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Submission #1090835

# Submission time Handle Problem Language Result Execution time Memory
1090835 2024-09-18T21:17:40 Z 4QT0R Palembang Bridges (APIO15_bridge) C++17
100 / 100
 66 ms 8140 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long

priority_queue<ll> lewo;
priority_queue<ll,vector<ll>,greater<ll>> prawo;
ll suml,sump;

void ins(ll v){
	ll med=lewo.size()?lewo.top():((1e9)+3);
	if (v<=med){
		lewo.push(v);
		suml+=v;
	}
	else{
		prawo.push(v);
		sump+=v;
	}
	if (lewo.size()<prawo.size()){
		ll x=prawo.top();
		prawo.pop();
		sump-=x;
		lewo.push(x);
		suml+=x;
	}
	else if (prawo.size()+1<lewo.size()){
		ll x=lewo.top();
		lewo.pop();
		suml-=x;
		prawo.push(x);
		sump+=x;
	}
}

ll dp[100003];

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	ll k,n;
	cin >> k >> n;
	vector<pair<ll,ll>> vec;
	vec.push_back({0,0});
	ll same=0;
	for (ll i = 1; i<=n; i++){
		char a,b;
		ll x,y;
		cin >> a >> x >> b >> y;
		if (a==b)same+=labs(x-y);
		else{
			vec.push_back({x,y});
		}
	}
	n=vec.size()-1;
	same+=n;
	sort(vec.begin(),vec.end(),[](pair<ll,ll> a, pair<ll,ll> b){return a.first+a.second<b.first+b.second;});
	for (ll i = 1; i<=n; i++){
		ins(vec[i].first);
		ins(vec[i].second);
		dp[i]=sump-suml;
	}
	ll ans=dp[n];
	if (k==2){
		for(;lewo.size();lewo.pop());
		for(;prawo.size();prawo.pop());
		suml=sump=0;
		for (ll i = n; i>0; i--){
			ins(vec[i].first);
			ins(vec[i].second);
			ans=min(ans,dp[i-1]+sump-suml);
		}
	}
	cout << same+ans << '\n';
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 356 KB Output is correct
2 Correct 0 ms 360 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 360 KB Output is correct
5 Correct 1 ms 360 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 1 ms 360 KB Output is correct
8 Correct 1 ms 488 KB Output is correct
9 Correct 1 ms 360 KB Output is correct
10 Correct 0 ms 360 KB Output is correct
11 Correct 0 ms 360 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 360 KB Output is correct
2 Correct 0 ms 360 KB Output is correct
3 Correct 1 ms 356 KB Output is correct
4 Correct 1 ms 360 KB Output is correct
5 Correct 1 ms 360 KB Output is correct
6 Correct 0 ms 360 KB Output is correct
7 Correct 0 ms 360 KB Output is correct
8 Correct 1 ms 360 KB Output is correct
9 Correct 1 ms 360 KB Output is correct
10 Correct 0 ms 360 KB Output is correct
11 Correct 0 ms 360 KB Output is correct
12 Correct 18 ms 6324 KB Output is correct
13 Correct 36 ms 7640 KB Output is correct
14 Correct 34 ms 6868 KB Output is correct
15 Correct 21 ms 4968 KB Output is correct
16 Correct 21 ms 7128 KB Output is correct
17 Correct 27 ms 7896 KB Output is correct
18 Correct 26 ms 7892 KB Output is correct
19 Correct 38 ms 7900 KB Output is correct
20 Correct 23 ms 7640 KB Output is correct
21 Correct 32 ms 7764 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 352 KB Output is correct
2 Correct 0 ms 356 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 352 KB Output is correct
5 Correct 0 ms 608 KB Output is correct
6 Correct 0 ms 352 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 352 KB Output is correct
11 Correct 0 ms 352 KB Output is correct
12 Correct 0 ms 352 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 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 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 468 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 524 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 520 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct

Subtask #5
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 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 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
13 Correct 0 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 0 ms 348 KB Output is correct
19 Correct 0 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 396 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 26 ms 6320 KB Output is correct
26 Correct 49 ms 7124 KB Output is correct
27 Correct 66 ms 7340 KB Output is correct
28 Correct 64 ms 8140 KB Output is correct
29 Correct 63 ms 7628 KB Output is correct
30 Correct 32 ms 4312 KB Output is correct
31 Correct 28 ms 6864 KB Output is correct
32 Correct 49 ms 7884 KB Output is correct
33 Correct 51 ms 7052 KB Output is correct
34 Correct 50 ms 7884 KB Output is correct
35 Correct 32 ms 7640 KB Output is correct
36 Correct 49 ms 7784 KB Output is correct
37 Correct 22 ms 6352 KB Output is correct