Submission #853636

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
853636	2023-09-24T18:38:41 Z	manizare	Arranging Tickets (JOI17_arranging_tickets)	C++14	65 / 100	553 ms	12440 KB

arranging_tickets

#include <bits/stdc++.h> 
 
#define pb push_back
#define F first
#define S second 
#define all(a) a.begin(),a.end()
#define pii pair <int,int>
#define Pii pair< pii , pii >
#define int long long
 
using namespace std ;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
 
const int maxn = 4000 + 10 , maxq = 1e7 + 1 ,  inf = 1e18 + 10 , mod= 998244353 ,lg = 20 ;
vector <pii> que  ;int pr[maxn] , n ;
vector <int> k[maxn] ;
int ch(int x){
  priority_queue <int> pq ;
  for(int i =0 ; i < n ; i++){
    pr[i] =0  ;
  }
  for(int i =0 ; i < que.size() ; i++){
    int a = que[i].F , b = que[i].S ;
    a = (a-x+n)%n ;
    b = (b-x+n)%n;
    if(b < a)swap(a , b) ; 
    pr[a] ++ ;
    pr[b]-- ;
    k[a].pb(b); 
  }
  int ans =0 ;
  for(int i =0 ; i < n ; i++){
    if(i)pr[i] += pr[i-1] ;
    for(int j =0  ; j < k[i].size() ; j++){
      pq.push(k[i][j]) ;
    }
    while(pq.size() && pr[i] > 0){
      int v = pq.top() ; pq.pop() ;
      pr[i]-=2 ;
      pr[v]+=2 ;
      ans++;
    }
  }
  for(int i = 0 ; i< n ; i++){
    k[i].clear() ;
  }
  return ans ;
}

signed main(){
  int m ;
  cin >> n >> m ;
  for(int i = 1; i <= m ; i++){
    int a , b  , c; 
    cin >> a >> b >> c; 
    a--;b--;
    que.pb({a,b}) ;
  }
  int a =inf  ;
  for(int i = 0; i < n ; i++){
    a = min(a , ch(i)) ;
  }
  cout << a ;
}
/*

*/

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct

Subtask #2
35.0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	5 ms	344 KB	Output is correct
17	Correct	6 ms	500 KB	Output is correct
18	Correct	5 ms	348 KB	Output is correct
19	Correct	5 ms	344 KB	Output is correct
20	Correct	5 ms	344 KB	Output is correct
21	Correct	5 ms	344 KB	Output is correct
22	Correct	5 ms	348 KB	Output is correct
23	Correct	5 ms	348 KB	Output is correct
24	Correct	5 ms	600 KB	Output is correct
25	Correct	5 ms	344 KB	Output is correct
26	Correct	5 ms	600 KB	Output is correct
27	Correct	5 ms	600 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	5 ms	344 KB	Output is correct
17	Correct	6 ms	500 KB	Output is correct
18	Correct	5 ms	348 KB	Output is correct
19	Correct	5 ms	344 KB	Output is correct
20	Correct	5 ms	344 KB	Output is correct
21	Correct	5 ms	344 KB	Output is correct
22	Correct	5 ms	348 KB	Output is correct
23	Correct	5 ms	348 KB	Output is correct
24	Correct	5 ms	600 KB	Output is correct
25	Correct	5 ms	344 KB	Output is correct
26	Correct	5 ms	600 KB	Output is correct
27	Correct	5 ms	600 KB	Output is correct
28	Correct	552 ms	860 KB	Output is correct
29	Correct	550 ms	856 KB	Output is correct
30	Correct	547 ms	852 KB	Output is correct
31	Correct	553 ms	848 KB	Output is correct
32	Correct	546 ms	1192 KB	Output is correct
33	Correct	550 ms	6736 KB	Output is correct
34	Correct	537 ms	6844 KB	Output is correct
35	Correct	545 ms	12440 KB	Output is correct
36	Correct	547 ms	6616 KB	Output is correct
37	Correct	417 ms	600 KB	Output is correct
38	Correct	238 ms	600 KB	Output is correct
39	Correct	292 ms	760 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	5 ms	344 KB	Output is correct
17	Correct	6 ms	500 KB	Output is correct
18	Correct	5 ms	348 KB	Output is correct
19	Correct	5 ms	344 KB	Output is correct
20	Correct	5 ms	344 KB	Output is correct
21	Correct	5 ms	344 KB	Output is correct
22	Correct	5 ms	348 KB	Output is correct
23	Correct	5 ms	348 KB	Output is correct
24	Correct	5 ms	600 KB	Output is correct
25	Correct	5 ms	344 KB	Output is correct
26	Correct	5 ms	600 KB	Output is correct
27	Correct	5 ms	600 KB	Output is correct
28	Correct	552 ms	860 KB	Output is correct
29	Correct	550 ms	856 KB	Output is correct
30	Correct	547 ms	852 KB	Output is correct
31	Correct	553 ms	848 KB	Output is correct
32	Correct	546 ms	1192 KB	Output is correct
33	Correct	550 ms	6736 KB	Output is correct
34	Correct	537 ms	6844 KB	Output is correct
35	Correct	545 ms	12440 KB	Output is correct
36	Correct	547 ms	6616 KB	Output is correct
37	Correct	417 ms	600 KB	Output is correct
38	Correct	238 ms	600 KB	Output is correct
39	Correct	292 ms	760 KB	Output is correct
40	Runtime error	55 ms	5592 KB	Execution killed with signal 11
41	Halted	0 ms	0 KB	-

Subtask #5
0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	5 ms	344 KB	Output is correct
17	Correct	6 ms	500 KB	Output is correct
18	Correct	5 ms	348 KB	Output is correct
19	Correct	5 ms	344 KB	Output is correct
20	Correct	5 ms	344 KB	Output is correct
21	Correct	5 ms	344 KB	Output is correct
22	Correct	5 ms	348 KB	Output is correct
23	Correct	5 ms	348 KB	Output is correct
24	Correct	5 ms	600 KB	Output is correct
25	Correct	5 ms	344 KB	Output is correct
26	Correct	5 ms	600 KB	Output is correct
27	Correct	5 ms	600 KB	Output is correct
28	Correct	552 ms	860 KB	Output is correct
29	Correct	550 ms	856 KB	Output is correct
30	Correct	547 ms	852 KB	Output is correct
31	Correct	553 ms	848 KB	Output is correct
32	Correct	546 ms	1192 KB	Output is correct
33	Correct	550 ms	6736 KB	Output is correct
34	Correct	537 ms	6844 KB	Output is correct
35	Correct	545 ms	12440 KB	Output is correct
36	Correct	547 ms	6616 KB	Output is correct
37	Correct	417 ms	600 KB	Output is correct
38	Correct	238 ms	600 KB	Output is correct
39	Correct	292 ms	760 KB	Output is correct
40	Runtime error	55 ms	5592 KB	Execution killed with signal 11
41	Halted	0 ms	0 KB	-

Submission #853636

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 35.0 / 35.0

Subtask #3 20.0 / 20.0

Subtask #4 0 / 20.0

Subtask #5 0 / 15.0

Subtask #1
10.0 / 10.0

Subtask #2
35.0 / 35.0

Subtask #3
20.0 / 20.0

Subtask #4
0 / 20.0

Subtask #5
0 / 15.0