Submission #344923

#	Time	Username	Problem	Language	Result	Execution time	Memory
344923		kkk	Divide and conquer (IZhO14_divide)	C++14	0 / 100	1 ms	364 KiB

divide

#include<iostream>
#include<cstring>
#define endl '\n'
using namespace std;
long long m[100003][4],dp[100003],used[5002],maxi,n;
void mine(long long ind,long long mg,long long en)
{
    long long i;
    //if(used[ind])return mg;
    long long p=0;
    maxi=max(maxi,mg);
    for(i=ind-1;i>=0;i--)
    {
        if(used[i])continue;
        if(m[ind][0]-m[i][0]>en)break;
        used[i]=1;mine(i,mg+m[i][1],m[i][2]);
        used[i]=0;
    }
     for(i=ind+1;i<n;i++)
    {
        if(used[i])continue;
        if(m[i][0]-m[ind][0]>en)break;
        used[i]=1;mine(i,mg+m[i][1],m[i][2]);
        used[i]=0;
    }
    return;
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    long long i,mm=0;
    cin>>n;
    for(i=0;i<n;i++)
    {
        cin>>m[i][0]>>m[i][1]>>m[i][2];
    }
    for(i=0;i<n;i++)
    {
        used[i]=1;
        maxi=0;
      mine(i,m[i][1],m[i][2]);
      // cout<<maxi<<endl;
        memset(used,0,sizeof(used));
    }
    cout<<maxi<<endl;

}

Compilation message (stderr)

divide.cpp: In function 'void mine(long long int, long long int, long long int)':
divide.cpp:10:15: warning: unused variable 'p' [-Wunused-variable]
   10 |     long long p=0;
      |               ^
divide.cpp: In function 'int main()':
divide.cpp:33:17: warning: unused variable 'mm' [-Wunused-variable]
   33 |     long long i,mm=0;
      |                 ^~

• Subtask 1: 0 / 17
• Subtask 2: 0 / 31
• Subtask 3: 0 / 52