#include <bits/stdc++.h>
using namespace std;
const int MAXN = 2005;
using lint = long long;
using pi = pair<int, int>;
struct pnt{
int x, y;
bool operator<(const pnt &p)const{
return pi(x, y) < pi(p.x, p.y);
}
}a[MAXN];
int n;
lint dp[MAXN][MAXN];
int cnt[3][MAXN];
int dist(pnt a, pi b){
return abs(a.y - b.first) + abs(a.x - b.second);
}
lint f(int l, int r){
if(l == n + 1 && r == n + 1) return 0;
if(~dp[l][r]) return dp[l][r];
lint ret = 1e18;
if(l < n + 1){
ret = min(ret, dist(a[l+r-2], pi(1, l)) + f(l + 1, r));
}
if(r < n + 1){
ret = min(ret, dist(a[l+r-2], pi(2, r)) + f(l, r + 1));
}
return dp[l][r] = ret;
}
int main(){
scanf("%d",&n);
memset(dp, -1, sizeof(dp));
lint cdap = 0;
for(int i=0; i<n*2; i++){
scanf("%d %d",&a[i].x,&a[i].y);
if(a[i].x < 1){
cdap += 1 - a[i].x;
a[i].x = 1;
}
if(a[i].x > n){
cdap += a[i].x - n;
a[i].x = n;
}
if(a[i].y < 1){
cdap += 1 - a[i].y;
a[i].y = 1;
}
if(a[i].y > 2){
cdap += a[i].y - 2;
a[i].y = 2;
}
cnt[a[i].y][a[i].x]++;
}
sort(a, a + n + n);
cout << cdap + f(1, 1) << endl;
}
Compilation message
joi2019_ho_t4.cpp: In function 'int main()':
joi2019_ho_t4.cpp:36:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&n);
~~~~~^~~~~~~~~
joi2019_ho_t4.cpp:40:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&a[i].x,&a[i].y);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
32 ms |
31864 KB |
Output is correct |
2 |
Correct |
24 ms |
31736 KB |
Output is correct |
3 |
Correct |
27 ms |
31844 KB |
Output is correct |
4 |
Correct |
28 ms |
31872 KB |
Output is correct |
5 |
Correct |
32 ms |
31864 KB |
Output is correct |
6 |
Correct |
31 ms |
31872 KB |
Output is correct |
7 |
Correct |
90 ms |
31736 KB |
Output is correct |
8 |
Correct |
29 ms |
31872 KB |
Output is correct |
9 |
Correct |
25 ms |
31864 KB |
Output is correct |
10 |
Correct |
25 ms |
31872 KB |
Output is correct |
11 |
Correct |
28 ms |
31736 KB |
Output is correct |
12 |
Correct |
26 ms |
31744 KB |
Output is correct |
13 |
Correct |
28 ms |
31736 KB |
Output is correct |
14 |
Correct |
28 ms |
31872 KB |
Output is correct |
15 |
Correct |
27 ms |
31872 KB |
Output is correct |
16 |
Correct |
32 ms |
31864 KB |
Output is correct |
17 |
Correct |
29 ms |
31864 KB |
Output is correct |
18 |
Correct |
30 ms |
31744 KB |
Output is correct |
19 |
Correct |
28 ms |
31736 KB |
Output is correct |
20 |
Correct |
26 ms |
31872 KB |
Output is correct |
21 |
Correct |
28 ms |
31744 KB |
Output is correct |
22 |
Correct |
32 ms |
31812 KB |
Output is correct |
23 |
Correct |
30 ms |
31736 KB |
Output is correct |
24 |
Correct |
27 ms |
32000 KB |
Output is correct |
25 |
Correct |
29 ms |
31864 KB |
Output is correct |
26 |
Correct |
25 ms |
31872 KB |
Output is correct |
27 |
Correct |
27 ms |
31736 KB |
Output is correct |
28 |
Correct |
27 ms |
31736 KB |
Output is correct |
29 |
Correct |
27 ms |
31864 KB |
Output is correct |
30 |
Correct |
30 ms |
31736 KB |
Output is correct |
31 |
Correct |
28 ms |
31744 KB |
Output is correct |
32 |
Correct |
26 ms |
31872 KB |
Output is correct |
33 |
Correct |
28 ms |
31732 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
32 ms |
31864 KB |
Output is correct |
2 |
Correct |
24 ms |
31736 KB |
Output is correct |
3 |
Correct |
27 ms |
31844 KB |
Output is correct |
4 |
Correct |
28 ms |
31872 KB |
Output is correct |
5 |
Correct |
32 ms |
31864 KB |
Output is correct |
6 |
