oj.uz

답안 #720277

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
720277 2023-04-07T19:40:32 Z Boomyday Palembang Bridges (APIO15_bridge) C++17
22 / 100
 102 ms 2540 KB 
//
// Created by adavy on 2/12/2023.
//
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

using ll = long long;
using ld = long double;
using db = double;
using str = string; // yay python!

using ii = pair<int,int>;
using pl = pair<ll,ll>;
using pd = pair<db,db>;

using vi = vector<int>;
using vb = vector<bool>;
using vl = vector<ll>;
using vd = vector<db>;
using vs = vector<str>;
using vii = vector<ii>;
using vpl = vector<pl>;
using vpd = vector<pd>;

using ost = tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update>;


// pairs
#define mp make_pair
#define f first
#define s second

#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define trav(a,x) for (auto& a: x)


#define all(x) begin(x), end(x)
#define pb push_back


const int MOD = 1e9+7; // 998244353;
const int MX = 2e5+5;
const ll INF = 1e18; // not too close to LLONG_MAX
const ld PI = acos((ld)-1);

// TOP > BOTTOM
multiset<ll, greater<ll>> top1, top2;
multiset<ll> bottom1, bottom2;

ll ts1, bs1, ts2, bs2;


void chk(multiset<ll, greater<ll>> top, multiset<ll> bottom, ll ts, ll bs){

    if ((int)top.size()-1 > (int)bottom.size()) {
        ll temp = *top.begin(); top.erase(top.find(temp)); bottom.insert(temp);
        ts-=temp; bs+=temp;
    }
    if ((int)bottom.size() > (int)top.size()) {
        ll temp = *bottom.begin(); bottom.erase(bottom.find(temp)); top.insert(temp);
        bs-=temp; ts+=temp;
    }
}

void ins(ll x, multiset<ll, greater<ll>> top, multiset<ll> bottom, ll ts, ll bs){
    if (top.size()==0) {top.insert(x); ts+=x;}
    else if (x>*top.begin()) {bottom.insert(x); bs+=x;}
    else {top.insert(x); ts+=x;};

    chk(top, bottom, ts, bs);


}

void re(ll x, multiset<ll, greater<ll>> top, multiset<ll> bottom, ll ts, ll bs){
    if (top.find(x) != top.end()) {top.erase(top.find(x)); ts-=x;}
    else {bottom.erase(bottom.find(x)); bs-=x;}
    chk(top, bottom, ts, bs);
}

ll calc(multiset<ll, greater<ll>> top, multiset<ll> bottom, ll ts, ll bs){
    if (top.size()==0) return 0;
    ll m = *top.begin();
    return m*(top.size()) - ts - m*(bottom.size()) + bs;
}

int main(){
    int n, k;
    cin >> k >> n;
    ll leftover = 0;
    vl nums;
    F0R(_, n){
        char l1, l2;
        ll n1, n2;
        cin >> l1 >> n1 >> l2 >> n2;
        if(l1==l2) leftover += abs(n2-n1);
        else {
            nums.pb(n1); nums.pb(n2);
        }

    }
    leftover += nums.size()/2;
    sort(all(nums));
    if(k==1){
        ll md = nums[nums.size()/2];
        ll ans = 0;
        trav(i, nums){
            ans += abs(md-i);
        }
        cout << ans+leftover<< endl;
        return 0;
    }
    trav(i, nums){
        ins(i, top1, bottom1, ts1, bs1);
    }

    ll mn = LLONG_MAX;

    trav(i, nums){
        re(i, top1, bottom1, ts1, bs1);
        ins(i, top2, bottom2, ts2, bs2);
        mn = min(mn, calc(top1, bottom1, ts1, bs1)+calc(top2, bottom2, ts2, bs2));

    }
    cout << mn+leftover << endl;



}

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 2 ms 212 KB Output is correct
10 Correct 2 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 2 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 2 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 45 ms 2448 KB Output is correct
13 Correct 102 ms 2408 KB Output is correct
14 Correct 71 ms 2368 KB Output is correct
15 Correct 80 ms 1348 KB Output is correct
16 Correct 76 ms 2364 KB Output is correct
17 Correct 93 ms 2452 KB Output is correct
18 Correct 84 ms 2436 KB Output is correct
19 Correct 98 ms 2364 KB Output is correct
20 Correct 91 ms 2464 KB Output is correct
21 Correct 98 ms 2540 KB Output is correct

Subtask #3
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -