oj.uz

Submission #414303

# Submission time Handle Problem Language Result Execution time Memory
414303 2021-05-30T10:03:04 Z Blagojce Swap (BOI16_swap) C++11
48 / 100
 803 ms 262148 KB 
#include <bits/stdc++.h>
#include <cstdio>
#pragma GCC optimize("O3")
#define fr(i, n, m) for(int i = (n); i < (m); i ++)
#define pb push_back
#define st first
#define nd second
#define pq priority_queue
#define all(x) begin(x), end(x)
 
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
const ll inf = 1e18;
const ll mod = 1000000007;
const ld eps = 1e-13;
const ld pi  = 3.14159265359;
 
mt19937 _rand(time(NULL));
clock_t timer = clock();
const int mxn = 500000;
 
inline int readint(){
	int ret=0;
	for(char c;;){
		c=getchar();
		if('0'<=c and c<='9')
			ret=ret*10+(c&15);
		else
			return ret;
	}
}
vector<char> digits;
inline void printint(int x){
	do{
		digits.push_back(x%10|48);
		x/=10;
	}while(x);
	while(not digits.empty())
		putchar(digits.back()), digits.pop_back();
}
 
 
int n;
int a[mxn];
 
 
unordered_map<int, vector<int> > f[mxn];
//vector<int> f[mxn][mxn];
 
 
void combine(vector<int> &v1, vector<int> &v2, vector<int> &r){
	int p = 0;
	int l = 1;
	
	while(p < (int)v1.size()){
		fr(k, 0, l){
			r.pb(v1[p+k]);
		}
		fr(k, 0, l){
			r.pb(v2[p+k]);
		}
		p += l;
		l *= 2;
	}
	
}
 
 /*
 
void combine(int a, int x, int b, int y, vector<int> &r){
	int p = 0;
	int l = 1;
	
	while(p < (int)f[a][x].size()){
		fr(k, 0, l){
			r.pb(f[a][x][p+k]);
		}
		fr(k, 0, l){
			r.pb(f[b][y][p+k]);
		}
		p += l;
		l *= 2;
	}
	
}*/

vector<int> g1;
vector<int> g2;
vector<int> cand;
void solve(){
	
	//cin >> n;
	n = readint();
	fr(i, 1, n+1){
		a[i] = readint();
		//cin >> a[i];
	}
	int orgn = n;
	int m = n;
	while(m+1 - ((m+1)&-(m+1)) != 0){	
		++m;
	}
	
	fr(i, n+1, m+1){
		a[i] = i;
	}
	n = m;
	for(int i = n; i >= 1; i --){
		cand.clear();	
		for(int j = i; j >= 1; j /= 2){
			cand.pb(a[j]);
			if(j != 1){
				if(j % 2){
					cand.pb(a[j-1]);
				}
				else{
					cand.pb(a[j+1]);
				}
			}
		}
		
		
		for(auto j : cand){
			if(i*2 > n){
				f[i][j] = {j};
			}
			else{
				int mi = min(j, min(a[i*2], a[i*2+1]));
				if(j == mi){
					combine(f[i*2][a[i*2]], f[i*2+1][a[i*2+1]], f[i][j]);
				}
				else if(a[i*2] == mi){
					combine(f[i*2][j], f[i*2+1][a[i*2+1]], f[i][j]);
				}
				else{
					g1.clear();
					combine(f[i*2][a[i*2]], f[i*2+1][j], g1);
					g2.clear();
					combine(f[i*2][j], f[i*2+1][a[i*2]], g2);
					f[i][j] = min(g1, g2);
				}
				f[i][j].insert(f[i][j].begin(), mi);	
			}
		}
	}
	vector<int> ans = f[1][a[1]];
	fr(i, 0, orgn){
		printint(ans[i]);
		putchar(' ');
		//cout<<f[1][a[1]][i]<<' ';
	}	
}
 
int main(){
	digits.reserve(10);
	//	freopen("t.in.16", "r", stdin);
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	solve();
}
//

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 27724 KB Output is correct
2 Correct 18 ms 27724 KB Output is correct
3 Correct 19 ms 27724 KB Output is correct
4 Correct 18 ms 27704 KB Output is correct
5 Correct 18 ms 27644 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 27724 KB Output is correct
2 Correct 18 ms 27724 KB Output is correct
3 Correct 19 ms 27724 KB Output is correct
4 Correct 18 ms 27704 KB Output is correct
5 Correct 18 ms 27644 KB Output is correct
6 Correct 18 ms 27776 KB Output is correct
7 Correct 17 ms 27724 KB Output is correct
8 Correct 19 ms 27724 KB Output is correct
9 Correct 20 ms 27736 KB Output is correct
10 Correct 17 ms 27676 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 27724 KB Output is correct
2 Correct 18 ms 27724 KB Output is correct
3 Correct 19 ms 27724 KB Output is correct
4 Correct 18 ms 27704 KB Output is correct
5 Correct 18 ms 27644 KB Output is correct
6 Correct 18 ms 27776 KB Output is correct
7 Correct 17 ms 27724 KB Output is correct
8 Correct 19 ms 27724 KB Output is correct
9 Correct 20 ms 27736 KB Output is correct
10 Correct 17 ms 27676 KB Output is correct
11 Correct 23 ms 29528 KB Output is correct
12 Correct 23 ms 29648 KB Output is correct
13 Correct 23 ms 29508 KB Output is correct
14 Correct 23 ms 29696 KB Output is correct
15 Correct 22 ms 29732 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 27724 KB Output is correct
2 Correct 18 ms 27724 KB Output is correct
3 Correct 19 ms 27724 KB Output is correct
4 Correct 18 ms 27704 KB Output is correct
5 Correct 18 ms 27644 KB Output is correct
6 Correct 18 ms 27776 KB Output is correct
7 Correct 17 ms 27724 KB Output is correct
8 Correct 19 ms 27724 KB Output is correct
9 Correct 20 ms 27736 KB Output is correct
10 Correct 17 ms 27676 KB Output is correct
11 Correct 23 ms 29528 KB Output is correct
12 Correct 23 ms 29648 KB Output is correct
13 Correct 23 ms 29508 KB Output is correct
14 Correct 23 ms 29696 KB Output is correct
15 Correct 22 ms 29732 KB Output is correct
16 Correct 782 ms 256044 KB Output is correct
17 Correct 803 ms 255164 KB Output is correct
18 Correct 780 ms 257572 KB Output is correct
19 Runtime error 536 ms 262148 KB Execution killed with signal 9
20 Halted 0 ms 0 KB -

Subtask #5
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 27724 KB Output is correct
2 Correct 18 ms 27724 KB Output is correct
3 Correct 19 ms 27724 KB Output is correct
4 Correct 18 ms 27704 KB Output is correct
5 Correct 18 ms 27644 KB Output is correct
6 Correct 18 ms 27776 KB Output is correct
7 Correct 17 ms 27724 KB Output is correct
8 Correct 19 ms 27724 KB Output is correct
9 Correct 20 ms 27736 KB Output is correct
10 Correct 17 ms 27676 KB Output is correct
11 Correct 23 ms 29528 KB Output is correct
12 Correct 23 ms 29648 KB Output is correct
13 Correct 23 ms 29508 KB Output is correct
14 Correct 23 ms 29696 KB Output is correct
15 Correct 22 ms 29732 KB Output is correct
16 Correct 782 ms 256044 KB Output is correct
17 Correct 803 ms 255164 KB Output is correct
18 Correct 780 ms 257572 KB Output is correct
19 Runtime error 536 ms 262148 KB Execution killed with signal 9
20 Halted 0 ms 0 KB -