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Submission #76606

# Submission time Handle Problem Language Result Execution time Memory
76606 2018-09-15T07:19:59 Z tmwilliamlin168 Swap (BOI16_swap) C++14
68 / 100
 429 ms 263168 KB 
#include <bits/stdc++.h>
using namespace std;

const int mxN=2e5;
int n, a[mxN+1];
vector<int> dp[mxN+1][36], v1, v2;

void mrg(vector<int> &v, vector<int> &a, vector<int> &b) {
	for(int l=1, i=0, j=0; i<a.size()||j<b.size(); i+=l, j+=l, l*=2) {
		for(int k=0; k<l&&i+k<a.size(); ++k)
			v.push_back(a[i+k]);
		for(int k=0; k<l&&j+k<b.size(); ++k)
			v.push_back(b[j+k]);
	}
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> n;
	for(int i=1; i<=n; ++i)
		cin >> a[i];
	for(int i=n; i; --i) {
		for(int j=0; i>>j; ++j) {
			for(int k=0; k<1+((i>>j&1)&&i>>j>1); ++k) {
				int b=i>>j^k, c=j*2+k;
				if(2*i+1<=n) {
					if(a[2*i+1]<a[b]&&a[2*i+1]<a[2*i]) {
						v1={a[2*i+1]};
						v2={a[2*i+1]};
						mrg(v1, dp[2*i][0], dp[2*i+1][c+2]);
						mrg(v2, dp[2*i][c+2], dp[2*i+1][1]);
						dp[i][c]=min(v1, v2);
					} else {
						dp[i][c]={min(a[b], a[2*i])};
						mrg(dp[i][c], dp[2*i][a[b]>a[2*i]?c+2:0], dp[2*i+1][0]);
					}
				} else if(2*i<=n)
					dp[i][c]={min(a[b], a[2*i]), max(a[b], a[2*i])};
				else
					dp[i][c]={a[b]};
			}
		}
	}
	for(int b : dp[1][0])
		cout << b << " ";
}

Compilation message

swap.cpp: In function 'void mrg(std::vector<int>&, std::vector<int>&, std::vector<int>&)':
swap.cpp:9:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int l=1, i=0, j=0; i<a.size()||j<b.size(); i+=l, j+=l, l*=2) {
                         ~^~~~~~~~~
swap.cpp:9:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int l=1, i=0, j=0; i<a.size()||j<b.size(); i+=l, j+=l, l*=2) {
                                     ~^~~~~~~~~
swap.cpp:10:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int k=0; k<l&&i+k<a.size(); ++k)
                     ~~~^~~~~~~~~
swap.cpp:12:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int k=0; k<l&&j+k<b.size(); ++k)
                     ~~~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 161 ms 169436 KB Output is correct
2 Correct 153 ms 169552 KB Output is correct
3 Correct 154 ms 169632 KB Output is correct
4 Correct 149 ms 169632 KB Output is correct
5 Correct 155 ms 169632 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 161 ms 169436 KB Output is correct
2 Correct 153 ms 169552 KB Output is correct
3 Correct 154 ms 169632 KB Output is correct
4 Correct 149 ms 169632 KB Output is correct
5 Correct 155 ms 169632 KB Output is correct
6 Correct 149 ms 169632 KB Output is correct
7 Correct 152 ms 169632 KB Output is correct
8 Correct 150 ms 169632 KB Output is correct
9 Correct 155 ms 169632 KB Output is correct
10 Correct 152 ms 169752 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 161 ms 169436 KB Output is correct
2 Correct 153 ms 169552 KB Output is correct
3 Correct 154 ms 169632 KB Output is correct
4 Correct 149 ms 169632 KB Output is correct
5 Correct 155 ms 169632 KB Output is correct
6 Correct 149 ms 169632 KB Output is correct
7 Correct 152 ms 169632 KB Output is correct
8 Correct 150 ms 169632 KB Output is correct
9 Correct 155 ms 169632 KB Output is correct
10 Correct 152 ms 169752 KB Output is correct
11 Correct 153 ms 170204 KB Output is correct
12 Correct 152 ms 170360 KB Output is correct
13 Correct 153 ms 170360 KB Output is correct
14 Correct 155 ms 170360 KB Output is correct
15 Correct 157 ms 170360 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 161 ms 169436 KB Output is correct
2 Correct 153 ms 169552 KB Output is correct
3 Correct 154 ms 169632 KB Output is correct
4 Correct 149 ms 169632 KB Output is correct
5 Correct 155 ms 169632 KB Output is correct
6 Correct 149 ms 169632 KB Output is correct
7 Correct 152 ms 169632 KB Output is correct
8 Correct 150 ms 169632 KB Output is correct
9 Correct 155 ms 169632 KB Output is correct
10 Correct 152 ms 169752 KB Output is correct
11 Correct 153 ms 170204 KB Output is correct
12 Correct 152 ms 170360 KB Output is correct
13 Correct 153 ms 170360 KB Output is correct
14 Correct 155 ms 170360 KB Output is correct
15 Correct 157 ms 170360 KB Output is correct
16 Correct 395 ms 228172 KB Output is correct
17 Correct 405 ms 228248 KB Output is correct
18 Correct 406 ms 228380 KB Output is correct
19 Correct 380 ms 228436 KB Output is correct
20 Correct 392 ms 228508 KB Output is correct

Subtask #5
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 161 ms 169436 KB Output is correct
2 Correct 153 ms 169552 KB Output is correct
3 Correct 154 ms 169632 KB Output is correct
4 Correct 149 ms 169632 KB Output is correct
5 Correct 155 ms 169632 KB Output is correct
6 Correct 149 ms 169632 KB Output is correct
7 Correct 152 ms 169632 KB Output is correct
8 Correct 150 ms 169632 KB Output is correct
9 Correct 155 ms 169632 KB Output is correct
10 Correct 152 ms 169752 KB Output is correct
11 Correct 153 ms 170204 KB Output is correct
12 Correct 152 ms 170360 KB Output is correct
13 Correct 153 ms 170360 KB Output is correct
14 Correct 155 ms 170360 KB Output is correct
15 Correct 157 ms 170360 KB Output is correct
16 Correct 395 ms 228172 KB Output is correct
17 Correct 405 ms 228248 KB Output is correct
18 Correct 406 ms 228380 KB Output is correct
19 Correct 380 ms 228436 KB Output is correct
20 Correct 392 ms 228508 KB Output is correct
21 Runtime error 429 ms 263168 KB Execution killed with signal 9 (could be triggered by violating memory limits)
22 Halted 0 ms 0 KB -