Submission #1114262

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1114262	2024-11-18T13:15:15 Z	epicci23	Netrpeljivost (COI23_netrpeljivost)	C++17	59 / 100	411 ms	13392 KB

Main

#include "bits/stdc++.h"
#define int long long
#define all(v) v.begin() , v.end()
#define sz(a) (int)a.size()
using namespace std;

const int INF = 1e18;
const int N = 520;

int cost[N][N],dp[N][N],pre[N][N];

void f(int l,int r){
  
  if(l+1==r){
    dp[l][l]=dp[r][r]=0;
    dp[l][r]=dp[r][l]=cost[l][r];
    return;
  }

  int m=(l+r)/2;
  f(l,m),f(m+1,r);
   
  int col[N];
  for(int i=l;i<=r;i++){
    if(i<=m) col[i]=0;
    else col[i]=1;
  }

  for(int b=l;b<=r;b++)
    for(int c=l;c<=r;c++)
      for(int d=l;d<=r;d++){
      	if(col[b]==col[c]) continue;
        if(col[c]==col[d]) continue;
        if(col[b]!=col[d]) continue;
  	    if(d==c || d==b || b==c) continue;
      	pre[b][c]=min(pre[b][c], dp[d][b] + cost[c][d]);
      }

  for(int a=l;a<=r;a++){
  	for(int b=l;b<=r;b++){
  	  if(col[a]==col[b]) continue;
  	  for(int c=l;c<=r;c++){
  	  	if(c==a || c==b || a==b) continue;
  	  	if(col[a] != col[c]) continue;
  	  	dp[a][b] = min(dp[a][b], dp[a][c] + pre[b][c]);
  	  }
  	}
  }

  for(int a=l;a<=r;a++) 
    for(int b=l;b<=r;b++) 
      if(col[a]==col[b]){
       dp[b][a]=dp[a][b]=INF;
       pre[a][b]=pre[b][a]=INF;
      }
}

void _(){
  int n;
  cin >> n;
  
  for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) pre[i][j]=dp[i][j]=INF;
  	
  for(int i=1;i<=n;i++){
  	for(int j=1;j<=n;j++){
  	  cin >> cost[i][j];
  	}
  }
  
  f(1,n);
  int ans=INF;
  for(int i=1;i<=n;i++){
  	for(int j=1;j<=n;j++){
      if(i<=n/2 && j<=n/2) continue;
      if(i>n/2 && j>n/2) continue;
  	  ans=min(ans,dp[i][j]);
  	}
  }

  cout << ans << '\n';
}

int32_t main(){
  cin.tie(0); ios::sync_with_stdio(0);
  int tc=1;//cin >> tc;
  while(tc--) _();
  return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	6480 KB	Output is correct
2	Correct	2 ms	6480 KB	Output is correct
3	Correct	2 ms	6480 KB	Output is correct
4	Correct	2 ms	6480 KB	Output is correct
5	Correct	1 ms	6480 KB	Output is correct
6	Correct	1 ms	6480 KB	Output is correct
7	Correct	2 ms	6480 KB	Output is correct
8	Correct	1 ms	6480 KB	Output is correct
9	Correct	2 ms	6480 KB	Output is correct
10	Correct	1 ms	6480 KB	Output is correct
11	Correct	1 ms	6480 KB	Output is correct
12	Correct	2 ms	6480 KB	Output is correct
13	Correct	2 ms	6480 KB	Output is correct
14	Correct	2 ms	6480 KB	Output is correct
15	Correct	1 ms	6480 KB	Output is correct
16	Correct	2 ms	6480 KB	Output is correct
17	Correct	1 ms	6480 KB	Output is correct
18	Correct	2 ms	6652 KB	Output is correct
19	Correct	2 ms	6480 KB	Output is correct
20	Correct	2 ms	6620 KB	Output is correct

Subtask #2
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	6480 KB	Output is correct
2	Correct	2 ms	6480 KB	Output is correct
3	Correct	2 ms	6480 KB	Output is correct
4	Correct	2 ms	6480 KB	Output is correct
5	Correct	1 ms	6480 KB	Output is correct
6	Correct	1 ms	6480 KB	Output is correct
7	Correct	2 ms	6480 KB	Output is correct
8	Correct	1 ms	6480 KB	Output is correct
9	Correct	2 ms	6480 KB	Output is correct
10	Correct	1 ms	6480 KB	Output is correct
11	Correct	1 ms	6480 KB	Output is correct
12	Correct	2 ms	6480 KB	Output is correct
13	Correct	2 ms	6480 KB	Output is correct
14	Correct	2 ms	6480 KB	Output is correct
15	Correct	1 ms	6480 KB	Output is correct
16	Correct	2 ms	6480 KB	Output is correct
17	Correct	1 ms	6480 KB	Output is correct
18	Correct	2 ms	6652 KB	Output is correct
19	Correct	2 ms	6480 KB	Output is correct
20	Correct	2 ms	6620 KB	Output is correct
21	Correct	9 ms	6992 KB	Output is correct
22	Correct	9 ms	6992 KB	Output is correct
23	Correct	8 ms	6992 KB	Output is correct
24	Correct	3 ms	6736 KB	Output is correct
25	Correct	3 ms	6904 KB	Output is correct
26	Correct	8 ms	6736 KB	Output is correct
27	Correct	9 ms	6992 KB	Output is correct
28	Correct	8 ms	6992 KB	Output is correct
29	Correct	8 ms	6904 KB	Output is correct
30	Correct	9 ms	6736 KB	Output is correct
31	Correct	9 ms	6992 KB	Output is correct
32	Correct	8 ms	6828 KB	Output is correct
33	Correct	9 ms	6932 KB	Output is correct
34	Correct	8 ms	6736 KB	Output is correct
35	Correct	9 ms	6968 KB	Output is correct
36	Correct	8 ms	6904 KB	Output is correct
37	Correct	9 ms	6736 KB	Output is correct
38	Correct	9 ms	6736 KB	Output is correct
39	Correct	8 ms	6988 KB	Output is correct
40	Correct	8 ms	7016 KB	Output is correct

Subtask #3
32.0 / 32.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	6480 KB	Output is correct
2	Correct	2 ms	6480 KB	Output is correct
3	Correct	2 ms	6480 KB	Output is correct
4	Correct	2 ms	6480 KB	Output is correct
5	Correct	1 ms	6480 KB	Output is correct
6	Correct	1 ms	6480 KB	Output is correct
7	Correct	2 ms	6480 KB	Output is correct
8	Correct	1 ms	6480 KB	Output is correct
9	Correct	2 ms	6480 KB	Output is correct
10	Correct	1 ms	6480 KB	Output is correct
11	Correct	1 ms	6480 KB	Output is correct
12	Correct	2 ms	6480 KB	Output is correct
13	Correct	2 ms	6480 KB	Output is correct
14	Correct	2 ms	6480 KB	Output is correct
15	Correct	1 ms	6480 KB	Output is correct
16	Correct	2 ms	6480 KB	Output is correct
17	Correct	1 ms	6480 KB	Output is correct
18	Correct	2 ms	6652 KB	Output is correct
19	Correct	2 ms	6480 KB	Output is correct
20	Correct	2 ms	6620 KB	Output is correct
21	Correct	9 ms	6992 KB	Output is correct
22	Correct	9 ms	6992 KB	Output is correct
23	Correct	8 ms	6992 KB	Output is correct
24	Correct	3 ms	6736 KB	Output is correct
25	Correct	3 ms	6904 KB	Output is correct
26	Correct	8 ms	6736 KB	Output is correct
27	Correct	9 ms	6992 KB	Output is correct
28	Correct	8 ms	6992 KB	Output is correct
29	Correct	8 ms	6904 KB	Output is correct
30	Correct	9 ms	6736 KB	Output is correct
31	Correct	9 ms	6992 KB	Output is correct
32	Correct	8 ms	6828 KB	Output is correct
33	Correct	9 ms	6932 KB	Output is correct
34	Correct	8 ms	6736 KB	Output is correct
35	Correct	9 ms	6968 KB	Output is correct
36	Correct	8 ms	6904 KB	Output is correct
37	Correct	9 ms	6736 KB	Output is correct
38	Correct	9 ms	6736 KB	Output is correct
39	Correct	8 ms	6988 KB	Output is correct
40	Correct	8 ms	7016 KB	Output is correct
41	Correct	356 ms	9296 KB	Output is correct
42	Correct	365 ms	9288 KB	Output is correct
43	Correct	383 ms	9344 KB	Output is correct
44	Correct	361 ms	9296 KB	Output is correct
45	Correct	363 ms	9544 KB	Output is correct
46	Correct	358 ms	9340 KB	Output is correct
47	Correct	352 ms	9296 KB	Output is correct
48	Correct	353 ms	9032 KB	Output is correct
49	Correct	411 ms	9288 KB	Output is correct
50	Correct	371 ms	9176 KB	Output is correct
51	Correct	362 ms	9384 KB	Output is correct
52	Correct	368 ms	9340 KB	Output is correct
53	Correct	362 ms	9564 KB	Output is correct
54	Correct	365 ms	9296 KB	Output is correct
55	Correct	358 ms	9228 KB	Output is correct
56	Correct	368 ms	9288 KB	Output is correct
57	Correct	360 ms	9236 KB	Output is correct
58	Correct	389 ms	9344 KB	Output is correct
59	Correct	367 ms	9296 KB	Output is correct
60	Correct	385 ms	9544 KB	Output is correct