Correct |
31 ms |
31872 KB |
Output is correct |
7 |
Correct |
90 ms |
31736 KB |
Output is correct |
8 |
Correct |
29 ms |
31872 KB |
Output is correct |
9 |
Correct |
25 ms |
31864 KB |
Output is correct |
10 |
Correct |
25 ms |
31872 KB |
Output is correct |
11 |
Correct |
28 ms |
31736 KB |
Output is correct |
12 |
Correct |
26 ms |
31744 KB |
Output is correct |
13 |
Correct |
28 ms |
31736 KB |
Output is correct |
14 |
Correct |
28 ms |
31872 KB |
Output is correct |
15 |
Correct |
27 ms |
31872 KB |
Output is correct |
16 |
Correct |
32 ms |
31864 KB |
Output is correct |
17 |
Correct |
29 ms |
31864 KB |
Output is correct |
18 |
Correct |
30 ms |
31744 KB |
Output is correct |
19 |
Correct |
28 ms |
31736 KB |
Output is correct |
20 |
Correct |
26 ms |
31872 KB |
Output is correct |
21 |
Correct |
28 ms |
31744 KB |
Output is correct |
22 |
Correct |
32 ms |
31812 KB |
Output is correct |
23 |
Correct |
30 ms |
31736 KB |
Output is correct |
24 |
Correct |
27 ms |
32000 KB |
Output is correct |
25 |
Correct |
29 ms |
31864 KB |
Output is correct |
26 |
Correct |
25 ms |
31872 KB |
Output is correct |
27 |
Correct |
27 ms |
31736 KB |
Output is correct |
28 |
Correct |
27 ms |
31736 KB |
Output is correct |
29 |
Correct |
27 ms |
31864 KB |
Output is correct |
30 |
Correct |
30 ms |
31736 KB |
Output is correct |
31 |
Correct |
28 ms |
31744 KB |
Output is correct |
32 |
Correct |
26 ms |
31872 KB |
Output is correct |
33 |
Correct |
28 ms |
31732 KB |
Output is correct |
34 |
Correct |
44 ms |
31864 KB |
Output is correct |
35 |
Correct |
55 ms |
32000 KB |
Output is correct |
36 |
Correct |
47 ms |
31992 KB |
Output is correct |
37 |
Correct |
46 ms |
32000 KB |
Output is correct |
38 |
Correct |
51 ms |
32000 KB |
Output is correct |
39 |
Correct |
44 ms |
31992 KB |
Output is correct |
40 |
Correct |
45 ms |
32000 KB |
Output is correct |
41 |
Correct |
40 ms |
31964 KB |
Output is correct |
42 |
Correct |
45 ms |
31992 KB |
Output is correct |
43 |
Correct |
49 ms |
31992 KB |
Output is correct |
44 |
Correct |
49 ms |
32128 KB |
Output is correct |
45 |
Correct |
45 ms |
31864 KB |
Output is correct |
46 |
Correct |
46 ms |
31992 KB |
Output is correct |
47 |
Correct |
42 ms |
31992 KB |
Output is correct |
48 |
Correct |
46 ms |
32000 KB |
Output is correct |
49 |
Correct |
41 ms |
32120 KB |
Output is correct |
50 |
Correct |
51 ms |
31992 KB |
Output is correct |
51 |
Correct |
48 ms |
31988 KB |
Output is correct |
52 |
Correct |
47 ms |
31996 KB |
Output is correct |
53 |
Correct |
54 ms |
31864 KB |
Output is correct |
54 |
Correct |
44 ms |
32120 KB |
Output is correct |
55 |
Correct |
42 ms |
31992 KB |
Output is correct |
56 |
Correct |
51 ms |
31868 KB |
Output is correct |
57 |
Correct |
51 ms |
32000 KB |
Output is correct |
58 |
Correct |
50 ms |
32020 KB |
Output is correct |
59 |
Correct |
41 ms |
31992 KB |
Output is correct |
60 |
Correct |
45 ms |
31972 KB |
Output is correct |
61 |
Correct |
44 ms |
32072 KB |
Output is correct |
62 |
Correct |
44 ms |
31992 KB |
Output is correct |
63 |
Correct |
57 ms |
31992 KB |
Output is correct |
64 |
Correct |
45 ms |
31992 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
32 ms |
31864 KB |
Output is correct |
2 |
Correct |
24 ms |
31736 KB |
Output is correct |
3 |
Correct |
27 ms |
31844 KB |
Output is correct |
4 |
Correct |
28 ms |
