Submission #1020752

#	Time	Username	Problem	Language	Result	Execution time	Memory
1020752		adrielcp	Building Bridges (CEOI17_building)	C++17	30 / 100	3042 ms	3676 KiB

building

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define lld double
#define int ll
#define usaco(fname) freopen(#fname ".in","r",stdin);freopen(#fname ".out","w",stdout);
template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; }
template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { os << '{'; string sep; for (const T &x : v) os << sep << x, sep = ", "; return os << '}'; }
// const ll INF = 1e18;
const int INF = 1e18;
const int mod = 1e9+7;
const lld PI = acos(-1.0);
int di[] = {1, -1, 0, 0, 1, 1, -1, -1};
int dj[] = {0, 0, 1, -1, 1, -1, 1, -1};
#define debug(x) cout << #x << ": " << x << endl;
#define add(a, b) a += b, a %= mod
#define mul(a, b) ((a % mod) * (b % mod)) % mod
#define all(x) x.begin(),x.end()

void solve() {
  int n;cin>>n;
  vector<int> h(n), b(n), dp(n, INF);
  for (int i = 0; i < n; i++) cin >> h[i];
  for (int i = 0; i < n; i++) {
    cin >> b[i];
    if (i > 0) b[i] += b[i-1];
  }

  dp[0]=0;
  for (int i = 0; i < n; i++) {
    for (int j = i+1; j < n; j++) {
      dp[j] = min(dp[j], (h[j] - h[i]) * (h[j] - h[i]) + b[j-1] - b[i] + dp[i]);
    }
  }
  
  cout << dp[n-1] << endl;
}

int32_t main() {
  ios_base::sync_with_stdio(0);cin.tie(0);
  int t=1;
  while(t--) solve();

  return 0;
}

• Subtask 1: 30 / 30
• Subtask 2: 0 / 30
• Subtask 3: 0 / 40