oj.uz

답안 #932477

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
932477 2024-02-23T13:28:05 Z VMaksimoski008 Palembang Bridges (APIO15_bridge) C++14
63 / 100
 2000 ms 3788 KB 
#include <bits/stdc++.h>

#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
//#define int long long

using namespace std;

using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e5 + 5;
const double eps = 1e-9;

priority_queue<int> L;
priority_queue<int, vector<int>, greater<int> > R;
ll sumL = 0, sumR = 0;

void insert(int x) {
    int med = (L.empty() ? 1e9 + 1 : L.top());
    if(x <= med) L.push(x), sumL += x;
    else R.push(x), sumR += x;

    if(L.size() > R.size() + 1) {
        R.push(L.top());
        sumL -= L.top();
        sumR += L.top();
        L.pop();
    } else if(R.size() > L.size()) {
        L.push(R.top());
        sumL += R.top();
        sumR -= R.top();
        R.pop();
    }
}

int32_t main() {
    int k, n;
    cin >> k >> n;

    ll ans = 0, ans2 = 0;
    vector<pii> v;
    v.push_back({ 0, 0 });

    for(int i=0; i<n; i++) {
        char a, b;
        int c, d;
        cin >> a >> c >> b >> d;

        if(a == b) {
            ans2 += abs(c - d);
        } else {
            v.push_back({ c, d });
            ans2++;
        }
    }

    if(v.size() == 1) {
        cout << ans2 << '\n';
        return 0;
    }

    if(k == 1) {
        for(int i=1; i<v.size(); i++) {
            insert(v[i].first);
            insert(v[i].second);
        }

        ans = sumR - sumL;
    } else {
        ans = 1e18;

        sort(1+all(v), [&](pii &a, pii &b) { return (a.first + a.second) < (b.first + b.second); });

        for(int i=1; i<v.size(); i++) {
            ll res = 0;
            sumL = sumR = 0;

            while(!L.empty()) L.pop();
            while(!R.empty()) R.pop();

            for(int j=1; j<=i; j++) {
                insert(v[j].first);
                insert(v[j].second);
            }

            res += sumR - sumL;

            sumL = sumR = 0;
            while(!L.empty()) L.pop();
            while(!R.empty()) R.pop();

            for(int j=i+1; j<v.size(); j++) {
                insert(v[j].first);
                insert(v[j].second);
            }

            res += sumR - sumL;

            ans = min(ans, res);
        }
    }

    cout << ans + ans2 << '\n';
    return 0;
}

Compilation message

bridge.cpp: In function 'int32_t main()':
bridge.cpp:70:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |         for(int i=1; i<v.size(); i++) {
      |                      ~^~~~~~~~~
bridge.cpp:81:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   81 |         for(int i=1; i<v.size(); i++) {
      |                      ~^~~~~~~~~
bridge.cpp:99:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   99 |             for(int j=i+1; j<v.size(); j++) {
      |                            ~^~~~~~~~~

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 456 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 38 ms 2568 KB Output is correct
13 Correct 78 ms 2772 KB Output is correct
14 Correct 52 ms 2408 KB Output is correct
15 Correct 46 ms 1484 KB Output is correct
16 Correct 63 ms 3012 KB Output is correct
17 Correct 73 ms 2244 KB Output is correct
18 Correct 73 ms 2572 KB Output is correct
19 Correct 78 ms 2752 KB Output is correct
20 Correct 66 ms 2244 KB Output is correct
21 Correct 72 ms 2500 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct

Subtask #4
32.0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 55 ms 436 KB Output is correct
14 Correct 191 ms 448 KB Output is correct
15 Correct 182 ms 348 KB Output is correct
16 Correct 5 ms 348 KB Output is correct
17 Correct 48 ms 348 KB Output is correct
18 Correct 22 ms 448 KB Output is correct
19 Correct 56 ms 348 KB Output is correct
20 Correct 149 ms 460 KB Output is correct
21 Correct 185 ms 344 KB Output is correct
22 Correct 150 ms 344 KB Output is correct
23 Correct 66 ms 472 KB Output is correct
24 Correct 149 ms 348 KB Output is correct

Subtask #5
0 / 37.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 352 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 356 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 2 ms 356 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 61 ms 436 KB Output is correct
14 Correct 193 ms 532 KB Output is correct
15 Correct 179 ms 344 KB Output is correct
16 Correct 5 ms 344 KB Output is correct
17 Correct 49 ms 348 KB Output is correct
18 Correct 22 ms 348 KB Output is correct
19 Correct 49 ms 460 KB Output is correct
20 Correct 150 ms 348 KB Output is correct
21 Correct 187 ms 596 KB Output is correct
22 Correct 150 ms 348 KB Output is correct
23 Correct 62 ms 348 KB Output is correct
24 Correct 149 ms 344 KB Output is correct
25 Execution timed out 2032 ms 3788 KB Time limit exceeded
26 Halted 0 ms 0 KB -