Submission #543872

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
543872	2022-03-31T14:15:00 Z	ala2	Go (COCI18_go)	C++14	90 / 100	289 ms	479764 KB

go

#include <bits/stdc++.h>
#define int long long
//#define first first
//#define second second
#define pb push_back
#define B begin()
#define E end()
#define FAST ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
using namespace std;
vector < pair< int ,pair<int,int>  >  >v;
const int inf=1e16;
int n,k;
int dp[101][101][2001][3];
const int rr=2001;
int d(int i,int j)
{
    return  abs( v[i].first-v[j].first );
}
int f(int l,int r,int t,int bo)
{
    if(l==0&&r==n-1)
        return 0;
    if(t>2000)
        return 0;
    if(l<0)
        return -inf;
    if(r>=n)
        return -inf;
    if(dp[l][r][t][bo]!=-1)
        return dp[l][r][t][bo];
       // cout<<"    "<<2<<endl;
    if(bo==0)
    {
        int one=f(l-1,r,min(rr,t+d(l-1,l)),0)+( (t+d(l-1,l)<v[l-1].second.second)*v[l-1].second.first );
        int tow=0;
        if(r+1<n)
        tow=f(l,r+1,min(rr,t+d(l,r+1)),1)+( (t+d(l,r+1)<v[r+1].second.second)*v[r+1].second.first );
        return dp[l][r][t][bo]=max(one,tow);
    }
    if(bo==1)
    {
        int one=f(l-1,r,min(rr,t+d(l-1,r)),0)+( (t+d(l-1,r)<v[l-1].second.second)*v[l-1].second.first );
        int tow=0;
        if(r+1<n)
        tow=f(l,r+1,min(rr,t+d(r,r+1)),1)+( (t+d(r,r+1)<v[r+1].second.second)*v[r+1].second.first );
        return dp[l][r][t][bo]=max(one,tow);
    }

}
signed main()
{
    //int n,k;
    memset(dp,-1,sizeof dp);
    map<int,int>m;
    cin>>n>>k>>n;
    for(int i=0;i<n;i++)
    {
        int x,y,z;
        cin>>x>>y>>z;
        m[x]=1;
        v.pb( {x,{y,z}} );
    }
    if(m[k]==0)
    {
        v.pb( {k,{0,0}} );
        n++;
    }
    sort(v.B,v.E);
    for(int i=0;i<n;i++)
    {
        if(v[i].first==k)
        {
            cout<<f(i,i,0,0)<<endl;
        }
    }





}

Compilation message

go.cpp: In function 'long long int f(long long int, long long int, long long int, long long int)':
go.cpp:49:1: warning: control reaches end of non-void function [-Wreturn-type]
   49 | }
      | ^

Subtask #1

90.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	174 ms	479576 KB	Output is correct
2	Correct	178 ms	479620 KB	Output is correct
3	Correct	172 ms	479584 KB	Output is correct
4	Correct	174 ms	479712 KB	Output is correct
5	Correct	206 ms	479660 KB	Output is correct
6	Correct	197 ms	479764 KB	Output is correct
7	Correct	251 ms	479728 KB	Output is correct
8	Correct	287 ms	479584 KB	Output is correct
9	Correct	289 ms	479564 KB	Output is correct
10	Incorrect	269 ms	479636 KB	Output isn't correct