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Submission #976968

# Submission time Handle Problem Language Result Execution time Memory
976968 2024-05-07T09:49:58 Z duckindog Building Bridges (CEOI17_building) C++17
30 / 100
 3000 ms 3212 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 100'000 + 10;
int n;
int h[N], w[N];
int d[N];
long long f[N];

int32_t main() { 
  cin.tie(0)->sync_with_stdio(0);

  cin >> n;
  for (int i = 1; i <= n; ++i) cin >> h[i];
  for (int i = 1; i <= n; ++i) cin >> w[i];

  for (int i = 1; i <= n; ++i) d[i] = d[i - 1] + w[i];

  memset(f, 40, sizeof f);
  f[1] = 0;
  for (int i = 1; i <= n; ++i) { 
    auto& ret = f[i];
    for (int j = 1; j < i; ++j) ret = min(ret, f[j] + 1ll * (h[i] - h[j]) * (h[i] - h[j]) + d[i - 1] - d[j]);
  }

  cout << f[n] << "\n";
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Correct 1 ms 1116 KB Output is correct
3 Correct 1 ms 1244 KB Output is correct
4 Correct 2 ms 1116 KB Output is correct
5 Correct 2 ms 1116 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3036 ms 3212 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Correct 1 ms 1116 KB Output is correct
3 Correct 1 ms 1244 KB Output is correct
4 Correct 2 ms 1116 KB Output is correct
5 Correct 2 ms 1116 KB Output is correct
6 Execution timed out 3036 ms 3212 KB Time limit exceeded
7 Halted 0 ms 0 KB -