#include <bits/stdc++.h>
#define pb push_back
#define int long long
using namespace std;
const int inf = 1e15 + 10;
const int N = 2048 + 10;
vector<vector<int> > c(N, vector<int>(N));
vector<vector<int> > dp[N];
void f(int node, int l, int r){
if(l == r){
dp[node].resize(1);
dp[node][0].resize(1);
dp[node][0][0] = 0;
return;
}
int m = (l + r)/2;
f(node * 2, l, m);
f(node * 2 + 1, m+1, r);
int sz = (r - l + 1);
dp[node].resize(sz);
for(int i = 0; i < sz; i++){
dp[node][i].resize(sz);
}
for(int i = 0; i < sz; i++){
for(int j = 0; j < sz; j++){
dp[node][i][j] = inf;
}
}
vector<vector<int> > dpl(sz/2, vector<int>(sz/2, inf));
for(int l1 = 0; l1 < sz/2; l1++){
for(int r1 = 0; r1 < sz/2; r1++){
for(int l2 = 0; l2 < sz/2; l2++){
dpl[l1][l2] = min(dpl[l1][l2], dp[node*2][l1][r1] + c[r1 + l][l2 + l + sz/2]);
}
}
}
for(int l1 = 0; l1 < sz/2; l1++){
for(int r2 = 0; r2 < sz/2; r2++){
for(int l2 = 0; l2 < sz/2; l2++){
/*
for(int r1 = 0; r1 < sz/2; r1++){
dp[node][l1][r2 + sz/2] = min(dp[node][l1][r2 + sz/2], dp[node*2][l1][r1] + c[l2 + sz/2 + l][r1 + l] + dp[node*2+1][l2][r2]);
}
*/
dp[node][l1][r2 + sz/2] = min(dp[node][l1][r2 + sz/2], dpl[l1][l2] + dp[node*2+1][l2][r2]);
}
}
}
vector<vector<int> > dpr(sz/2, vector<int>(sz/2, inf));
for(int l2 = 0; l2 < sz/2; l2++){
for(int r2 = 0; r2 < sz/2; r2++){
for(int l1 = 0; l1 < sz/2; l1++){
dpr[l2][l1] = min(dpr[l2][l1], dp[node*2 + 1][l2][r2] + c[r2 + l + sz/2][l1 + l]);
}
}
}
for(int l2 = 0; l2 < sz/2; l2++){
for(int r1 = 0; r1 < sz/2; r1++){
for(int l1 = 0; l1 < sz/2; l1++){
/*
for(int r2 = 0; r2 < sz/2; r2++){
dp[node][l2 + sz/2][r1] = min(dp[node][l2 + sz/2][r1], dp[node*2+1][l2][r2] + c[r2 + sz/2 + l][l1 + l] + dp[node*2][l1][r1]);
}
*/
dp[node][l2 + sz/2][r1] = min(dp[node][l2 + sz/2][r1], dpr[l2][l1] + dp[node*2][l1][r1]);
}
}
}
}
int32_t main(){
ios_base::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
int n;
cin>>n;
for(int i = 0; i < n; i++){
for(int j = 0; j < n; j++){
cin>>c[i][j];
}
}
f(1, 0, n-1);
int ans = inf;
for(int l = 0; l < n; l++){
for(int r = 0; r < n; r++){
//cout<<l<<" "<<r<<" -> "<<dp[1][l][r]<<endl;
ans = min(ans, dp[1][l][r]);
}
}
cout<<ans<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
33616 KB |
Output is correct |
2 |
Correct |
29 ms |
33616 KB |
Output is correct |
3 |
Correct |
26 ms |
33616 KB |
Output is correct |
4 |
Correct |
33 ms |
33656 KB |
Output is correct |
5 |
Correct |
25 ms |
33616 KB |
Output is correct |
6 |
Correct |
24 ms |
33608 KB |
Output is correct |
7 |
Correct |
26 ms |
33608 KB |
Output is correct |
8 |
Correct |
29 ms |
33616 KB |
Output is correct |
9 |
Correct |
26 ms |
33692 KB |
Output is correct |
10 |
Correct |
28 ms |
33608 KB |
Output is correct |
11 |
Correct |
27 ms |
33616 KB |
Output is correct |
12 |
Correct |
26 ms |
33616 KB |
Output is correct |
13 |
Correct |
26 ms |
33540 KB |
Output is correct |
14 |
Correct |
26 ms |
33560 KB |
Output is correct |
15 |
Correct |
26 ms |
33616 KB |
Output is correct |
16 |
Correct |
25 ms |
33616 KB |
Output is correct |
17 |
Correct |
28 ms |
33616 KB |
Output is correct |
18 |
Correct |
24 ms |
33620 KB |
Output is correct |
19 |
Correct |
25 ms |
33616 KB |
Output is correct |
20 |
Correct |
24 ms |
33616 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
33616 KB |
Output is correct |
2 |
Correct |
29 ms |
33616 KB |
Output is correct |
3 |
Correct |
26 ms |
33616 KB |
Output is correct |
4 |
Correct |
33 ms |
33656 KB |
Output is correct |
5 |
Correct |
25 ms |
33616 KB |
Output is correct |
6 |
Correct |
24 ms |
33608 KB |
Output is correct |
7 |
Correct |
26 ms |
33608 KB |
Output is correct |
8 |
Correct |
29 ms |
33616 KB |
Output is correct |
9 |
Correct |
26 ms |
33692 KB |
Output is correct |
10 |
Correct |
28 ms |
33608 KB |
Output is correct |
11 |
Correct |
27 ms |
33616 KB |
Output is correct |
12 |
Correct |
26 ms |
33616 KB |
Output is correct |
13 |
Correct |
26 ms |
33540 KB |
Output is correct |
14 |
Correct |
26 ms |
33560 KB |
Output is correct |
15 |
Correct |
26 ms |
33616 KB |
Output is correct |
16 |
Correct |
25 ms |
33616 KB |
Output is correct |
17 |
Correct |
28 ms |
33616 KB |
Output is correct |
18 |
Correct |
24 ms |
33620 KB |
Output is correct |
19 |
Correct |
25 ms |
33616 KB |
Output is correct |
20 |
Correct |
24 ms |
33616 KB |
Output is correct |
21 |
Correct |
26 ms |
34128 KB |
Output is correct |
22 |
Correct |
27 ms |
33872 KB |
Output is correct |
23 |
Correct |
25 ms |
34008 KB |
Output is correct |
24 |
Correct |
28 ms |
33628 KB |
Output is correct |
25 |
Correct |
28 ms |
33616 KB |
Output is correct |
26 |
Correct |
30 ms |
34088 KB |
Output is correct |
27 |
Correct |
25 ms |
34096 KB |
Output is correct |
28 |
Correct |
30 ms |
34128 KB |
Output is correct |
29 |
Correct |
25 ms |
34084 KB |
Output is correct |
30 |
Correct |
25 ms |
34128 KB |
Output is correct |
31 |
Correct |
25 ms |
33864 KB |
Output is correct |
32 |
Correct |
29 ms |
34128 KB |
Output is correct |
33 |
Correct |
34 ms |
33864 KB |
Output is correct |
34 |
Correct |
31 ms |
34092 KB |
Output is correct |
35 |
Correct |
31 ms |
34128 KB |
Output is correct |
36 |
Correct |
28 ms |
33872 KB |
Output is correct |
37 |
Correct |
28 ms |
33864 KB |
Output is correct |
38 |
Correct |
27 ms |
33872 KB |
Output is correct |
39 |
Correct |
27 ms |
33988 KB |
Output is correct |
40 |
Correct |
29 ms |
33876 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
33616 KB |
Output is correct |
2 |
Correct |
29 ms |
33616 KB |
Output is correct |
3 |
Correct |
26 ms |
33616 KB |
Output is correct |
4 |
Correct |
33 ms |
33656 KB |
Output is correct |
5 |
Correct |
25 ms |
33616 KB |
Output is correct |
6 |
Correct |
24 ms |
33608 KB |
Output is correct |
7 |
Correct |
26 ms |
33608 KB |
Output is correct |
8 |
Correct |
29 ms |
33616 KB |
Output is correct |
9 |
Correct |
26 ms |
33692 KB |
Output is correct |
10 |
Correct |
28 ms |
33608 KB |
Output is correct |
11 |
Correct |
27 ms |
33616 KB |
Output is correct |
12 |
Correct |
26 ms |
33616 KB |
Output is correct |
13 |
Correct |
26 ms |
33540 KB |
Output is correct |
14 |
Correct |
26 ms |
33560 KB |
Output is correct |
15 |
Correct |
26 ms |
33616 KB |
Output is correct |
16 |
Correct |
25 ms |
33616 KB |
Output is correct |
17 |
Correct |
28 ms |
33616 KB |
Output is correct |
18 |
Correct |
24 ms |
33620 KB |
Output is correct |
19 |
Correct |
25 ms |
33616 KB |
Output is correct |
20 |
Correct |
24 ms |
33616 KB |
Output is correct |
21 |
Correct |
26 ms |
34128 KB |
Output is correct |
22 |
Correct |
27 ms |
33872 KB |
Output is correct |
23 |
Correct |
25 ms |
34008 KB |
Output is correct |
24 |
Correct |
28 ms |
33628 KB |
Output is correct |
25 |
Correct |
28 ms |
33616 KB |
Output is correct |
26 |
Correct |
30 ms |
34088 KB |
Output is correct |
27 |
Correct |
25 ms |
34096 KB |
Output is correct |
28 |
Correct |
30 ms |
34128 KB |
Output is correct |
29 |
Correct |
25 ms |
34084 KB |
Output is correct |
30 |
Correct |
25 ms |
34128 KB |
Output is correct |
31 |
Correct |
25 ms |
33864 KB |
Output is correct |
32 |
Correct |
29 ms |
34128 KB |
Output is correct |
33 |
Correct |
34 ms |
33864 KB |
Output is correct |
34 |
Correct |
31 ms |
34092 KB |
Output is correct |
35 |
Correct |
31 ms |
34128 KB |
Output is correct |
36 |
Correct |
28 ms |
33872 KB |
Output is correct |
37 |
Correct |
28 ms |
33864 KB |
Output is correct |
38 |
Correct |
27 ms |
33872 KB |
Output is correct |
39 |
Correct |
27 ms |
33988 KB |
Output is correct |
40 |
Correct |
29 ms |
33876 KB |
Output is correct |
41 |
Correct |
134 ms |
38888 KB |
Output is correct |
42 |
Correct |
123 ms |
41288 KB |
Output is correct |
43 |
Correct |
136 ms |
41544 KB |
Output is correct |
44 |
Correct |
127 ms |
41404 KB |
Output is correct |
45 |
Correct |
134 ms |
41556 KB |
Output is correct |
46 |
Correct |
143 ms |
41544 KB |
Output is correct |
47 |
Correct |
137 ms |
41544 KB |
Output is correct |
48 |
Correct |
144 ms |
41652 KB |
Output is correct |
49 |
Correct |
135 ms |
41544 KB |
Output is correct |
50 |
Correct |
133 ms |
41548 KB |
Output is correct |
51 |
Correct |
159 ms |
41504 KB |
Output is correct |
52 |
Correct |
139 ms |
41676 KB |
Output is correct |
53 |
Correct |
142 ms |
41544 KB |
Output is correct |
54 |
Correct |
150 ms |
41660 KB |
Output is correct |
55 |
Correct |
135 ms |
41672 KB |
Output is correct |
56 |
Correct |
143 ms |
41544 KB |
Output is correct |
57 |
Correct |
149 ms |
41444 KB |
Output is correct |
58 |
Correct |
139 ms |
41548 KB |
Output is correct |
59 |
Correct |
137 ms |
41544 KB |
Output is correct |
60 |
Correct |
155 ms |
41544 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
33616 KB |
Output is correct |
2 |
Correct |
29 ms |
33616 KB |
Output is correct |
3 |
Correct |
26 ms |
33616 KB |
Output is correct |
4 |
Correct |
33 ms |
33656 KB |
Output is correct |
5 |
Correct |
25 ms |
33616 KB |
Output is correct |
6 |
Correct |
24 ms |
33608 KB |
Output is correct |
7 |
Correct |
26 ms |
33608 KB |
