*N];
pair<int,int> arr[N];
pair<pair<int,int>, pair<int,int> > qs[N];
vector<int> cmp;
int ans[N];
int n,q;

int get(int x)
{
	return lower_bound(cmp.begin(),cmp.end(),x)-cmp.begin();
}

void add(int ind,int sm,int x,int node=1,int l=0,int r=cmp.size()-1)
{
	if(r<ind||l>ind) return;
	btree[node].insert({sm,x});
	if(l==r)
		return;
	int mid=(l+r)/2;
	add(ind,sm,x,node<<1,l,mid);
	add(ind,sm,x,(node<<1)+1,mid+1,r);
}

void rem(int ind,int sm,int x,int node=1,int l=0,int r=cmp.size()-1)
{
	if(r<ind||l>ind) return;
	btree[node].erase({sm,x});
	if(l==r)
		return;
	int mid=(l+r)/2;
	rem(ind,sm,x,node<<1,l,mid);
	rem(ind,sm,x,(node<<1)+1,mid+1,r);
}

int query(int ql,int qr,int val,int node=1,int l=0,int r=cmp.size()-1)
{
	if(r<ql||qr<l) return 0;
	if(ql<=l&&r<=qr)
	{
		return btree[node].size()-btree[node].order_of_key({val,-1});
	}
	int mid=(l+r)/2;
	return query(ql,qr,val,node<<1,l,mid)+query(ql,qr,val,(node<<1)+1,mid+1,r);
}

int main()
{
	//scanf("%d %d",&n,&q);
	n=read_int(); q=read_int();
	for(int i=0;i<n;i++)
	{
		arr[i].F=read_int(); arr[i].S=read_int();
		//scanf("%d %d",&arr[i].F,&arr[i].S);
		cmp.push_back(arr[i].S);
	}
	for(int i=0;i<q;i++)
	{
		//scanf("%d %d %d",&qs[i].F.F,&qs[i].F.S,&qs[i].S.F);
		qs[i].F.F=read_int(); qs[i].F.S=read_int();
		qs[i].S.F=read_int();
		qs[i].S.S=i;
		cmp.push_back(qs[i].F.S);
	}
	sort(cmp.begin(),cmp.end());
	cmp.erase(unique(cmp.begin(),cmp.end()),cmp.end());
	sort(arr,arr+n);
	sort(qs,qs+q);
	int curs=n-1;
	for(int i=q-1;i>=0;i--)
	{
		while(curs>=0&&arr[curs].F>=qs[i].F.F)
		{
			add(get(arr[curs].S),arr[curs].F+arr[curs].S,curs);
			curs--;
		}
		/*cout << "ON " << qs[i].F.F << " " << curs << endl;
		for(int i=0;i<btree[1].size();i++)
		{
			auto x=*btree[1].find_by_order(i);
			cout << x.F << " " << x.S << endl;
		}*/
		ans[qs[i].S.S]=query(get(qs[i].F.S),cmp.size()-1,qs[i].S.F);
	}
	for(int i=0;i<q;i++)
		printf("%d\n",ans[i]);
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 51 ms 37880 KB Output is correct
2 Correct 50 ms 37880 KB Output is correct
3 Correct 50 ms 37880 KB Output is correct
4 Correct 50 ms 38008 KB Output is correct
5 Correct 50 ms 37880 KB Output is correct
6 Correct 50 ms 37880 KB Output is correct
7 Correct 72 ms 40696 KB Output is correct
8 Correct 71 ms 40568 KB Output is correct
9 Correct 72 ms 40568 KB Output is correct
10 Correct 57 ms 38904 KB Output is correct
11 Correct 67 ms 40568 KB Output is correct
12 Correct 57 ms 38868 KB Output is correct
13 Correct 83 ms 40692 KB Output is correct
14 Correct 72 ms 40696 KB Output is correct
15 Correct 71 ms 40568 KB Output is correct
16 Correct 64 ms 40568 KB Output is correct
17 Correct 54 ms 38488 KB Output is correct
18 Correct 54 ms 38648 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2389 ms 151580 KB Output is correct
2 Correct 2433 ms 151920 KB Output is correct
3 Correct 2318 ms 151912 KB Output is correct
4 Correct 446 ms 70680 KB Output is correct
5 Correct 1182 ms 151644 KB Output is correct
6 Correct 392 ms 70648 KB Output is correct
7 Correct 2434 ms 151784 KB Output is correct
8 Correct 2366 ms 149056 KB Output is correct
9 Correct 2376 ms 149100 KB Output is correct
10 Correct 1002 ms 151532 KB Output is correct
11 Correct 324 ms 54632 KB Output is correct
12 Correct 354 ms 60652 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2389 ms 151580 KB Output is correct
2 Correct 2433 ms 151920 KB Output is correct
3 Correct 2318 ms 151912 KB Output is correct
4 Correct 446 ms 70680 KB Output is correct
5 Correct 1182 ms 151644 KB Output is correct
6 Correct 392 ms 70648 KB Output is correct
7 Correct 2434 ms 151784 KB Output is correct
8 Correct 2366 ms 149056 KB Output is correct
9 Correct 2376 ms 149100 KB Output is correct
10 Correct 1002 ms 151532 KB Output is correct
11 Correct 324 ms 54632 KB Output is correct
12 Correct 354 ms 60652 KB Output is correct
13 Correct 2505 ms 151704 KB Output is correct
14 Correct 2548 ms 154604 KB Output is correct
15 Correct 2382 ms 154092 KB Output is correct
16 Correct 529 ms 72776 KB Output is correct
17 Correct 1243 ms 153824 KB Output is correct
18 Correct 397 ms 71520 KB Output is correct
19 Correct 2594 ms 154476 KB Output is correct
20 Correct 2495 ms 154352 KB Output is correct
21 Correct 2689 ms 153760 KB Output is correct
22 Correct 1291 ms 153192 KB Output is correct
23 Correct 332 ms 56072 KB Output is correct
24 Correct 374 ms 61548 KB Output is correct