Subtask #4
0 / 41.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	6480 KB	Output is correct
2	Correct	2 ms	6480 KB	Output is correct
3	Correct	2 ms	6480 KB	Output is correct
4	Correct	2 ms	6480 KB	Output is correct
5	Correct	1 ms	6480 KB	Output is correct
6	Correct	1 ms	6480 KB	Output is correct
7	Correct	2 ms	6480 KB	Output is correct
8	Correct	1 ms	6480 KB	Output is correct
9	Correct	2 ms	6480 KB	Output is correct
10	Correct	1 ms	6480 KB	Output is correct
11	Correct	1 ms	6480 KB	Output is correct
12	Correct	2 ms	6480 KB	Output is correct
13	Correct	2 ms	6480 KB	Output is correct
14	Correct	2 ms	6480 KB	Output is correct
15	Correct	1 ms	6480 KB	Output is correct
16	Correct	2 ms	6480 KB	Output is correct
17	Correct	1 ms	6480 KB	Output is correct
18	Correct	2 ms	6652 KB	Output is correct
19	Correct	2 ms	6480 KB	Output is correct
20	Correct	2 ms	6620 KB	Output is correct
21	Correct	9 ms	6992 KB	Output is correct
22	Correct	9 ms	6992 KB	Output is correct
23	Correct	8 ms	6992 KB	Output is correct
24	Correct	3 ms	6736 KB	Output is correct
25	Correct	3 ms	6904 KB	Output is correct
26	Correct	8 ms	6736 KB	Output is correct
27	Correct	9 ms	6992 KB	Output is correct
28	Correct	8 ms	6992 KB	Output is correct
29	Correct	8 ms	6904 KB	Output is correct
30	Correct	9 ms	6736 KB	Output is correct
31	Correct	9 ms	6992 KB	Output is correct
32	Correct	8 ms	6828 KB	Output is correct
33	Correct	9 ms	6932 KB	Output is correct
34	Correct	8 ms	6736 KB	Output is correct
35	Correct	9 ms	6968 KB	Output is correct
36	Correct	8 ms	6904 KB	Output is correct
37	Correct	9 ms	6736 KB	Output is correct
38	Correct	9 ms	6736 KB	Output is correct
39	Correct	8 ms	6988 KB	Output is correct
40	Correct	8 ms	7016 KB	Output is correct
41	Correct	356 ms	9296 KB	Output is correct
42	Correct	365 ms	9288 KB	Output is correct
43	Correct	383 ms	9344 KB	Output is correct
44	Correct	361 ms	9296 KB	Output is correct
45	Correct	363 ms	9544 KB	Output is correct
46	Correct	358 ms	9340 KB	Output is correct
47	Correct	352 ms	9296 KB	Output is correct
48	Correct	353 ms	9032 KB	Output is correct
49	Correct	411 ms	9288 KB	Output is correct
50	Correct	371 ms	9176 KB	Output is correct
51	Correct	362 ms	9384 KB	Output is correct
52	Correct	368 ms	9340 KB	Output is correct
53	Correct	362 ms	9564 KB	Output is correct
54	Correct	365 ms	9296 KB	Output is correct
55	Correct	358 ms	9228 KB	Output is correct
56	Correct	368 ms	9288 KB	Output is correct
57	Correct	360 ms	9236 KB	Output is correct
58	Correct	389 ms	9344 KB	Output is correct
59	Correct	367 ms	9296 KB	Output is correct
60	Correct	385 ms	9544 KB	Output is correct
61	Runtime error	13 ms	13392 KB	Execution killed with signal 11
62	Halted	0 ms	0 KB	-

Submission #1114262

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 17.0 / 17.0

Subtask #3 32.0 / 32.0

Subtask #4 0 / 41.0

Subtask #1
10.0 / 10.0

Subtask #2
17.0 / 17.0

Subtask #3
32.0 / 32.0

Subtask #4
0 / 41.0