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Submission #952543

# Submission time Handle Problem Language Result Execution time Memory
952543 2024-03-24T07:59:54 Z nguyennh Divide and conquer (IZhO14_divide) C++14
48 / 100
 18 ms 732 KB 
#include<bits/stdc++.h>
#define el '\n'
using namespace std ;

const int MN = 1e5 + 6;

int x[MN] , g[MN] , d[MN] , n;

namespace sub_trau{
  void solve(){
    int64_t ans = 0;
    vector<int64_t> pref_gold(n + 5) , pref_en(n + 5);
    for ( int i = 1 ; i <= n ; i++ ){
      pref_gold[i] = pref_gold[i - 1] + g[i];
      pref_en[i] = pref_en[i - 1] + d[i];
    }
    for ( int i = 1 ; i <= n ; i++ ){
      for ( int j = i ; j <= n ; j++ ){
        if (pref_en[j] - pref_en[i - 1] >= x[j] - x[i]) ans = max(ans , pref_gold[j] - pref_gold[i - 1]);
      }
    }
    cout << ans;
  }
}

int32_t main (){
//  freopen("divide.inp" , "r" , stdin);
//  freopen("divide.out" , "w" , stdout);
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cin >> n;
  for ( int i = 1 ; i <= n ; i++ ) cin >> x[i] >> g[i] >> d[i];
  if (n <= 5000) sub_trau::solve();
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 504 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 504 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 2 ms 512 KB Output is correct
23 Correct 10 ms 604 KB Output is correct
24 Correct 10 ms 732 KB Output is correct

Subtask #3
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 504 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 2 ms 512 KB Output is correct
23 Correct 10 ms 604 KB Output is correct
24 Correct 10 ms 732 KB Output is correct
25 Correct 18 ms 664 KB Output is correct
26 Incorrect 2 ms 600 KB Output isn't correct
27 Halted 0 ms 0 KB -