Submission #1029686

# Submission time Handle Problem Language Result Execution time Memory
1029686 2024-07-21T08:11:37 Z MMihalev Swap (BOI16_swap) C++14
68 / 100
551 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=5e5+2;
map<int,vector<int>>dp[MAX_N];
map<int,bool>calc[MAX_N];
int a[MAX_N];
int n;
void Merge(vector<int>& res,vector<int>& Left,vector<int>& Right)
{
    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;
    }
}
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].push_back(val);
        Merge(dp[u][val],dp[l][al],dp[r][ar]);
    }
    else if(al<min(val,ar))
    {
        rec(l,val);
        rec(r,ar);

        dp[u][val].push_back(al);
        Merge(dp[u][val],dp[l][val],dp[r][ar]);
    }
    else
    {
        vector<int>ans1,ans2;
        rec(l,al);rec(l,val);
        rec(r,al);rec(r,val);
        ans1.push_back(ar);ans2.push_back(ar);
        Merge(ans1,dp[l][al],dp[r][val]);
        Merge(ans2,dp[l][val],dp[r][al]);
        dp[u][val]=min(ans1,ans2);
    }
    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 'void Merge(std::vector<int>&, std::vector<int>&, std::vector<int>&)':
swap.cpp:27:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     while(idxL<Left.size() or idxR<Right.size())
      |           ~~~~^~~~~~~~~~~~
swap.cpp:27:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     while(idxL<Left.size() or idxR<Right.size())
      |                               ~~~~^~~~~~~~~~~~~
swap.cpp:30:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |         while(idxL<Left.size() && cur--)res.push_back(Left[idxL++]);
      |               ~~~~^~~~~~~~~~~~
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(idxR<Right.size() && cur--)res.push_back(Right[idxR++]);
      |               ~~~~^~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 8 ms 48988 KB Output is correct
2 Correct 9 ms 49108 KB Output is correct
3 Correct 8 ms 49120 KB Output is correct
4 Correct 9 ms 48988 KB Output is correct
5 Correct 8 ms 48988 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 8 ms 48988 KB Output is correct
2 Correct 9 ms 49108 KB Output is correct
3 Correct 8 ms 49120 KB Output is correct
4 Correct 9 ms 48988 KB Output is correct
5 Correct 8 ms 48988 KB Output is correct
6 Correct 8 ms 48988 KB Output is correct
7 Correct 9 ms 48988 KB Output is correct
8 Correct 9 ms 48984 KB Output is correct
9 Correct 9 ms 48988 KB Output is correct
10 Correct 8 ms 49176 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 8 ms 48988 KB Output is correct
2 Correct 9 ms 49108 KB Output is correct
3 Correct 8 ms 49120 KB Output is correct
4 Correct 9 ms 48988 KB Output is correct
5 Correct 8 ms 48988 KB Output is correct
6 Correct 8 ms 48988 KB Output is correct
7 Correct 9 ms 48988 KB Output is correct
8 Correct 9 ms 48984 KB Output is correct
9 Correct 9 ms 48988 KB Output is correct
10 Correct 8 ms 49176 KB Output is correct
11 Correct 9 ms 49496 KB Output is correct
12 Correct 10 ms 49612 KB Output is correct
13 Correct 10 ms 49500 KB Output is correct
14 Correct 13 ms 50520 KB Output is correct
15 Correct 11 ms 50448 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 8 ms 48988 KB Output is correct
2 Correct 9 ms 49108 KB Output is correct
3 Correct 8 ms 49120 KB Output is correct
4 Correct 9 ms 48988 KB Output is correct
5 Correct 8 ms 48988 KB Output is correct
6 Correct 8 ms 48988 KB Output is correct
7 Correct 9 ms 48988 KB Output is correct
8 Correct 9 ms 48984 KB Output is correct
9 Correct 9 ms 48988 KB Output is correct
10 Correct 8 ms 49176 KB Output is correct
11 Correct 9 ms 49496 KB Output is correct
12 Correct 10 ms 49612 KB Output is correct
13 Correct 10 ms 49500 KB Output is correct
14 Correct 13 ms 50520 KB Output is correct
15 Correct 11 ms 50448 KB Output is correct
16 Correct 80 ms 72848 KB Output is correct
17 Correct 76 ms 72652 KB Output is correct
18 Correct 84 ms 73036 KB Output is correct
19 Correct 551 ms 178420 KB Output is correct
20 Correct 512 ms 177192 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 8 ms 48988 KB Output is correct
2 Correct 9 ms 49108 KB Output is correct
3 Correct 8 ms 49120 KB Output is correct
4 Correct 9 ms 48988 KB Output is correct
5 Correct 8 ms 48988 KB Output is correct
6 Correct 8 ms 48988 KB Output is correct
7 Correct 9 ms 48988 KB Output is correct
8 Correct 9 ms 48984 KB Output is correct
9 Correct 9 ms 48988 KB Output is correct
10 Correct 8 ms 49176 KB Output is correct
11 Correct 9 ms 49496 KB Output is correct
12 Correct 10 ms 49612 KB Output is correct
13 Correct 10 ms 49500 KB Output is correct
14 Correct 13 ms 50520 KB Output is correct
15 Correct 11 ms 50448 KB Output is correct
16 Correct 80 ms 72848 KB Output is correct
17 Correct 76 ms 72652 KB Output is correct
18 Correct 84 ms 73036 KB Output is correct
19 Correct 551 ms 178420 KB Output is correct
20 Correct 512 ms 177192 KB Output is correct
21 Correct 354 ms 148064 KB Output is correct
22 Correct 351 ms 149280 KB Output is correct
23 Correct 371 ms 149576 KB Output is correct
24 Runtime error 514 ms 262144 KB Execution killed with signal 9
25 Halted 0 ms 0 KB -