Submission #1091821

#	Time	Username	Problem	Language	Result	Execution time	Memory
1091821		modwwe	Robots (APIO13_robots)	C++17	0 / 100	2 ms	344 KiB

robots

//#include "game.h"
//#pragma GCC optimize("conserve-stack")
#pragma GCC optimize("Ofast,unroll-loops")
#include<bits/stdc++.h>
#define int long long
#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP     ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
#define getchar_unlocked getchar

inline int scan()
{
    char c = getchar_unlocked();
    int x = 0;
    while(c<'0'||c>'9')
    {
        c=getchar_unlocked();
    }
    while(c>='0'&&c<='9')
    {
        x=(x<<1)+(x<<3)+c-'0';
        c=getchar_unlocked();
    }
    return x;
}

void phongbeo();
const int inf=1e9;
const int mod2=1e9+9;
const int  mod1=998244353;
struct icd
{
    long double a;
    int b;
};
struct ib
{
    int a;
    int b;
};
struct ic
{
    int a,b,c;
};
struct id
{
    int a,b,c,d;
};
struct ie
{
    int a,b,c,d,e;

};

int n,m,s1,s2,s4,s3,sf,k,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,s33,dem3,dem4,l,r,mid,l2,r2,center;
int  i,s10,s12;
int kk;
int el=19;

main()
{
//#ifndef ONLINE_JUDGE
    fin(task);
    fou(task);
//#endif
    NHP
    /// cin>>s1;
///modwwe
    phongbeo(),down
    // checktime
}
int a[2001];
vector<int> vv;
int dp[2002][2002];
int st[11][2001];
int dp2[2002][2002];
int f[2002];
int get(int l,int r)
{
    int kk=log2(r-l+1);
    return min(st[kk][l],st[kk][r-(1<<kk)+1]);
}
void phongbeo()
{
    cin>>n>>m;
    for(int i=1; i<=n; i++)
        cin>>a[i],vv.pb(a[i]);
    sort(vv.begin(),vv.end());
    vv.erase(unique(vv.begin(), vv.end()), vv.end());
    for(int i=1; i<=n; i++)
    {
        st[0][i]=lower_bound(vv.begin(),vv.end(),a[i])-vv.begin()+1;
    }
    for(int i=1; i<11; i++)
        for(int j=1; j+(1<<i)-1<=n; j++)
            st[i][j]=min(st[i-1][j],st[i-1][j+(1<<(i-1))]);
    k=vv.size();
 for(int i=2;i<=n;i++)
    for(int j=1;j<=k;j++)
     dp[i][j]=dp2[i][j]=-inf;
    for(int j=1;j<=k;j++)
 dp2[1][j]=-inf;
        s6=0;
    for(int i=1; i<=n; i++)
    {
        s9=inf;
         f[1]=dp[i][1];
 for(int j=2;j<=k;j++)
 f[j]=max(dp[i][j],f[j-1]);
        for(int j=k-1; j>=1; --j)
            dp[i][j]=max(dp[i][j+1],dp[i][j]);
        for(int j=2; j<=k; j++)
            dp2[i][j]=max(dp2[i][j],dp2[i][j-1]);
        for(int j=i+1; j<=min(n+1,i+m-1); j++)
        {
            s2=get(i,j-1) ;
            s3=vv[s2-1]*(j-i);
            s4=dp[i][s2]+s3;

            dp[j][k]=max(dp2[i][s2]+s3,dp[j][k]);
            dp[j][s2]=max(dp[j][s2],s4);
        }
        if(i+m<=n){
        s2=get(i,i+m-1) ;
        s3=vv[s2-1]*m;
        s4=dp[i][s2]+s3;
        s4=max(s4,dp2[i][s2]+s3);
        dp[i+m][k]=max(dp[i+m][s2],s4);
        dp2[i+m][s2]=s4;
            s4=inf;
            }
             else
             {
                  s3=n-m+1;
                  s5=get(i,n);
                  cout<<dp[i][s5],down
          //    s6=max(s6,dp2[i][k]+vv[s5-1]*(n+1-i));
                s6=max(s6,dp[i][s5]+vv[s5-1]*(n+1-i));
             }
    }

   cout<<s6;
}

Compilation message (stderr)

robots.cpp:70:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   70 | main()
      | ^~~~
robots.cpp: In function 'void phongbeo()':
robots.cpp:108:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  108 |  for(int i=2;i<=n;i++)
      |  ^~~
robots.cpp:111:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  111 |     for(int j=1;j<=k;j++)
      |     ^~~
robots.cpp: In function 'int main()':
robots.cpp:14:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 | #define fin(x) freopen(x".inp","r",stdin)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
robots.cpp:73:5: note: in expansion of macro 'fin'
   73 |     fin(task);
      |     ^~~
robots.cpp:15:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 | #define fou(x) freopen(x".out","w",stdout)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
robots.cpp:74:5: note: in expansion of macro 'fou'
   74 |     fou(task);
      |     ^~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 30
• Subtask 4: 0 / 40