oj.uz

Submission #344923

# Submission time Handle Problem Language Result Execution time Memory
344923 2021-01-06T18:34:50 Z kkk Divide and conquer (IZhO14_divide) C++14
0 / 100
 1 ms 364 KB 
#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

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 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct
3 Halted 0 ms 0 KB -