oj.uz

Submission #720275

# Submission time Handle Problem Language Result Execution time Memory
720275 2023-04-07T19:32:02 Z Boomyday Palembang Bridges (APIO15_bridge) C++14
22 / 100
 107 ms 4312 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){
    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);
        }

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



}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 340 KB Output is correct
5 Correct 2 ms 308 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 56 ms 3192 KB Output is correct
13 Correct 98 ms 4276 KB Output is correct
14 Correct 64 ms 3516 KB Output is correct
15 Correct 63 ms 2712 KB Output is correct
16 Correct 89 ms 3680 KB Output is correct
17 Correct 94 ms 4236 KB Output is correct
18 Correct 84 ms 4028 KB Output is correct
19 Correct 102 ms 4312 KB Output is correct
20 Correct 82 ms 3780 KB Output is correct
21 Correct 107 ms 4012 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -