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Submission #636441

# Submission time Handle Problem Language Result Execution time Memory
636441 2022-08-29T09:40:03 Z dozer Sirni (COCI17_sirni) C++14
126 / 140
 5000 ms 244556 KB 
#include <bits/stdc++.h>
using namespace std;
#define fileio() freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#define fastio() cin.tie(0), ios_base::sync_with_stdio(0)
#define sp " "
#define endl "\n"
#define pb push_back
#define pii pair<int , int>
#define st first
#define nd second
#define N 10000005


int root[N], sz[N], arr[N];
vector<int> ind[N];
set<int> roots;

int find(int node)
{
	if (root[node] == node) return node;
	return root[node] = find(root[node]);
}


void uni(int a, int b)
{
	a = find(a), b = find(b);
	if (a == b) return;
	if (sz[a] > sz[b]) swap(a, b);
	roots.erase(a);
	root[a] = b;
	sz[b] += sz[a];
}


int32_t main()
{
	fastio();

	
	int n;
	cin>>n;
	int maks = 0;
	vector<int> v;
	for (int i = 1; i <= n; i++)
	{
		cin>>arr[i];
		if (ind[arr[i]].size() == 0) v.pb(arr[i]);
		ind[arr[i]].pb(i);
		root[i] = i;
		sz[i] = 1;
		roots.insert(i);
		maks = max(maks, arr[i]);
	}

	int rem = 0;
	int ans = 0;
	while(roots.size() > 1)
	{
		for (auto curr : v)
		{
			int i = ind[curr].front();
			for (int j = rem; j <= maks; j += curr)
			{
				for (auto k : ind[j])
				{
					if (find(i) != find(k)) uni(i, k), ans += rem;
				}
			}
		}
		rem++;
	}

	cout<<ans<<endl;
	cerr<<"time taken : "<<(float)clock() / CLOCKS_PER_SEC<<" seconds\n";
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1004 ms 235188 KB Output is correct
2 Correct 1467 ms 235248 KB Output is correct
3 Correct 717 ms 235256 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 111 ms 235248 KB Output is correct
2 Correct 983 ms 235248 KB Output is correct
3 Correct 318 ms 235260 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 935 ms 235168 KB Output is correct
2 Correct 398 ms 235216 KB Output is correct
3 Correct 669 ms 235256 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 512 ms 244352 KB Output is correct
2 Correct 716 ms 243728 KB Output is correct
3 Correct 279 ms 243752 KB Output is correct

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 187 ms 236500 KB Output is correct
2 Correct 561 ms 241916 KB Output is correct
3 Correct 409 ms 243976 KB Output is correct

Subtask #6
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 731 ms 244396 KB Output is correct
2 Correct 474 ms 244224 KB Output is correct
3 Correct 308 ms 244320 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 182 ms 238640 KB Output is correct
2 Correct 622 ms 243532 KB Output is correct
3 Correct 279 ms 243976 KB Output is correct

Subtask #8
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2196 ms 244548 KB Output is correct
2 Correct 1390 ms 244520 KB Output is correct
3 Correct 2003 ms 244516 KB Output is correct

Subtask #9
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 702 ms 244556 KB Output is correct
2 Correct 3489 ms 243948 KB Output is correct
3 Correct 356 ms 244384 KB Output is correct

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2160 ms 237052 KB Output is correct
2 Execution timed out 5061 ms 243516 KB Time limit exceeded
3 Halted 0 ms 0 KB -