oj.uz

Submission #882602

# Submission time Handle Problem Language Result Execution time Memory
882602 2023-12-03T12:12:24 Z vjudge1 Palembang Bridges (APIO15_bridge) C++17
22 / 100
 38 ms 9160 KB 
#pragma optimize("Bismillahirrahmanirrahim")
//█▀█─█──█──█▀█─█─█
//█▄█─█──█──█▄█─█■█
//█─█─█▄─█▄─█─█─█─█
//Allahuekber
//ahmet23 orz...
//Sani buyuk Osman Pasa Plevneden cikmam diyor.
//FatihSultanMehmedHan
//YavuzSultanSelimHan
//AbdulhamidHan
#define author tolbi
#include <bits/stdc++.h>
using namespace std;
template<typename X, typename Y> istream& operator>>(istream& in, pair<X,Y> &pr) {return in>>pr.first>>pr.second;}
template<typename X, typename Y> ostream& operator<<(ostream& os, pair<X,Y> pr) {return os<<pr.first<<" "<<pr.second;}
template<typename X> istream& operator>>(istream& in, vector<X> &arr) {for(auto &it : arr) in>>it; return in;}
template<typename X> ostream& operator<<(ostream& os, vector<X> arr) {for(auto &it : arr) os<<it<<" "; return os;}
template<typename X, size_t Y> istream& operator>>(istream& in, array<X,Y> &arr) {for(auto &it : arr) in>>it; return in;}
template<typename X, size_t Y> ostream& operator<<(ostream& os, array<X,Y> arr) {for(auto &it : arr) os<<it<<" "; return os;}
#define int long long
#define endl '\n'
#define vint(x) vector<int> x
#define deci(x) int x;cin>>x;
#define decstr(x) string x;cin>>x;
#define cinarr(x) for (auto &it : x) cin>>it;
#define coutarr(x) for (auto &it : x) cout<<it<<" ";cout<<endl;
#define sortarr(x) sort(x.begin(),x.end())
#define sortrarr(x) sort(x.rbegin(),x.rend())
#define det(x) cout<<"NO\0YES"+x*3<<endl;
#define INF LONG_LONG_MAX
#define rev(x) reverse(x.begin(),x.end());
#define ios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define tol(bi) (1LL<<((int)(bi)))
const int MOD = 1e9+7;
mt19937 ayahya(chrono::high_resolution_clock().now().time_since_epoch().count());
int solve(vector<pair<int,int>> arr){
	int n = arr.size();
	vector<int> ller;
	vector<int> rler;
	for (int i = 0; i < arr.size(); ++i)
	{
		ller.push_back(arr[i].first);
		rler.push_back(arr[i].second);
	}
	sortarr(ller);
	sortarr(rler);
	vector<int> lsuff = ller;
	vector<int> rpref = rler;
	for (int i = 1; i < ller.size(); i++){
		rpref[i]+=rpref[i-1];
		lsuff[ller.size()-i-1]+=lsuff[ller.size()-i];
	}
	int ans = INF;
	function<int(int)> process = [&](int x)->int{
		auto lb = lower_bound(ller.begin(), ller.end(), x);
		auto rb = lower_bound(rler.begin(), rler.end(), x);
		int crr = 0;
		if (rb!=rler.begin()){
			rb--;
			crr+=x*(rb-rler.begin()+1)-rpref[rb-rler.begin()];
		}
		if (lb!=ller.end()){
			crr+=lsuff[lb-ller.begin()]-x*(ller.end()-lb);
		}
		ans=min(ans,crr);
		return crr;
	};
	int l = 0, r = 1000000000;
	while (l<r){
		int mid = l+(r-l)/2;
		int res = process(mid);
		int res2 = process(mid+1);
		if (res>res2){
			l=mid+1;
		}
		else {
			r=mid;
		}
	}
	process(l);
	int hh = 0;
	for (int i = 0; i < arr.size(); ++i)
	{
		hh+=abs(arr[i].first-arr[i].second)+1;
	}
	return ans*2+hh;
}
int32_t main(){
	ios;
	int t=1;
	int tno = 0;
	if (!t) cin>>t;
	while (t-(tno++)){
		deci(k);deci(n);
		vector<pair<int,int>> arr;
		int ans = 0;
		for (int i = 0; i < n; ++i)
		{
			char a,c;
			int b,d;
			cin>>a>>b>>c>>d;
			if (a==c) ans+=abs(b-d);
			else{
				arr.push_back({min(b,d),max(b,d)});
			}
		}
		if (k==1){
			ans+=solve(arr);
		}
		else {
			sort(arr.begin(), arr.end(), [&](pair<int,int> a, pair<int,int> b){
				return a.first<b.first;
			});
			vector<pair<int,int>> hhehehe;
			vector<int> a;
			for (int i = 0; i < arr.size(); ++i)
			{
				hhehehe.push_back(arr[i]);
				a.push_back(solve(hhehehe));
			}
			vector<int> b(arr.size());
			hhehehe.clear();
			for (int i = arr.size()-1; i >= 0; --i){
				hhehehe.push_back(arr[i]);
				b[i]=solve(hhehehe);
			}
			int crr = INF;
			for (int i = 0; i < n; ++i)
			{
				int l = a[i];
				int r = 0;
				if (i+1<n) r = b[i+1];
				crr=min(crr,l+r);
			}
			ans+=crr;
		}
		cout<<ans<<endl;
	}
}

Compilation message

bridge.cpp:1: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    1 | #pragma optimize("Bismillahirrahmanirrahim")
      | 
bridge.cpp: In function 'long long int solve(std::vector<std::pair<long long int, long long int> >)':
bridge.cpp:40:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |  for (int i = 0; i < arr.size(); ++i)
      |                  ~~^~~~~~~~~~~~
bridge.cpp:49:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |  for (int i = 1; i < ller.size(); i++){
      |                  ~~^~~~~~~~~~~~~
bridge.cpp:82:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   82 |  for (int i = 0; i < arr.size(); ++i)
      |                  ~~^~~~~~~~~~~~
bridge.cpp:37:6: warning: unused variable 'n' [-Wunused-variable]
   37 |  int n = arr.size();
      |      ^
bridge.cpp: In function 'int32_t main()':
bridge.cpp:116:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  116 |    for (int i = 0; i < arr.size(); ++i)
      |                    ~~^~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# 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 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 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 532 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 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 18 ms 7636 KB Output is correct
13 Correct 38 ms 9160 KB Output is correct
14 Correct 27 ms 7628 KB Output is correct
15 Correct 20 ms 5536 KB Output is correct
16 Correct 21 ms 8492 KB Output is correct
17 Correct 24 ms 8968 KB Output is correct
18 Correct 22 ms 8580 KB Output is correct
19 Correct 33 ms 8900 KB Output is correct
20 Correct 24 ms 8392 KB Output is correct
21 Correct 33 ms 8652 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 348 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 348 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 604 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -