Submission #1029675

# Submission time Handle Problem Language Result Execution time Memory
1029675 2024-07-21T08:03:15 Z MMihalev Swap (BOI16_swap) C++14
68 / 100
668 ms 262144 KB
#include<iostream>
#include<algorithm>
#include<iomanip>
#include<cmath>
#include<cstring>
#include<vector>
#include<queue>
#include<stack>
#include<tuple>
#include<set>
#include<map>
#include<random>
#include<chrono>
#include<array>
#include<unordered_map>
using namespace std;
const int MAX_N=2e5+2;
unordered_map<int,vector<int>>dp[MAX_N];
unordered_map<int,bool>calc[MAX_N];
int a[MAX_N];
int n;
vector<int> Merge(int u,vector<int>& Left,vector<int>& Right)
{
    vector<int>res;
    res.push_back(u);
    int nums=1;
    int idxL=0;
    int idxR=0;
    while(idxL<Left.size() or idxR<Right.size())
    {
        int cur=nums;
        while(idxL<Left.size() && cur--)res.push_back(Left[idxL++]);
        cur=nums;
        while(idxR<Right.size() && cur--)res.push_back(Right[idxR++]);
        nums*=2;
    }
    return res;
}
void rec(int u,int val)
{
    if(u>n)return;
    if(calc[u][val])return;

    int l=n+1,r=n+1,al=n+1,ar=n+1;
    if(2*u<=n){l=2*u;al=a[2*u];}
    if(2*u+1<=n){r=2*u+1;ar=a[2*u+1];}

    if(val<min(al,ar))
    {
        rec(l,al);
        rec(r,ar);
        dp[u][val]=Merge(val,dp[l][al],dp[r][ar]);
    }
    else if(al<min(val,ar))
    {
        rec(l,val);
        rec(r,ar);
        dp[u][val]=Merge(al,dp[l][val],dp[r][ar]);
    }
    else
    {
        rec(l,al);rec(l,val);
        rec(r,al);rec(r,val);
        dp[u][val]=min(Merge(ar,dp[l][al],dp[r][val]),
                       Merge(ar,dp[l][val],dp[r][al]));
    }
    calc[u][val]=1;
}
signed main ()
{
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
    }
    rec(1,a[1]);
    for(int x:dp[1][a[1]])cout<<x<<" ";
    cout<<"\n";
    return 0;
}

Compilation message

swap.cpp: In function 'std::vector<int> Merge(int, std::vector<int>&, std::vector<int>&)':
swap.cpp:29:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     while(idxL<Left.size() or idxR<Right.size())
      |           ~~~~^~~~~~~~~~~~
swap.cpp:29:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     while(idxL<Left.size() or idxR<Right.size())
      |                               ~~~~^~~~~~~~~~~~~
swap.cpp:32:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |         while(idxL<Left.size() && cur--)res.push_back(Left[idxL++]);
      |               ~~~~^~~~~~~~~~~~
swap.cpp:34:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |         while(idxR<Right.size() && cur--)res.push_back(Right[idxR++]);
      |               ~~~~^~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 5 ms 22872 KB Output is correct
2 Correct 5 ms 22876 KB Output is correct
3 Correct 5 ms 22876 KB Output is correct
4 Correct 5 ms 22872 KB Output is correct
5 Correct 5 ms 22932 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 22872 KB Output is correct
2 Correct 5 ms 22876 KB Output is correct
3 Correct 5 ms 22876 KB Output is correct
4 Correct 5 ms 22872 KB Output is correct
5 Correct 5 ms 22932 KB Output is correct
6 Correct 5 ms 22872 KB Output is correct
7 Correct 5 ms 22876 KB Output is correct
8 Correct 5 ms 22972 KB Output is correct
9 Correct 5 ms 22876 KB Output is correct
10 Correct 4 ms 22876 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 22872 KB Output is correct
2 Correct 5 ms 22876 KB Output is correct
3 Correct 5 ms 22876 KB Output is correct
4 Correct 5 ms 22872 KB Output is correct
5 Correct 5 ms 22932 KB Output is correct
6 Correct 5 ms 22872 KB Output is correct
7 Correct 5 ms 22876 KB Output is correct
8 Correct 5 ms 22972 KB Output is correct
9 Correct 5 ms 22876 KB Output is correct
10 Correct 4 ms 22876 KB Output is correct
11 Correct 6 ms 23388 KB Output is correct
12 Correct 8 ms 23388 KB Output is correct
13 Correct 6 ms 23388 KB Output is correct
14 Correct 8 ms 24224 KB Output is correct
15 Correct 8 ms 24156 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 22872 KB Output is correct
2 Correct 5 ms 22876 KB Output is correct
3 Correct 5 ms 22876 KB Output is correct
4 Correct 5 ms 22872 KB Output is correct
5 Correct 5 ms 22932 KB Output is correct
6 Correct 5 ms 22872 KB Output is correct
7 Correct 5 ms 22876 KB Output is correct
8 Correct 5 ms 22972 KB Output is correct
9 Correct 5 ms 22876 KB Output is correct
10 Correct 4 ms 22876 KB Output is correct
11 Correct 6 ms 23388 KB Output is correct
12 Correct 8 ms 23388 KB Output is correct
13 Correct 6 ms 23388 KB Output is correct
14 Correct 8 ms 24224 KB Output is correct
15 Correct 8 ms 24156 KB Output is correct
16 Correct 75 ms 52000 KB Output is correct
17 Correct 97 ms 51844 KB Output is correct
18 Correct 98 ms 52108 KB Output is correct
19 Correct 569 ms 139892 KB Output is correct
20 Correct 543 ms 138820 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 22872 KB Output is correct
2 Correct 5 ms 22876 KB Output is correct
3 Correct 5 ms 22876 KB Output is correct
4 Correct 5 ms 22872 KB Output is correct
5 Correct 5 ms 22932 KB Output is correct
6 Correct 5 ms 22872 KB Output is correct
7 Correct 5 ms 22876 KB Output is correct
8 Correct 5 ms 22972 KB Output is correct
9 Correct 5 ms 22876 KB Output is correct
10 Correct 4 ms 22876 KB Output is correct
11 Correct 6 ms 23388 KB Output is correct
12 Correct 8 ms 23388 KB Output is correct
13 Correct 6 ms 23388 KB Output is correct
14 Correct 8 ms 24224 KB Output is correct
15 Correct 8 ms 24156 KB Output is correct
16 Correct 75 ms 52000 KB Output is correct
17 Correct 97 ms 51844 KB Output is correct
18 Correct 98 ms 52108 KB Output is correct
19 Correct 569 ms 139892 KB Output is correct
20 Correct 543 ms 138820 KB Output is correct
21 Correct 484 ms 143152 KB Output is correct
22 Correct 495 ms 144124 KB Output is correct
23 Correct 499 ms 144288 KB Output is correct
24 Runtime error 668 ms 262144 KB Execution killed with signal 9
25 Halted 0 ms 0 KB -