oj.uz

Submission #1035925

# Submission time Handle Problem Language Result Execution time Memory
1035925 2024-07-26T19:37:32 Z pera Divide and conquer (IZhO14_divide) C++17
17 / 100
 1000 ms 2908 KB 
#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N = 1e5 + 1;
int n , ans = 0;
vector<int> x(N) , g(N) , d(N);
void solve(int l , int r){
   if(l > r){
      return;
   }
   int m = (l + r) / 2;
   for(int L = l;L <= m;L ++){
      for(int R = m;R <= r;R ++){
         int e = 0 , s = 0;
         for(int i = L;i <= R;i ++){
            e += d[i];
            s += g[i];
         }
         if(e == x[R] - x[L] + 1){
            ans = max(ans , s);
         }
      }
   }
   solve(l , m - 1);
   solve(m + 1 , r);
}
main(){
   cin >> n;
   for(int i = 1;i <= n;i ++){
      cin >> x[i] >> g[i] >> d[i];
   }
   x[n + 1] = 1e15;
   x[0] = -1e15;
   //solve(1 , n);
   for(int L = 1;L <= n;L ++){
      for(int R = L;R <= n;R ++){
         int s = 0 , e = 0;
         for(int i = L;i <= R;i ++){
            e += d[i];
            s += g[i];
         }
         if(x[R + 1] - x[L - 1] >= e && e >= x[R] - x[L]){
            ans = max(ans , s);
         }
      }
   }
   cout << ans << endl;
}

Compilation message

divide.cpp:27:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   27 | main(){
      | ^~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2712 KB Output is correct
6 Correct 2 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2648 KB Output is correct
9 Correct 1 ms 2804 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 2 ms 2648 KB Output is correct

Subtask #2
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2712 KB Output is correct
6 Correct 2 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2648 KB Output is correct
9 Correct 1 ms 2804 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 2 ms 2648 KB Output is correct
13 Correct 2 ms 2652 KB Output is correct
14 Correct 2 ms 2652 KB Output is correct
15 Correct 9 ms 2812 KB Output is correct
16 Correct 22 ms 2652 KB Output is correct
17 Correct 44 ms 2652 KB Output is correct
18 Correct 101 ms 2652 KB Output is correct
19 Correct 63 ms 2800 KB Output is correct
20 Correct 62 ms 2652 KB Output is correct
21 Correct 218 ms 2796 KB Output is correct
22 Correct 463 ms 2808 KB Output is correct
23 Execution timed out 1060 ms 2908 KB Time limit exceeded
24 Halted 0 ms 0 KB -

Subtask #3
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2712 KB Output is correct
6 Correct 2 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2648 KB Output is correct
9 Correct 1 ms 2804 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 2 ms 2648 KB Output is correct
13 Correct 2 ms 2652 KB Output is correct
14 Correct 2 ms 2652 KB Output is correct
15 Correct 9 ms 2812 KB Output is correct
16 Correct 22 ms 2652 KB Output is correct
17 Correct 44 ms 2652 KB Output is correct
18 Correct 101 ms 2652 KB Output is correct
19 Correct 63 ms 2800 KB Output is correct
20 Correct 62 ms 2652 KB Output is correct
21 Correct 218 ms 2796 KB Output is correct
22 Correct 463 ms 2808 KB Output is correct
23 Execution timed out 1060 ms 2908 KB Time limit exceeded
24 Halted 0 ms 0 KB -