Submission #1091230

#	Time	Username	Problem	Language	Result	Execution time	Memory
1091230		modwwe	Bali Sculptures (APIO15_sculpture)	C++17	100 / 100	55 ms	600 KiB

sculpture

//#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".ans","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];
namespace sub3
{
    bool dp[101][101];
    bool  check(int x)
    {
         memset(dp,0,sizeof dp);
         dp[0][0]=1;
         for(int i=1;i<=n;i++)
             for(int j=0;j<i;j++){
                    if(a[i]-a[j]>x) continue;
             for(int z=1;z<=i;z++)
                if(dp[j][z-1])
             if(((a[i]-a[j])&x)==a[i]-a[j])
               dp[i][z]=1;}
         for(int i=l;i<=r;i++)
            if(dp[n][i])
             return 1;
          return 0;
    }
    void solve()
    {
        for(int i=1; i<=n; i++)
            cin>>a[i];
            s2=(1ll<<40)-1;
            for(int i=1;i<=n;i++)
                a[i]+=a[i-1];
        for(int i=39; i>=0; --i)
        {
            if(!bit(s2,1ll*i)) continue;
            if(check(s2-(1ll<<i)))
                s2-=(1ll<<i);
        }
        cout<<s2,down
    }
};
namespace sub4{
int dp[2001];
 bool check(int x)
  {
       for(int i=1;i<=n;i++)
         dp[i]=n+1;

        for(int i=1;i<=n;i++)
             for(int j=0;j<=i-1;j++)
             { if(a[i]-a[j]>x) continue;
             if(((a[i]-a[j])&x)==a[i]-a[j])
             dp[i]=min(dp[j]+1,dp[i]);
             }
         return dp[n]<=r;
  }
 void solve()
  {
  s2=0;
        for(int i=1; i<=n; i++)
            cin>>a[i];
                        s2=(1ll<<41)-1;

                  for(int i=1;i<=n;i++){
                a[i]+=a[i-1];
                }
        for(int i=40; i>=0; --i)
        {
            if(!bit(s2,i)) continue;
            if(check(s2-(1ll<<i)))
                s2-=(1ll<<i);
        }
        cout<<s2,down
  }
};
void phongbeo()
{
    cin>>n;
     cin>>l>>r;
      if(n<=100) sub3::solve();
      else sub4::solve();
}

Compilation message (stderr)

sculpture.cpp:70:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   70 | main()
      | ^~~~
sculpture.cpp: In function 'void sub3::solve()':
sculpture.cpp:104:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  104 |         for(int i=1; i<=n; i++)
      |         ^~~
sculpture.cpp:106:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  106 |             s2=(1ll<<40)-1;
      |             ^~

• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 21 / 21
• Subtask 4: 25 / 25
• Subtask 5: 29 / 29