Submission #1026669

#	Time	Username	Problem	Language	Result	Execution time	Memory
1026669		vjudge1	Netrpeljivost (COI23_netrpeljivost)	C++17	0 / 100	4 ms	2552 KiB

Main

#include <bits/stdc++.h>

using namespace std;

typedef long long lo; 

#define fi first
#define se second
#define endl "\n"
#define pb push_back
#define int long long
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)
#define _ << " " <<

const lo inf = 1000000000000000000;
const lo li = 2050;
const lo mod = 1000000007;

int n,m,a[li][li],k,flag,t,p[li],l[li],r[li];
int cev;
string s;
vector<int> v;

inline void dfs(int node,int start,int end){
	if(start==end){return ;}
	dfs(node*2,start,mid),dfs(node*2+1,mid+1,end);
	if(a[r[node*2]][l[node*2+1]]>a[l[node*2]][r[node*2+1]]){
		swap(l[node*2+1],l[node*2]);
		swap(r[node*2+1],r[node*2]);
	}
	if(rand()%20==1){
		swap(l[node*2+1],l[node*2]);
		swap(r[node*2+1],r[node*2]);
	}
	//~ cout<<l[node*2+1] _ r[node*2] _ node _ start _ end<<endl;
	cev+=a[l[node*2+1]][r[node*2]];
	l[node]=l[node*2];
	r[node]=r[node*2+1];
}

int32_t main(void){
	fio();
	cin>>n;
	srand(time(NULL));
	FOR{
		for(int j=1;j<=n;j++)cin>>a[i][j];
		l[i+n-1]=i,r[i+n-1]=i;
	}
	int mn=inf;
	for(int i=1;i<=10000;i++){cev=0;dfs(1,1,n);mn=min(mn,cev);}
	cout<<mn<<endl;
	return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 17
• Subtask 3: 0 / 32
• Subtask 4: 0 / 41