31872 KB |
Output is correct |
5 |
Correct |
32 ms |
31864 KB |
Output is correct |
6 |
Correct |
31 ms |
31872 KB |
Output is correct |
7 |
Correct |
90 ms |
31736 KB |
Output is correct |
8 |
Correct |
29 ms |
31872 KB |
Output is correct |
9 |
Correct |
25 ms |
31864 KB |
Output is correct |
10 |
Correct |
25 ms |
31872 KB |
Output is correct |
11 |
Correct |
28 ms |
31736 KB |
Output is correct |
12 |
Correct |
26 ms |
31744 KB |
Output is correct |
13 |
Correct |
28 ms |
31736 KB |
Output is correct |
14 |
Correct |
28 ms |
31872 KB |
Output is correct |
15 |
Correct |
27 ms |
31872 KB |
Output is correct |
16 |
Correct |
32 ms |
31864 KB |
Output is correct |
17 |
Correct |
29 ms |
31864 KB |
Output is correct |
18 |
Correct |
30 ms |
31744 KB |
Output is correct |
19 |
Correct |
28 ms |
31736 KB |
Output is correct |
20 |
Correct |
26 ms |
31872 KB |
Output is correct |
21 |
Correct |
28 ms |
31744 KB |
Output is correct |
22 |
Correct |
32 ms |
31812 KB |
Output is correct |
23 |
Correct |
30 ms |
31736 KB |
Output is correct |
24 |
Correct |
27 ms |
32000 KB |
Output is correct |
25 |
Correct |
29 ms |
31864 KB |
Output is correct |
26 |
Correct |
25 ms |
31872 KB |
Output is correct |
27 |
Correct |
27 ms |
31736 KB |
Output is correct |
28 |
Correct |
27 ms |
31736 KB |
Output is correct |
29 |
Correct |
27 ms |
31864 KB |
Output is correct |
30 |
Correct |
30 ms |
31736 KB |
Output is correct |
31 |
Correct |
28 ms |
31744 KB |
Output is correct |
32 |
Correct |
26 ms |
31872 KB |
Output is correct |
33 |
Correct |
28 ms |
31732 KB |
Output is correct |
34 |
Correct |
44 ms |
31864 KB |
Output is correct |
35 |
Correct |
55 ms |
32000 KB |
Output is correct |
36 |
Correct |
47 ms |
31992 KB |
Output is correct |
37 |
Correct |
46 ms |
32000 KB |
Output is correct |
38 |
Correct |
51 ms |
32000 KB |
Output is correct |
39 |
Correct |
44 ms |
31992 KB |
Output is correct |
40 |
Correct |
45 ms |
32000 KB |
Output is correct |
41 |
Correct |
40 ms |
31964 KB |
Output is correct |
42 |
Correct |
45 ms |
31992 KB |
Output is correct |
43 |
Correct |
49 ms |
31992 KB |
Output is correct |
44 |
Correct |
49 ms |
32128 KB |
Output is correct |
45 |
Correct |
45 ms |
31864 KB |
Output is correct |
46 |
Correct |
46 ms |
31992 KB |
Output is correct |
47 |
Correct |
42 ms |
31992 KB |
Output is correct |
48 |
Correct |
46 ms |
32000 KB |
Output is correct |
49 |
Correct |
41 ms |
32120 KB |
Output is correct |
50 |
Correct |
51 ms |
31992 KB |
Output is correct |
51 |
Correct |
48 ms |
31988 KB |
Output is correct |
52 |
Correct |
47 ms |
31996 KB |
Output is correct |
53 |
Correct |
54 ms |
31864 KB |
Output is correct |
54 |
Correct |
44 ms |
32120 KB |
Output is correct |
55 |
Correct |
42 ms |
31992 KB |
Output is correct |
56 |
Correct |
51 ms |
31868 KB |
Output is correct |
57 |
Correct |
51 ms |
32000 KB |
Output is correct |
58 |
Correct |
50 ms |
32020 KB |
Output is correct |
59 |
Correct |
41 ms |
31992 KB |
Output is correct |
60 |
Correct |
45 ms |
31972 KB |
Output is correct |
61 |
Correct |
44 ms |
32072 KB |
Output is correct |
62 |
Correct |
44 ms |
31992 KB |
Output is correct |
63 |
Correct |
57 ms |
31992 KB |
Output is correct |
64 |
Correct |
45 ms |
31992 KB |
Output is correct |
65 |
Execution timed out |
30 ms |
31992 KB |
Time limit exceeded (wall clock) |
66 |
Halted |
0 ms |
0 KB |
- |