oj.uz

답안 #441222

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
441222 2021-07-04T17:19:57 Z Vladth11 K개의 묶음 (IZhO14_blocks) C++14
0 / 100
 0 ms 204 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair <ll, ll> pii;
typedef pair <long double, pii> muchie;
typedef tree <ll, null_type, less_equal <ll>, rb_tree_tag, tree_order_statistics_node_update> OST;

const ll NMAX = 100001;
const ll INF = (1LL << 60);
const ll HALF = (1LL << 59);
const ll MOD = 1000000007;
const ll BLOCK = 318;
const ll base = 31;
const ll nr_of_bits = 21;
const ll LIMIT = 1000;

ll dp[NMAX][101]; ///aici mai putem scoate chestii
ll n, k;
priority_queue <pii> pq[101];
ll v[NMAX];
pii stiva[NMAX][101];
ll vf[101];
ll f[NMAX];

int main() {
    ll i;
    cin >> n >> k;
    for(i = 1; i <= n; i++){
        cin >> v[i];
    }
    for(i = 0; i <= n; i++){
        for(ll j = 0; j <= k; j++)
            dp[i][j] = HALF;
    }
    dp[0][0] = 0;
    for(i = 1; i <= n; i++){
        for(ll j = 1; j <= min(i, k); j++){
            ll minim = dp[i - 1][j - 1];
            while(vf[j] && v[stiva[vf[j]][j].second] <= v[i]){
                minim = min(minim, stiva[vf[j]][j].first);
                vf[j]--;
            }
            dp[i][j] = min(dp[i][j], minim + v[i]);
            stiva[++vf[j]][j] = {minim, i};
        }
    }
    cout << dp[n][k];
    return 0;
}

Subtask #1
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 47.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -