oj.uz

Submission #1034927

# Submission time Handle Problem Language Result Execution time Memory
1034927 2024-07-25T22:00:07 Z pera Divide and conquer (IZhO14_divide) C++17
17 / 100
 100 ms 2816 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] = 1e10;
   x[0] = -1e9;
   //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 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 2 ms 2648 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 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 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 2 ms 2648 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 2 ms 2648 KB Output is correct
14 Correct 2 ms 2652 KB Output is correct
15 Correct 9 ms 2652 KB Output is correct
16 Correct 22 ms 2816 KB Output is correct
17 Correct 45 ms 2652 KB Output is correct
18 Incorrect 100 ms 2652 KB Output isn't correct
19 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 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 2 ms 2648 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 2 ms 2648 KB Output is correct
14 Correct 2 ms 2652 KB Output is correct
15 Correct 9 ms 2652 KB Output is correct
16 Correct 22 ms 2816 KB Output is correct
17 Correct 45 ms 2652 KB Output is correct
18 Incorrect 100 ms 2652 KB Output isn't correct
19 Halted 0 ms 0 KB -