Subtask #4
0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 51 ms 37880 KB Output is correct
2 Correct 50 ms 37880 KB Output is correct
3 Correct 50 ms 37880 KB Output is correct
4 Correct 50 ms 38008 KB Output is correct
5 Correct 50 ms 37880 KB Output is correct
6 Correct 50 ms 37880 KB Output is correct
7 Correct 72 ms 40696 KB Output is correct
8 Correct 71 ms 40568 KB Output is correct
9 Correct 72 ms 40568 KB Output is correct
10 Correct 57 ms 38904 KB Output is correct
11 Correct 67 ms 40568 KB Output is correct
12 Correct 57 ms 38868 KB Output is correct
13 Correct 83 ms 40692 KB Output is correct
14 Correct 72 ms 40696 KB Output is correct
15 Correct 71 ms 40568 KB Output is correct
16 Correct 64 ms 40568 KB Output is correct
17 Correct 54 ms 38488 KB Output is correct
18 Correct 54 ms 38648 KB Output is correct
19 Correct 2389 ms 151580 KB Output is correct
20 Correct 2433 ms 151920 KB Output is correct
21 Correct 2318 ms 151912 KB Output is correct
22 Correct 446 ms 70680 KB Output is correct
23 Correct 1182 ms 151644 KB Output is correct
24 Correct 392 ms 70648 KB Output is correct
25 Correct 2434 ms 151784 KB Output is correct
26 Correct 2366 ms 149056 KB Output is correct
27 Correct 2376 ms 149100 KB Output is correct
28 Correct 1002 ms 151532 KB Output is correct
29 Correct 324 ms 54632 KB Output is correct
30 Correct 354 ms 60652 KB Output is correct
31 Correct 2505 ms 151704 KB Output is correct
32 Correct 2548 ms 154604 KB Output is correct
33 Correct 2382 ms 154092 KB Output is correct
34 Correct 529 ms 72776 KB Output is correct
35 Correct 1243 ms 153824 KB Output is correct
36 Correct 397 ms 71520 KB Output is correct
37 Correct 2594 ms 154476 KB Output is correct
38 Correct 2495 ms 154352 KB Output is correct
39 Correct 2689 ms 153760 KB Output is correct
40 Correct 1291 ms 153192 KB Output is correct
41 Correct 332 ms 56072 KB Output is correct
42 Correct 374 ms 61548 KB Output is correct
43 Runtime error 212 ms 87212 KB Execution killed with signal 11 (could be triggered by violating memory limits)
44 Halted 0 ms 0 KB -