Submission #387707

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
387707	2021-04-09T05:59:33 Z	RohamIzadidoost	Swapping Cities (APIO20_swap)	C++14	37 / 100	2000 ms	12172 KB

swap

#pragma GCC optimize("Ofast,unroll-loops,fast-math")
#include<bits/stdc++.h>
using namespace std;
typedef long long ll ;
#define pll pair<ll , ll >
#define all(x) (x).begin(),(x).end()
#define SZ(x) (ll)(x).size()
#define X   first
#define Y   second
#define mp  make_pair
#define pii pair<int , int>
#define vec vector
#define file_io freopen("input.txt", "r", stdin);freopen("output.txt", "w", stdout);
#define migmig ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define pb push_back
// BIG p : 1000000000000037 , 100000000003
ll poww(ll a, ll b, ll md) {
    return (!b ? 1 : (b & 1 ? a * poww(a * a % md, b / 2, md) % md : poww(a * a % md, b / 2, md) % md));
}
const int maxn = 2000*100+5 ;
const ll inf = 9223372036854775807 ;
const ll mod = 1e9 + 7 ;
const int lg = 20 ;
int par[maxn] , sz[maxn] , mark[maxn] , d[maxn]  , flag , ans ;
vec<pair<int , pii>> e ;
void prep(){
	for(int i = 0 ; i < maxn ; i ++ ){
		par[i] = i ; 
		sz[i] = 1 ; 
		mark[i] = d[i] = 0 ; 
	}
}
int getpar(int v){
	return v == par[v] ? v : par[v] = getpar(par[v]) ;
} 
void merge(int x , int y){
	d[x] ++  , d[y] ++ ; 
	flag = 0 ; if(d[x] >= 3 || d[y] >= 3) flag = 1 ; 
	x = getpar(x) , y = getpar(y) ; 
	if(x == y){
		mark[x] = 1 ; 
		return ; 
	}
	if(sz[x] < sz[y]) swap(x , y) ; 
	par[y] = x ; 
	sz[x] += sz[y] ; 
	mark[x] |= (flag | mark[y] ) ; 
}
int getMinimumFuelCapacity(int x , int y){
	prep() ;
	for(auto u : e){
		merge(u.Y.X , u.Y.Y) ; 
		ans = u.X ; 
		if(getpar(x) == getpar(y) && mark[getpar(x)]){
			return ans ; 
		}
	}
	return -1 ; 
}
void init(int n , int m , vec<int> A , vec<int> B , vec<int> W ){
	for(int i = 0 ; i < m ; i ++ ){
		e.pb({W[i] , {A[i] , B[i]}}) ; 
	}
	sort(all(e)) ;
}
/*int main()
{
	migmig ;
	int n , m  ; 
	cin>>n>>m ; 
	int u[m] , v[m] , w[m] ;
	for(int i = 0 ; i < m ; i ++ ) cin>>u[i]>>v[i]>>w[i] ; 
	init(n , m , u , v , w) ;
	int q ; 
	cin>>q ; 
	while(q--){
		int U , V ; 
		cin>>U>>V ; 
		cout<<getMinimumFuelCapacity(U , V) << endl ; 
	}
}*/

Subtask #1
0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	3404 KB	Output is correct
2	Correct	3 ms	3404 KB	Output is correct
3	Correct	3 ms	3404 KB	Output is correct
4	Correct	3 ms	3408 KB	Output is correct
5	Correct	3 ms	3404 KB	Output is correct
6	Correct	3 ms	3404 KB	Output is correct
7	Correct	3 ms	3404 KB	Output is correct
8	Correct	4 ms	3404 KB	Output is correct
9	Correct	45 ms	5412 KB	Output is correct
10	Correct	61 ms	5716 KB	Output is correct
11	Correct	65 ms	5740 KB	Output is correct
12	Correct	68 ms	5796 KB	Output is correct
13	Correct	60 ms	5796 KB	Output is correct
14	Execution timed out	2064 ms	5544 KB	Time limit exceeded
15	Halted	0 ms	0 KB	-

Subtask #2
0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	3404 KB	Output is correct
2	Correct	3 ms	3404 KB	Output is correct
3	Execution timed out	2075 ms	7840 KB	Time limit exceeded
4	Halted	0 ms	0 KB	-

Subtask #3
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	3404 KB	Output is correct
2	Correct	3 ms	3404 KB	Output is correct
3	Correct	3 ms	3404 KB	Output is correct
4	Correct	3 ms	3408 KB	Output is correct
5	Correct	3 ms	3404 KB	Output is correct
6	Correct	3 ms	3404 KB	Output is correct
7	Correct	3 ms	3404 KB	Output is correct
8	Correct	4 ms	3404 KB	Output is correct
9	Correct	2 ms	3404 KB	Output is correct
10	Correct	3 ms	3404 KB	Output is correct
11	Correct	3 ms	3404 KB	Output is correct
12	Correct	4 ms	3404 KB	Output is correct
13	Correct	3 ms	3404 KB	Output is correct
14	Correct	3 ms	3404 KB	Output is correct
15	Correct	3 ms	3404 KB	Output is correct
16	Correct	3 ms	3404 KB	Output is correct
17	Correct	3 ms	3404 KB	Output is correct
18	Correct	3 ms	3408 KB	Output is correct
19	Correct	3 ms	3404 KB	Output is correct
20	Correct	3 ms	3404 KB	Output is correct
21	Correct	3 ms	3404 KB	Output is correct
22	Correct	3 ms	3532 KB	Output is correct
23	Correct	3 ms	3404 KB	Output is correct
24	Correct	4 ms	3532 KB	Output is correct
25	Correct	4 ms	3532 KB	Output is correct
26	Correct	4 ms	3532 KB	Output is correct
27	Correct	3 ms	3404 KB	Output is correct
28	Correct	4 ms	3532 KB	Output is correct

Subtask #4
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	3404 KB	Output is correct
2	Correct	2 ms	3404 KB	Output is correct
3	Correct	3 ms	3404 KB	Output is correct
4	Correct	3 ms	3404 KB	Output is correct
5	Correct	3 ms	3408 KB	Output is correct
6	Correct	3 ms	3404 KB	Output is correct
7	Correct	3 ms	3404 KB	Output is correct
8	Correct	3 ms	3404 KB	Output is correct
9	Correct	4 ms	3404 KB	Output is correct
10	Correct	45 ms	5412 KB	Output is correct
11	Correct	61 ms	5716 KB	Output is correct
12	Correct	65 ms	5740 KB	Output is correct
13	Correct	68 ms	5796 KB	Output is correct
14	Correct	60 ms	5796 KB	Output is correct
15	Correct	3 ms	3404 KB	Output is correct
16	Correct	3 ms	3404 KB	Output is correct
17	Correct	4 ms	3404 KB	Output is correct
18	Correct	3 ms	3404 KB	Output is correct
19	Correct	3 ms	3404 KB	Output is correct
20	Correct	3 ms	3404 KB	Output is correct
21	Correct	3 ms	3404 KB	Output is correct
22	Correct	3 ms	3404 KB	Output is correct
23	Correct	3 ms	3408 KB	Output is correct
24	Correct	3 ms	3404 KB	Output is correct
25	Correct	3 ms	3404 KB	Output is correct
26	Correct	3 ms	3404 KB	Output is correct
27	Correct	3 ms	3532 KB	Output is correct
28	Correct	3 ms	3404 KB	Output is correct
29	Correct	4 ms	3532 KB	Output is correct
30	Correct	4 ms	3532 KB	Output is correct
31	Correct	4 ms	3532 KB	Output is correct
32	Correct	3 ms	3404 KB	Output is correct
33	Correct	4 ms	3532 KB	Output is correct
34	Correct	9 ms	4236 KB	Output is correct
35	Correct	77 ms	7752 KB	Output is correct
36	Correct	74 ms	7700 KB	Output is correct
37	Correct	66 ms	7708 KB	Output is correct
38	Correct	66 ms	7632 KB	Output is correct
39	Correct	73 ms	7608 KB	Output is correct
40	Correct	60 ms	7288 KB	Output is correct
41	Correct	71 ms	7948 KB	Output is correct
42	Correct	68 ms	7712 KB	Output is correct
43	Correct	55 ms	7696 KB	Output is correct
44	Correct	71 ms	7916 KB	Output is correct
45	Correct	89 ms	10064 KB	Output is correct
46	Correct	67 ms	7692 KB	Output is correct
47	Correct	78 ms	7716 KB	Output is correct
48	Correct	67 ms	8092 KB	Output is correct
49	Correct	73 ms	9972 KB	Output is correct
50	Correct	58 ms	8624 KB	Output is correct
51	Correct	74 ms	9244 KB	Output is correct
52	Correct	100 ms	10700 KB	Output is correct
53	Correct	100 ms	11520 KB	Output is correct
54	Correct	117 ms	12172 KB	Output is correct
55	Correct	56 ms	7696 KB	Output is correct
56	Correct	109 ms	11256 KB	Output is correct

Subtask #5
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	3404 KB	Output is correct
2	Correct	3 ms	3404 KB	Output is correct
3	Correct	3 ms	3404 KB	Output is correct
4	Correct	3 ms	3408 KB	Output is correct
5	Correct	3 ms	3404 KB	Output is correct
6	Correct	3 ms	3404 KB	Output is correct
7	Correct	3 ms	3404 KB	Output is correct
8	Correct	4 ms	3404 KB	Output is correct
9	Correct	45 ms	5412 KB	Output is correct
10	Correct	61 ms	5716 KB	Output is correct
11	Correct	65 ms	5740 KB	Output is correct
12	Correct	68 ms	5796 KB	Output is correct
13	Correct	60 ms	5796 KB	Output is correct
14	Execution timed out	2064 ms	5544 KB	Time limit exceeded
15	Halted	0 ms	0 KB	-

Subtask #6
0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	3404 KB	Output is correct
2	Correct	2 ms	3404 KB	Output is correct
3	Correct	3 ms	3404 KB	Output is correct
4	Correct	3 ms	3404 KB	Output is correct
5	Correct	3 ms	3408 KB	Output is correct
6	Correct	3 ms	3404 KB	Output is correct
7	Correct	3 ms	3404 KB	Output is correct
8	Correct	3 ms	3404 KB	Output is correct
9	Correct	4 ms	3404 KB	Output is correct
10	Correct	45 ms	5412 KB	Output is correct
11	Correct	61 ms	5716 KB	Output is correct
12	Correct	65 ms	5740 KB	Output is correct
13	Correct	68 ms	5796 KB	Output is correct
14	Correct	60 ms	5796 KB	Output is correct
15	Execution timed out	2064 ms	5544 KB	Time limit exceeded
16	Halted	0 ms	0 KB	-

Submission #387707

Compilation message

Subtask #1 0 / 6.0

Subtask #2 0 / 7.0

Subtask #3 17.0 / 17.0

Subtask #4 20.0 / 20.0

Subtask #5 0 / 23.0

Subtask #6 0 / 27.0

Subtask #1
0 / 6.0

Subtask #2
0 / 7.0

Subtask #3
17.0 / 17.0

Subtask #4
20.0 / 20.0

Subtask #5
0 / 23.0

Subtask #6
0 / 27.0