oj.uz

Submission #414300

# Submission time Handle Problem Language Result Execution time Memory
414300 2021-05-30T10:02:25 Z Blagojce Swap (BOI16_swap) C++11
48 / 100
 866 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 = 400000;
 
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 15 ms 22220 KB Output is correct
2 Correct 15 ms 22276 KB Output is correct
3 Correct 13 ms 22248 KB Output is correct
4 Correct 13 ms 22220 KB Output is correct
5 Correct 13 ms 22276 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 22220 KB Output is correct
2 Correct 15 ms 22276 KB Output is correct
3 Correct 13 ms 22248 KB Output is correct
4 Correct 13 ms 22220 KB Output is correct
5 Correct 13 ms 22276 KB Output is correct
6 Correct 14 ms 22192 KB Output is correct
7 Correct 13 ms 22292 KB Output is correct
8 Correct 13 ms 22220 KB Output is correct
9 Correct 15 ms 22220 KB Output is correct
10 Correct 15 ms 22272 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 22220 KB Output is correct
2 Correct 15 ms 22276 KB Output is correct
3 Correct 13 ms 22248 KB Output is correct
4 Correct 13 ms 22220 KB Output is correct
5 Correct 13 ms 22276 KB Output is correct
6 Correct 14 ms 22192 KB Output is correct
7 Correct 13 ms 22292 KB Output is correct
8 Correct 13 ms 22220 KB Output is correct
9 Correct 15 ms 22220 KB Output is correct
10 Correct 15 ms 22272 KB Output is correct
11 Correct 23 ms 24116 KB Output is correct
12 Correct 22 ms 24104 KB Output is correct
13 Correct 18 ms 24040 KB Output is correct
14 Correct 21 ms 24220 KB Output is correct
15 Correct 19 ms 24216 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 22220 KB Output is correct
2 Correct 15 ms 22276 KB Output is correct
3 Correct 13 ms 22248 KB Output is correct
4 Correct 13 ms 22220 KB Output is correct
5 Correct 13 ms 22276 KB Output is correct
6 Correct 14 ms 22192 KB Output is correct
7 Correct 13 ms 22292 KB Output is correct
8 Correct 13 ms 22220 KB Output is correct
9 Correct 15 ms 22220 KB Output is correct
10 Correct 15 ms 22272 KB Output is correct
11 Correct 23 ms 24116 KB Output is correct
12 Correct 22 ms 24104 KB Output is correct
13 Correct 18 ms 24040 KB Output is correct
14 Correct 21 ms 24220 KB Output is correct
15 Correct 19 ms 24216 KB Output is correct
16 Correct 866 ms 250384 KB Output is correct
17 Correct 858 ms 250052 KB Output is correct
18 Correct 860 ms 252428 KB Output is correct
19 Runtime error 554 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 15 ms 22220 KB Output is correct
2 Correct 15 ms 22276 KB Output is correct
3 Correct 13 ms 22248 KB Output is correct
4 Correct 13 ms 22220 KB Output is correct
5 Correct 13 ms 22276 KB Output is correct
6 Correct 14 ms 22192 KB Output is correct
7 Correct 13 ms 22292 KB Output is correct
8 Correct 13 ms 22220 KB Output is correct
9 Correct 15 ms 22220 KB Output is correct
10 Correct 15 ms 22272 KB Output is correct
11 Correct 23 ms 24116 KB Output is correct
12 Correct 22 ms 24104 KB Output is correct
13 Correct 18 ms 24040 KB Output is correct
14 Correct 21 ms 24220 KB Output is correct
15 Correct 19 ms 24216 KB Output is correct
16 Correct 866 ms 250384 KB Output is correct
17 Correct 858 ms 250052 KB Output is correct
18 Correct 860 ms 252428 KB Output is correct
19 Runtime error 554 ms 262148 KB Execution killed with signal 9
20 Halted 0 ms 0 KB -