Submission #1055321

#	Time	Username	Problem	Language	Result	Execution time	Memory
1055321		YassirSalama	Financial Report (JOI21_financial)	C++17	28 / 100	4056 ms	1048576 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define F first
#define S second
const int maxn=3e5+100;
#define all(v) v.begin(),v.end()
signed main(){
    int n,d;
    cin>>n>>d;
    vector<int> v(n);
    for(int i=0;i<n;i++){
        cin>>v[i];
    }
    vector<int> c=v;c.insert(c.begin(),-1);sort(all(c));c.erase(unique(all(c)),c.end());
    map<int,int> mp;for(int i=0;i<c.size();i++) mp[c[i]]=i;
    int dp[n][c.size()];
    memset(dp,0,sizeof(dp));
    dp[0][mp[v[0]]]=1;
    for(int i=1;i<n;i++){
        int t=mp[v[i]];
        for(int k=i-1;k>=0&&k>=i-d;k--){
            for(int j=0;j<c.size();j++){
                if(t>j){
                    dp[i][t]=max(dp[i][t],dp[k][j]+1);
                }else{
                    dp[i][j]=max(dp[i][j],dp[k][j]);
                }
            }
        }
    }
    int ans=0;
    for(int i=0;i<c.size();i++) ans=max(ans,dp[n-1][i]);
    cout<<ans<<endl;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:16:34: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     map<int,int> mp;for(int i=0;i<c.size();i++) mp[c[i]]=i;
      |                                 ~^~~~~~~~~
Main.cpp:23:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |             for(int j=0;j<c.size();j++){
      |                         ~^~~~~~~~~
Main.cpp:33:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     for(int i=0;i<c.size();i++) ans=max(ans,dp[n-1][i]);
      |                 ~^~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 0 / 20
• Subtask 4: 0 / 12
• Subtask 5: 0 / 5
• Subtask 6: 0 / 35