답안 #544009

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
544009	2022-03-31T19:46:09 Z	ala2	Go (COCI18_go)	C++14	90 / 100	316 ms	479644 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(t>2000)
            return 0;
        if(l==0&&r==n-1)
            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:49:5: warning: control reaches end of non-void function [-Wreturn-type]
   49 |     }
      |     ^

Subtask #1

90.0 / 100.0

#	결과	실행 시간	메모리	Grader output
1	Correct	232 ms	479536 KB	Output is correct
2	Correct	228 ms	479588 KB	Output is correct
3	Correct	189 ms	479564 KB	Output is correct
4	Correct	191 ms	479596 KB	Output is correct
5	Correct	241 ms	479556 KB	Output is correct
6	Correct	203 ms	479644 KB	Output is correct
7	Correct	257 ms	479564 KB	Output is correct
8	Correct	278 ms	479640 KB	Output is correct
9	Correct	304 ms	479644 KB	Output is correct
10	Incorrect	316 ms	479564 KB	Output isn't correct