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Submission #250658

# Submission time Handle Problem Language Result Execution time Memory
250658 2020-07-18T15:26:06 Z Sorting Building Bridges (CEOI17_building) C++14
30 / 100
 3000 ms 2596 KB 
#include <bits/stdc++.h>

using namespace std;

const int k_N = 1e5 + 3;
const long long k_Inf = 1e18;

int n;
long long h[k_N], w[k_N];

long long dp[k_N]; 

int main(){
    ios::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n;
    for(int i = 0; i < n; ++i)
        cin >> h[i];
    for(int i = 0; i < n; ++i)
        cin >> w[i];

    dp[n - 1] = 0;
    for(int i = n - 2; i >= 0; --i){
        dp[i] = k_Inf;
        long long sum = 0;
        for(int j = i + 1; j <= n - 1; ++j){
            dp[i] = min(sum + (h[i] - h[j]) * (h[i] - h[j]) + dp[j], dp[i]);
            sum += w[j];
        }
    }

    cout << dp[0] << "\n";
}
/*
6
3 8 7 1 6 6
0 -1 9 1 2 0
*/

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3036 ms 2596 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 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Execution timed out 3036 ms 2596 KB Time limit exceeded
7 Halted 0 ms 0 KB -