Submission #1033586

#	Time	Username	Problem	Language	Result	Execution time	Memory
1033586		vjudge1	Stove (JOI18_stove)	C++17	0 / 100	1 ms	424 KiB

stove

#include <bits/stdc++.h>

using namespace std;

#define fi first
#define se second
#define el '\n'
#define pb push_back
#define mp make_pair
#define niggers                       \
    ios_base::sync_with_stdio(false); \
    cin.tie(NULL);                    \
    cout.tie(NULL);
#define file(name)                    \
    freopen(name ".inp", "r", stdin); \
    freopen(name ".out", "w", stdout);

typedef long long ll;
typedef pair<long long, long long> pll;
typedef pair<int, int> pii;
typedef vector<long long> vll;
typedef vector<int> vi;

const ll MOD = 1e9 + 7;
const int inf = 1e9;
const int mxN = 1e2 + 5;
const int mxM = 1e3 + 5;
const int N = 2e5 + 5;

int hx[] = {-1, 0, 1, 0};
int hy[] = {0, 1, 0, -1};

int main()
{
    // freopen("b.inp", "r", stdin);
    // freopen("b.out", "w", stdout);
    ll pinkkiu = 1;
    // cin >> pinkkiu;
    while (pinkkiu--)
    {
        ll n, k;
        cin >> n >> k;
        k--;
        vector<ll> v;
        ll x;
        cin >> x;
        ll last = 0, fifi = x;
        for (ll i = 2; i <= n; i++)
        {
            ll xx;
            cin >> xx;
            v.pb(xx - x - 1);
            x = last = xx;
        }
        sort(v.begin(), v.end());
        ll ans = last - fifi + 1;
        while (k--)
        {
            ans -= max(0LL, v.back());
            v.pop_back();
        }
        cout << ans;
    }
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50