Submission #993355

# Submission time Handle Problem Language Result Execution time Memory
993355 2024-06-05T14:02:50 Z BF001 Palembang Bridges (APIO15_bridge) C++17
100 / 100
69 ms 7912 KB
#include <bits/stdc++.h>
using namespace std;

#define N 100005
#define int long long
#define fi first
#define se second

typedef pair<int, int> ii;

int same, res, n, lsum, rsum, pre[N];
vector<ii> vec;
priority_queue<int> lq;
priority_queue<int, vector<int>, greater<int>> rq;

void add(int x){
	//cout << x << "\n";
	int tp = 1e18;
	if (lq.size()) tp = lq.top();
	if (x <= tp){
		lq.push(x);
		lsum += x;
	}
	else {
		rq.push(x);
		rsum += x;
	}
	if (rq.size() + 1 < lq.size()){
		tp = lq.top();
		lq.pop();
		rq.push(tp);
		rsum += tp;
		lsum -= tp;
	}
	if (lq.size() < rq.size()){
		tp = rq.top();
		rq.pop();
		lq.push(tp);
		rsum -= tp;
		lsum += tp;
	}
}

bool cmp(ii& a, ii& b){
	return a.fi + a.se < b.fi + b.se;
}

int k;

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
     
    cin >> k >> n;
    for (int i = 1; i <= n; i++){
    	char aa, bb;
    	int pos1, pos2;
    	cin >> aa >> pos1 >> bb >> pos2;
    	if (aa == bb){
    		same += abs(pos2 - pos1);
    	}
    	else{
    		vec.push_back({pos1, pos2});
    	}
    }  

    sort(vec.begin(), vec.end(), cmp);

    same += vec.size();

    for (int i = 1; i <= (int) vec.size(); i++){
    	add(vec[i - 1].fi);
    	add(vec[i - 1].se);
    	//cout << rsum << " " << lsum << "\n";
    	pre[i] = rsum - lsum;
    }

    res = pre[vec.size()];
    if (k == 2){
	    lsum = rsum = 0;
	    while (lq.size()) lq.pop();
	    while (rq.size()) rq.pop();
	    for (int i = (int) vec.size(); i >= 1; i--){
	    	add(vec[i - 1].fi);
	    	add(vec[i - 1].se);
	    	res = min(res, pre[i - 1] + rsum - lsum);
	    }
	}
    cout << res + same;

    return 0;
}     
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 352 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 472 KB Output is correct
8 Correct 1 ms 600 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 20 ms 6888 KB Output is correct
13 Correct 43 ms 7628 KB Output is correct
14 Correct 34 ms 6344 KB Output is correct
15 Correct 24 ms 5072 KB Output is correct
16 Correct 24 ms 7060 KB Output is correct
17 Correct 30 ms 7884 KB Output is correct
18 Correct 29 ms 7116 KB Output is correct
19 Correct 35 ms 7884 KB Output is correct
20 Correct 27 ms 7376 KB Output is correct
21 Correct 34 ms 7640 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 516 KB Output is correct
23 Correct 1 ms 544 KB Output is correct
24 Correct 1 ms 356 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 352 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 352 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 352 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 504 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 352 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 352 KB Output is correct
19 Correct 1 ms 356 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 352 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 29 ms 6512 KB Output is correct
26 Correct 56 ms 6596 KB Output is correct
27 Correct 65 ms 7460 KB Output is correct
28 Correct 69 ms 7912 KB Output is correct
29 Correct 67 ms 7592 KB Output is correct
30 Correct 35 ms 4044 KB Output is correct
31 Correct 31 ms 6872 KB Output is correct
32 Correct 50 ms 7888 KB Output is correct
33 Correct 49 ms 7888 KB Output is correct
34 Correct 59 ms 7624 KB Output is correct
35 Correct 34 ms 7384 KB Output is correct
36 Correct 55 ms 7696 KB Output is correct
37 Correct 24 ms 6356 KB Output is correct