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Submission #349382

# Submission time Handle Problem Language Result Execution time Memory
349382 2021-01-17T13:30:03 Z doowey Building Bridges (CEOI17_building) C++14
30 / 100
 3000 ms 3308 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

const int N = (int)1e5 + 10;
const ll inf = (ll)1e18;
int h[N];
ll w[N];
ll dp[N];

ll sq(ll x){
    return (x * 1ll * x);
}

int main(){
    fastIO;
    int n;
    cin >> n;
    for(int i = 1; i <= n; i ++ ){
        cin >> h[i];
    }
    for(int i = 1; i <= n; i ++ ){
        cin >> w[i];
        w[i] += w[i - 1];
        dp[i]=inf;
    }
    dp[1]=0;
    for(int i = 2; i <= n; i ++ ){
        for(int j = i - 1; j >= 1; j -- ){
            dp[i]=min(dp[i],(w[i-1]-w[j])+sq(h[i]-h[j])+dp[j]);
        }
    }
    cout << dp[n];
    return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3071 ms 3308 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 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Execution timed out 3071 ms 3308 KB Time limit exceeded
7 Halted 0 ms 0 KB -