oj.uz

답안 #1049718

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1049718 2024-08-09T04:27:07 Z vjudge1 Stove (JOI18_stove) C++17
50 / 100
 103 ms 262144 KB 
#include <bits/stdc++.h>
// #define DEBUG 1
// #pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
// #pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx,mmx,tune=native")
// #include <ext/pb_ds/detail/standard_policies.hpp>
// #include <ext/pb_ds/assoc_container.hpp>
using namespace std;
// using namespace __gnu_pbds;
// typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
/* find_by_order() order_of_key() */
void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
 
template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ", "; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? ", " : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifdef DEBUG
#define dbg(x...) cerr << "\e[91m"<<__func__<<":"<<__LINE__<<" [" << #x << "] = ["; _print(x); cerr << "\e[39m" << endl;
#else
#define dbg(x...)
#endif
#define elif else if
#define pb push_back
#define fast cin.tie(nullptr); ios_base::sync_with_stdio(false);
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define str to_string
#define sz(x) int(x.size())
#define F first
#define S second
#define FOR(i, a, b) for (int i=a; i < (b); i++)
#define F0R(i, a) for (int i=0; i < (a); i++)
#define FORd(i, a, b) for (int i = (b) - 1; i >= a; i--)
#define F0Rd(i, a) for (int i = (a) - 1; i >= 0; i--)
#define watch(x) cout << #x << " <----  " << x << endl
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
template<typename A, typename B>
inline bool umin(A& a, B b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}
 
template<typename A, typename B>
inline bool umax(A& a, B b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}
 
template<typename T>
T binpow(T b, T e, T m) {
    T r = 1;
    while(e > 0) {
        if(e & 1) r = r * b % m;
        b = b * b % m;
        e >>= 1;
    }
    return r;
}
using ll = long long;
using ld = long double;
using ull = unsigned long long;
inline ll rand(ll l, ll r) {
    return uniform_int_distribution<ll>(l, r)(rng);
}
const int N = 1e6 + 1;
const ll mod = 1e9 + 7;
const ll INF = 1e18;
ll n, m, k, q;
int h1[4] = {1, 0, 0, -1};
int h2[4] = {0, -1, 1, 0};
ll a[N];
bool check(int x, int y) {
    return (x >= 0 && y >= 0 && x < n && y < m);
}
int go(char c) {
    return c - '0';
}
vector<ll> adj[N];
/* Problems solved, rank evolved. */
void tourist() {
    // #ifndef ONLINE_JUDGE
    //     freopen("input.txt", "r", stdin);
    //     freopen("output.txt", "w", stdout);
    //     freopen("errors.txt", "w", stderr);
    // #endif
    cin >> n >> k;
    for(int i = 1; i <= n; i++) cin >> a[i];
    ll dp[n + 1][k + 1];
    for(int i = 0; i <= n; i++){
      for(int j = 0; j <= k; j++){
        dp[i][j] = INF;
      }
    }
    dp[1][1] = 1;
    // cout << dp[1][1] << '\n';
    for(ll i = 2; i <= n; i++){
      for(ll j = 1; j <= min(k, i); j++){
        dp[i][j] = min(dp[i - 1][j - 1] + 1, dp[i - 1][j] + a[i] - a[i - 1]);
      }
    }
    // cout << dp[1][1] << '\n';
    // for(int i = 1; i <= n; i++){
    //   for(int j = 1; j <= i; j++){
    //     cout << dp[i][j] << ' ';
    //   }
    //   cout << '\n';
    // }
    ll ans = INF;
    for(int j = 1; j <= k; j++){
      ans = min(ans, dp[n][j]);
    }
    cout << ans << '\n';
}

/*Give me some sunshine, give me some rain, its a beatifull day-ay-ay-ay...*/
int32_t main() {
    fast
    int tt = 1;
    // cin >> tt;
    while (tt--) {
        tourist();
    }
}

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 25176 KB Output is correct
2 Correct 3 ms 25180 KB Output is correct
3 Correct 4 ms 25180 KB Output is correct
4 Correct 3 ms 25180 KB Output is correct
5 Correct 4 ms 25176 KB Output is correct
6 Correct 3 ms 25180 KB Output is correct
7 Correct 3 ms 25180 KB Output is correct
8 Correct 3 ms 25276 KB Output is correct
9 Correct 3 ms 25180 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 25176 KB Output is correct
2 Correct 3 ms 25180 KB Output is correct
3 Correct 4 ms 25180 KB Output is correct
4 Correct 3 ms 25180 KB Output is correct
5 Correct 4 ms 25176 KB Output is correct
6 Correct 3 ms 25180 KB Output is correct
7 Correct 3 ms 25180 KB Output is correct
8 Correct 3 ms 25276 KB Output is correct
9 Correct 3 ms 25180 KB Output is correct
10 Correct 4 ms 25436 KB Output is correct
11 Correct 4 ms 27480 KB Output is correct
12 Correct 17 ms 48640 KB Output is correct
13 Correct 29 ms 72016 KB Output is correct
14 Correct 38 ms 93276 KB Output is correct
15 Correct 58 ms 95276 KB Output is correct

Subtask #3
0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 25176 KB Output is correct
2 Correct 3 ms 25180 KB Output is correct
3 Correct 4 ms 25180 KB Output is correct
4 Correct 3 ms 25180 KB Output is correct
5 Correct 4 ms 25176 KB Output is correct
6 Correct 3 ms 25180 KB Output is correct
7 Correct 3 ms 25180 KB Output is correct
8 Correct 3 ms 25276 KB Output is correct
9 Correct 3 ms 25180 KB Output is correct
10 Correct 4 ms 25436 KB Output is correct
11 Correct 4 ms 27480 KB Output is correct
12 Correct 17 ms 48640 KB Output is correct
13 Correct 29 ms 72016 KB Output is correct
14 Correct 38 ms 93276 KB Output is correct
15 Correct 58 ms 95276 KB Output is correct
16 Correct 13 ms 33720 KB Output is correct
17 Correct 52 ms 104284 KB Output is correct
18 Runtime error 103 ms 262144 KB Execution killed with signal 9
19 Halted 0 ms 0 KB -