Submission #890413

# Submission time Handle Problem Language Result Execution time Memory
890413 2023-12-21T06:33:22 Z Muhammad_Aneeq Sails (IOI07_sails) C++17
25 / 100
1000 ms 65536 KB
/*
بسم الله الرحمن الرحيم
Author:
                          (:Muhammad Aneeq:)
*/
#include <iostream>
#include <vector>
#include <set>
using namespace std;
#define int long long
int const N=1e5+10;
int n;
int ans=1e15+10;
int vis[N]={};
set<set<int>>d[N];
void dfs(int x,int val=0)
{
	if (x==n)
	{
		ans=min(ans,val);
		return;
	}
	for (auto j:d[x])
	{
		int z=0;
		for (auto k:j)
		{
			z+=vis[k];
			vis[k]++;
		}
		dfs(x+1,val+z);
		for (auto k:j)
			vis[k]--;
	}
}
set<int>cur;
void dfs1(int i,int h,int k)
{
	if (cur.size()==k)
	{
		d[i].insert(cur);
		return;
	}
	for (int j=0;j<h;j++)
	{
		if (!vis[j])
		{
			vis[j]=1;
			cur.insert(j);
			dfs1(i,h,k);
			vis[j]=0;
			cur.erase(j);
		}
	}
}
inline void solve()
{
  	cin>>n;
  	for (int i=0;i<n;i++)
  	{
  		int h,k;
  		cin>>h>>k;
  		dfs1(i,h,k);
  	}
  	dfs(0);
  	cout<<ans<<endl;
}
signed main()
{
  ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
        solve();
}

Compilation message

sails.cpp: In function 'void dfs1(long long int, long long int, long long int)':
sails.cpp:39:16: warning: comparison of integer expressions of different signedness: 'std::set<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   39 |  if (cur.size()==k)
      |      ~~~~~~~~~~^~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 1 ms 4968 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 37 ms 4956 KB Output is correct
2 Correct 9 ms 4952 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 17 ms 4956 KB Output is correct
2 Correct 155 ms 4956 KB Output is correct
# Verdict Execution time Memory Grader output
1 Runtime error 725 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 171 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 165 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 1063 ms 10188 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 526 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 1053 ms 11204 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 214 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 205 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -