oj.uz

Submission #987162

# Submission time Handle Problem Language Result Execution time Memory
987162 2024-05-22T06:57:32 Z Pyqe Radio Towers (IOI22_towers) C++17
17 / 100
 778 ms 13824 KB 
#include <bits/stdc++.h>
#include "towers.h"

using namespace std;

#define mp make_pair
#define fr first
#define sc second

const long long inf=1e18;
long long n,udn=0,a[100069],uds[100069],sq[100069];
multiset<long long> ms;
multiset<pair<long long,pair<long long,long long>>> rg;

void init(int on,vector<int> aa)
{
	long long i,k,l=-1,w,c=0,k2,l2;
	
	n=on;
	for(i=1;i<=n;i++)
	{
		a[i]=aa[i-1];
	}
	ms.insert(-inf);
	ms.insert(inf);
	for(i=1;i<=n;i++)
	{
		if(((i==1||a[i]<a[i-1])&&(i==n||a[i]<a[i+1]))||(i>1&&i<n&&a[i]>max(a[i-1],a[i+1])))
		{
			ms.insert(i);
			if(l!=-1)
			{
				rg.insert({abs(a[l]-a[i]),{l,i}});
			}
			l=i;
			c++;
		}
	}
	c=(c+1)/2;
	sq[0]=c;
	for(;!rg.empty();)
	{
		w=rg.begin()->fr;
		k=rg.begin()->sc.fr;
		l=rg.begin()->sc.sc;
		rg.erase(rg.begin());
		if(ms.find(k)==ms.end()||ms.find(l)==ms.end())
		{
			continue;
		}
		c--;
		udn++;
		uds[udn]=w;
		sq[udn]=c;
		ms.erase(k);
		ms.erase(l);
		k2=*prev(ms.lower_bound(k));
		l2=*ms.upper_bound(l);
		if(k2!=-inf&&l2!=inf)
		{
			rg.insert({abs(a[k2]-a[l2]),{k2,l2}});
		}
	}
}

int max_towers(int lb,int rb,int cw)
{
	long long p=lower_bound(uds+1,uds+udn+1,cw)-uds-1;
	
	return sq[p];
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 266 ms 1204 KB 1st lines differ - on the 1st token, expected: '1', found: '2'
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB 1st lines differ - on the 1st token, expected: '13', found: '131'
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB 1st lines differ - on the 1st token, expected: '13', found: '131'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 535 ms 9776 KB 1st lines differ - on the 1st token, expected: '11903', found: '33010'
2 Halted 0 ms 0 KB -

Subtask #5
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 177 ms 2900 KB Output is correct
2 Correct 672 ms 9768 KB Output is correct
3 Correct 654 ms 9780 KB Output is correct
4 Correct 716 ms 13636 KB Output is correct
5 Correct 730 ms 13824 KB Output is correct
6 Correct 686 ms 13512 KB Output is correct
7 Correct 778 ms 13736 KB Output is correct
8 Correct 497 ms 1868 KB Output is correct
9 Correct 546 ms 1868 KB Output is correct
10 Correct 516 ms 1868 KB Output is correct
11 Correct 565 ms 1872 KB Output is correct
12 Correct 96 ms 9780 KB Output is correct
13 Correct 173 ms 13628 KB Output is correct
14 Correct 187 ms 13572 KB Output is correct
15 Correct 10 ms 1864 KB Output is correct
16 Correct 10 ms 1868 KB Output is correct
17 Correct 87 ms 9496 KB Output is correct
18 Correct 112 ms 10040 KB Output is correct
19 Correct 88 ms 9784 KB Output is correct
20 Correct 140 ms 13628 KB Output is correct
21 Correct 170 ms 13624 KB Output is correct
22 Correct 146 ms 13564 KB Output is correct
23 Correct 140 ms 13620 KB Output is correct
24 Correct 10 ms 1868 KB Output is correct
25 Correct 10 ms 1868 KB Output is correct
26 Correct 12 ms 1880 KB Output is correct
27 Correct 9 ms 1872 KB Output is correct
28 Correct 2 ms 600 KB Output is correct
29 Correct 3 ms 600 KB Output is correct
30 Correct 2 ms 600 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 2 ms 596 KB Output is correct
35 Correct 2 ms 556 KB Output is correct
36 Correct 2 ms 600 KB Output is correct
37 Correct 2 ms 600 KB Output is correct
38 Correct 2 ms 600 KB Output is correct
39 Correct 2 ms 600 KB Output is correct
40 Correct 1 ms 344 KB Output is correct
41 Correct 1 ms 344 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 1 ms 344 KB Output is correct

Subtask #6
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB 1st lines differ - on the 1st token, expected: '13', found: '131'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 266 ms 1204 KB 1st lines differ - on the 1st token, expected: '1', found: '2'
2 Halted 0 ms 0 KB -