Submission #568181

#	Time	Username	Problem	Language	Result	Execution time	Memory
568181		aryan12	Road Closures (APIO21_roads)	C++17	7 / 100	76 ms	9172 KiB

roads

#include "roads.h"
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 1e5 + 5;
vector<array<long long, 2> > g[MAXN];

vector<long long> minimum_closure_costs(int N, vector<int> U, vector<int> V, vector<int> W)
{
    // sort(W.begin(), W.end());
    long long sum = 0;
    vector<long long> ans;
    for(long long i = 0; i < W.size(); i++)
    {
        sum += (long long)W[i];
    }
    // for(long long i = W.size() - 1; i >= 0; i--)
    // {
    //     // ans.push_back(sum);
    //     sum -= W[i];
    // }
    ans.push_back(sum);
    vector<long long> dp(N, 1e15);
    dp[0] = 0;
    dp[1] = W[0];
    for(int i = 2; i < N; i++)
    {
        dp[i] = min(dp[i - 1], dp[i - 2]) + W[i - 1];
    }
    ans.push_back(min(dp[N - 1], dp[N - 2]));
    for(int i = 2; i < N; i++)
    {
        ans.push_back(0);
    }
    return ans;
}

// std::vector<long long> minimum_closure_costs(int N, std::vector<int> U,
//                                              std::vector<int> V,
//                                              std::vector<int> W) {
//   return std::vector<long long>(N, 0);
// }

Compilation message (stderr)

roads.cpp: In function 'std::vector<long long int> minimum_closure_costs(int, std::vector<int>, std::vector<int>, std::vector<int>)':
roads.cpp:13:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for(long long i = 0; i < W.size(); i++)
      |                          ~~^~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 7 / 7
• Subtask 3: 0 / 14
• Subtask 4: 0 / 10
• Subtask 5: 0 / 17
• Subtask 6: 0 / 25
• Subtask 7: 0 / 22