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Submission #684392

# Submission time Handle Problem Language Result Execution time Memory
684392 2023-01-21T05:46:43 Z doni Kutije (COCI21_kutije) C++14
70 / 70
 433 ms 25312 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second

ll parent[1001];
ll r[1001];
ll z=0;
vector<string>s;

void make_set(ll v) {
	parent[v] = v;
	r[v] = z;
}
 
ll find_set(ll v) {
	if (v == parent[v])
		return v;
	return parent[v] = find_set (parent[v]);
}
 
void union_sets(ll a, ll b) {
	a = find_set (a);
	b = find_set (b);
	if (a != b) {
		if (r[a] < r[b])
			swap (a, b);
		parent[b] = a;
		if (r[a] == r[b])
			++r[a];
	}
}

void bf(){
    ll n,a,b,m,q;
    cin>>n>>m>>q;
    for(ll i=1;i<=n;i++){
    	make_set(i);
	}
    for(ll mm=0;mm<m;mm++){
	    for(ll i=0;i<n;i++){
	    	cin>>a;
	    	union_sets(a,i+1);
		}
	}
	for(ll i=0;i<q;i++){
		cin>>a>>b;
		if(find_set(a)==find_set(b)){
			s.push_back("DA");
		}
		else{
			s.push_back("NE");
		}
	}
	for(int i=0;i<s.size();i++){
		cout<<s[i]<<"\n";
	}
}

/*
 
*/

int main(){
//	ll t;cin>>t;while(t--)
		bf();
}

Compilation message

Main.cpp: In function 'void bf()':
Main.cpp:56:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |  for(int i=0;i<s.size();i++){
      |              ~^~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 260 ms 21412 KB Output is correct
2 Correct 250 ms 18968 KB Output is correct
3 Correct 209 ms 18968 KB Output is correct
4 Correct 244 ms 21376 KB Output is correct
5 Correct 257 ms 21364 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 336 KB Output is correct
2 Correct 2 ms 312 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 316 KB Output is correct
5 Correct 2 ms 316 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 3 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 336 KB Output is correct
2 Correct 2 ms 312 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 316 KB Output is correct
5 Correct 2 ms 316 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 3 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 3 ms 316 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 2 ms 340 KB Output is correct
15 Correct 3 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 2 ms 340 KB Output is correct
18 Correct 2 ms 316 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 3 ms 340 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 260 ms 21412 KB Output is correct
2 Correct 250 ms 18968 KB Output is correct
3 Correct 209 ms 18968 KB Output is correct
4 Correct 244 ms 21376 KB Output is correct
5 Correct 257 ms 21364 KB Output is correct
6 Correct 4 ms 336 KB Output is correct
7 Correct 2 ms 312 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 2 ms 316 KB Output is correct
10 Correct 2 ms 316 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 3 ms 340 KB Output is correct
15 Correct 2 ms 340 KB Output is correct
16 Correct 3 ms 316 KB Output is correct
17 Correct 2 ms 340 KB Output is correct
18 Correct 2 ms 340 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 3 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 316 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 3 ms 340 KB Output is correct
26 Correct 429 ms 25168 KB Output is correct
27 Correct 428 ms 25160 KB Output is correct
28 Correct 352 ms 22200 KB Output is correct
29 Correct 416 ms 24296 KB Output is correct
30 Correct 383 ms 22384 KB Output is correct
31 Correct 357 ms 22388 KB Output is correct
32 Correct 427 ms 25140 KB Output is correct
33 Correct 420 ms 25312 KB Output is correct
34 Correct 420 ms 25192 KB Output is correct
35 Correct 433 ms 25204 KB Output is correct