Output is correct |
8 |
Correct |
29 ms |
33616 KB |
Output is correct |
9 |
Correct |
26 ms |
33692 KB |
Output is correct |
10 |
Correct |
28 ms |
33608 KB |
Output is correct |
11 |
Correct |
27 ms |
33616 KB |
Output is correct |
12 |
Correct |
26 ms |
33616 KB |
Output is correct |
13 |
Correct |
26 ms |
33540 KB |
Output is correct |
14 |
Correct |
26 ms |
33560 KB |
Output is correct |
15 |
Correct |
26 ms |
33616 KB |
Output is correct |
16 |
Correct |
25 ms |
33616 KB |
Output is correct |
17 |
Correct |
28 ms |
33616 KB |
Output is correct |
18 |
Correct |
24 ms |
33620 KB |
Output is correct |
19 |
Correct |
25 ms |
33616 KB |
Output is correct |
20 |
Correct |
24 ms |
33616 KB |
Output is correct |
21 |
Correct |
26 ms |
34128 KB |
Output is correct |
22 |
Correct |
27 ms |
33872 KB |
Output is correct |
23 |
Correct |
25 ms |
34008 KB |
Output is correct |
24 |
Correct |
28 ms |
33628 KB |
Output is correct |
25 |
Correct |
28 ms |
33616 KB |
Output is correct |
26 |
Correct |
30 ms |
34088 KB |
Output is correct |
27 |
Correct |
25 ms |
34096 KB |
Output is correct |
28 |
Correct |
30 ms |
34128 KB |
Output is correct |
29 |
Correct |
25 ms |
34084 KB |
Output is correct |
30 |
Correct |
25 ms |
34128 KB |
Output is correct |
31 |
Correct |
25 ms |
33864 KB |
Output is correct |
32 |
Correct |
29 ms |
34128 KB |
Output is correct |
33 |
Correct |
34 ms |
33864 KB |
Output is correct |
34 |
Correct |
31 ms |
34092 KB |
Output is correct |
35 |
Correct |
31 ms |
34128 KB |
Output is correct |
36 |
Correct |
28 ms |
33872 KB |
Output is correct |
37 |
Correct |
28 ms |
33864 KB |
Output is correct |
38 |
Correct |
27 ms |
33872 KB |
Output is correct |
39 |
Correct |
27 ms |
33988 KB |
Output is correct |
40 |
Correct |
29 ms |
33876 KB |
Output is correct |
41 |
Correct |
134 ms |
38888 KB |
Output is correct |
42 |
Correct |
123 ms |
41288 KB |
Output is correct |
43 |
Correct |
136 ms |
41544 KB |
Output is correct |
44 |
Correct |
127 ms |
41404 KB |
Output is correct |
45 |
Correct |
134 ms |
41556 KB |
Output is correct |
46 |
Correct |
143 ms |
41544 KB |
Output is correct |
47 |
Correct |
137 ms |
41544 KB |
Output is correct |
48 |
Correct |
144 ms |
41652 KB |
Output is correct |
49 |
Correct |
135 ms |
41544 KB |
Output is correct |
50 |
Correct |
133 ms |
41548 KB |
Output is correct |
51 |
Correct |
159 ms |
41504 KB |
Output is correct |
52 |
Correct |
139 ms |
41676 KB |
Output is correct |
53 |
Correct |
142 ms |
41544 KB |
Output is correct |
54 |
Correct |
150 ms |
41660 KB |
Output is correct |
55 |
Correct |
135 ms |
41672 KB |
Output is correct |
56 |
Correct |
143 ms |
41544 KB |
Output is correct |
57 |
Correct |
149 ms |
41444 KB |
Output is correct |
58 |
Correct |
139 ms |
41548 KB |
Output is correct |
59 |
Correct |
137 ms |
41544 KB |
Output is correct |
60 |
Correct |
155 ms |
41544 KB |
Output is correct |
61 |
Runtime error |
396 ms |
108348 KB |
Execution killed with signal 6 |
62 |
Halted |
0 ms |
0 KB |
- |