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답안 #297794

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
297794 2020-09-12T00:23:19 Z Gajowy Xylophone (JOI18_xylophone) C++14
100 / 100
 110 ms 536 KB 
#pragma GCC optimize("Ofast")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#include "xylophone.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
#define mp make_pair
#define eb emplace_back
#define pb push_back
#define e1 first
#define e2 second
#define uint uint_fast64_t
#define ll int_fast64_t
#define ull uint_fast64_t
#define int16 int_fast16_t
#define uint16 uint_fast16_t
#define int32 int_fast32_t
#define uint32 uint_fast32_t
#define int64 int_fast64_t
#define uint64 uint_fast64_t
#define ld long double
#define float long double
#define size(x) (int)x.size()
#define satori int testCases; cin>>testCases; while(testCases--)
#define fastio ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
#define all(r) begin(r),end(r)
#define rall(r) rbegin(r),rend(r)
#define time chrono::high_resolution_clock().now().time_since_epoch().count()
#define elapsed(__begin,__end) (__end-__begin)/CLOCKS_PER_SEC
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
float pi=3.14159265358979323846;

const int MAXN=5e3+10,inf=1e9+2137;
/*
int a[MAXN],b[MAXN];

int query(int l,int r)
{
	int mn=inf,mx=-inf;
	for(int i=l;i<=r;i++)
		mn=min(mn,a[i]),mx=max(mx,a[i]);
	return mx-mn;
}

int answer(int i,int v)
{
	b[i]=v;
}
*/
int h[MAXN],d[MAXN],t[MAXN];

void solve(int n)
{
	for(int i=1;i<n;i++)
		d[i]=query(i,i+1);
	for(int i=1;i<n-1;i++)
		t[i]=query(i,i+2);
	h[2]=d[1];
	for(int i=3;i<=n;i++)
	{
		if(d[i-2]>d[i-1])
		{
			if(h[i-2]>h[i-1])
			{
				if(t[i-2]>d[i-2])
					h[i]=h[i-1]-d[i-1];
				else
					h[i]=h[i-1]+d[i-1];
			}
			else
			{
				if(t[i-2]>d[i-2])
					h[i]=h[i-1]+d[i-1];
				else
					h[i]=h[i-1]-d[i-1];
			}
		}
		else
		{
			if(h[i-2]>h[i-1])
			{
				if(t[i-2]==d[i-2]+d[i-1])
					h[i]=h[i-1]-d[i-1];
				else
					h[i]=h[i-1]+d[i-1];
			}
			else
			{
				if(t[i-2]==d[i-2]+d[i-1])
					h[i]=h[i-1]+d[i-1];
				else
					h[i]=h[i-1]-d[i-1];
			}
		}
	}
	int lp=1,rp=1;
	for(int i=2;i<=n;i++)
		lp=(h[i]<h[lp]?i:lp),rp=(h[i]>h[rp]?i:rp);
	if(rp<lp)
		for(int i=1;i<=n;i++)
			h[i]*=-1;
	int mn=0;
	for(int i=2;i<=n;i++)
		mn=min(mn,h[i]);
	for(int i=1;i<=n;i++)
		h[i]+=-mn+1;
	for(int i=1;i<=n;i++)
		answer(i,h[i]);
}
/*
int main()
{
	a[1]=2,a[2]=1,a[3]=5,a[4]=3,a[5]=4;
	solve(5);
	for(int i=1;i<=5;i++)
		cout<<b[i]<<' ';
}
*/

Compilation message

xylophone.cpp:2: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    2 | #pragma GCC optimization ("O3")
      | 
xylophone.cpp:3: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    3 | #pragma GCC optimization ("unroll-loops")
      |

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 3 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 3 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 2 ms 256 KB Output is correct

Subtask #2
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 3 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 3 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 9 ms 384 KB Output is correct
18 Correct 18 ms 376 KB Output is correct
19 Correct 19 ms 376 KB Output is correct
20 Correct 21 ms 504 KB Output is correct
21 Correct 19 ms 376 KB Output is correct
22 Correct 16 ms 384 KB Output is correct
23 Correct 17 ms 376 KB Output is correct
24 Correct 16 ms 376 KB Output is correct
25 Correct 20 ms 384 KB Output is correct
26 Correct 18 ms 384 KB Output is correct
27 Correct 17 ms 384 KB Output is correct
28 Correct 15 ms 384 KB Output is correct
29 Correct 18 ms 376 KB Output is correct
30 Correct 19 ms 376 KB Output is correct

Subtask #3
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 3 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 3 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 9 ms 384 KB Output is correct
18 Correct 18 ms 376 KB Output is correct
19 Correct 19 ms 376 KB Output is correct
20 Correct 21 ms 504 KB Output is correct
21 Correct 19 ms 376 KB Output is correct
22 Correct 16 ms 384 KB Output is correct
23 Correct 17 ms 376 KB Output is correct
24 Correct 16 ms 376 KB Output is correct
25 Correct 20 ms 384 KB Output is correct
26 Correct 18 ms 384 KB Output is correct
27 Correct 17 ms 384 KB Output is correct
28 Correct 15 ms 384 KB Output is correct
29 Correct 18 ms 376 KB Output is correct
30 Correct 19 ms 376 KB Output is correct
31 Correct 38 ms 536 KB Output is correct
32 Correct 31 ms 376 KB Output is correct
33 Correct 82 ms 384 KB Output is correct
34 Correct 79 ms 504 KB Output is correct
35 Correct 89 ms 384 KB Output is correct
36 Correct 93 ms 376 KB Output is correct
37 Correct 80 ms 384 KB Output is correct
38 Correct 91 ms 376 KB Output is correct
39 Correct 98 ms 504 KB Output is correct
40 Correct 94 ms 376 KB Output is correct
41 Correct 96 ms 376 KB Output is correct
42 Correct 53 ms 384 KB Output is correct
43 Correct 85 ms 376 KB Output is correct
44 Correct 86 ms 512 KB Output is correct
45 Correct 81 ms 376 KB Output is correct
46 Correct 93 ms 376 KB Output is correct
47 Correct 110 ms 516 KB Output is correct
48 Correct 88 ms 380 KB Output is correct
49 Correct 95 ms 376 KB Output is correct
50 Correct 82 ms 504 KB Output is correct
51 Correct 103 ms 376 KB Output is correct
52 Correct 99 ms 376 KB Output is correct
53 Correct 68 ms 504 KB Output is correct
54 Correct 91 ms 384 KB Output is correct
55 Correct 107 ms 376 KB Output is correct
56 Correct 102 ms 376 KB Output is correct
57 Correct 92 ms 384 KB Output is correct
58 Correct 51 ms 376 KB Output is correct
59 Correct 85 ms 504 KB Output is correct
60 Correct 91 ms 504 KB Output is correct