Submission #476334

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
476334	2021-09-26 04:34:15	palilo	오렌지 출하 (JOI16_ho_t1)	C++17	100 / 100	54 ms	720 KiB

2016_ho_t1

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#include <bits/stdc++.h>
using namespace std;
template <class T>
bool chmin(T& _old, T _new) { return _old > _new && (_old = _new, true); }
template <class T>
bool chmax(T& _old, T _new) { return _old < _new && (_old = _new, true); }
int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
#ifdef palilo
    freopen("in", "r", stdin);
    freopen("out", "w", stdout);
#endif
    constexpr int64_t INF = 0x3f3f3f3f3f3f3f3f;
    int n, m, k;
    cin >> n >> m >> k;
    vector<int> a(n);
    for (auto& x : a) {
        cin >> x;
    }
    vector dp(n + 1, INF);
    dp[0] = 0;
    for (int i = 0; i < n; ++i) {
        int mn = INT_MAX, mx = INT_MIN;
        for (int j = i + 1, ed = min(i + m, n); j <= ed; ++j) {
            chmin(mn, a[j - 1]), chmax(mx, a[j - 1]);
            chmin(dp[j], dp[i] + k + int64_t(j - i) * (mx - mn));
        }
    }
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 50 / 50
• Subtask 3: 30 / 30