oj.uz

Submission #414325

# Submission time Handle Problem Language Result Execution time Memory
414325 2021-05-30T10:37:14 Z Blagojce Swap (BOI16_swap) C++11
68 / 100
 934 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 = 262144 + 10;
 
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];
 
 
map<int, vector<int> > f[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;
	}
}
 
 
vector<int> g1;
vector<int> g2;
vector<int> cand;
 
void solve(){
	n = readint();
	fr(i, 1, n+1){
		a[i] = readint();
	}
	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);	
			}
		}
		if(i*2 <= n){
			f[i*2].clear();
			f[i*2+1].clear();
		}
		
		
	}
	vector<int> ans = f[1][a[1]];
	fr(i, 0, orgn){
		printint(ans[i]);
		putchar(' ');
	}	
}
 
int main(){
	digits.reserve(10);
	//	freopen("t.in.25", "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 9 ms 12620 KB Output is correct
2 Correct 9 ms 12620 KB Output is correct
3 Correct 7 ms 12620 KB Output is correct
4 Correct 10 ms 12640 KB Output is correct
5 Correct 7 ms 12600 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 12620 KB Output is correct
2 Correct 9 ms 12620 KB Output is correct
3 Correct 7 ms 12620 KB Output is correct
4 Correct 10 ms 12640 KB Output is correct
5 Correct 7 ms 12600 KB Output is correct
6 Correct 8 ms 12620 KB Output is correct
7 Correct 7 ms 12620 KB Output is correct
8 Correct 7 ms 12620 KB Output is correct
9 Correct 8 ms 12568 KB Output is correct
10 Correct 8 ms 12644 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 12620 KB Output is correct
2 Correct 9 ms 12620 KB Output is correct
3 Correct 7 ms 12620 KB Output is correct
4 Correct 10 ms 12640 KB Output is correct
5 Correct 7 ms 12600 KB Output is correct
6 Correct 8 ms 12620 KB Output is correct
7 Correct 7 ms 12620 KB Output is correct
8 Correct 7 ms 12620 KB Output is correct
9 Correct 8 ms 12568 KB Output is correct
10 Correct 8 ms 12644 KB Output is correct
11 Correct 13 ms 13716 KB Output is correct
12 Correct 13 ms 13728 KB Output is correct
13 Correct 13 ms 13772 KB Output is correct
14 Correct 13 ms 13700 KB Output is correct
15 Correct 12 ms 13772 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 12620 KB Output is correct
2 Correct 9 ms 12620 KB Output is correct
3 Correct 7 ms 12620 KB Output is correct
4 Correct 10 ms 12640 KB Output is correct
5 Correct 7 ms 12600 KB Output is correct
6 Correct 8 ms 12620 KB Output is correct
7 Correct 7 ms 12620 KB Output is correct
8 Correct 7 ms 12620 KB Output is correct
9 Correct 8 ms 12568 KB Output is correct
10 Correct 8 ms 12644 KB Output is correct
11 Correct 13 ms 13716 KB Output is correct
12 Correct 13 ms 13728 KB Output is correct
13 Correct 13 ms 13772 KB Output is correct
14 Correct 13 ms 13700 KB Output is correct
15 Correct 12 ms 13772 KB Output is correct
16 Correct 903 ms 124604 KB Output is correct
17 Correct 922 ms 124720 KB Output is correct
18 Correct 934 ms 124584 KB Output is correct
19 Correct 684 ms 124592 KB Output is correct
20 Correct 751 ms 124612 KB Output is correct

Subtask #5
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 12620 KB Output is correct
2 Correct 9 ms 12620 KB Output is correct
3 Correct 7 ms 12620 KB Output is correct
4 Correct 10 ms 12640 KB Output is correct
5 Correct 7 ms 12600 KB Output is correct
6 Correct 8 ms 12620 KB Output is correct
7 Correct 7 ms 12620 KB Output is correct
8 Correct 7 ms 12620 KB Output is correct
9 Correct 8 ms 12568 KB Output is correct
10 Correct 8 ms 12644 KB Output is correct
11 Correct 13 ms 13716 KB Output is correct
12 Correct 13 ms 13728 KB Output is correct
13 Correct 13 ms 13772 KB Output is correct
14 Correct 13 ms 13700 KB Output is correct
15 Correct 12 ms 13772 KB Output is correct
16 Correct 903 ms 124604 KB Output is correct
17 Correct 922 ms 124720 KB Output is correct
18 Correct 934 ms 124584 KB Output is correct
19 Correct 684 ms 124592 KB Output is correct
20 Correct 751 ms 124612 KB Output is correct
21 Runtime error 371 ms 262148 KB Execution killed with signal 9
22 Halted 0 ms 0 KB -