#include <bits/stdc++.h>
using namespace std;
typedef pair<long long, long long> ii;
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
long long ans = 0ll;
int n;
cin >> n;
long long arr[n][2];
for(int i = 0;i < n;i++){
arr[i][0] = 0;
arr[i][1] = 0;
}
for(int i = 0;i < 2 * n;i++){
long long x, y;
cin >> x >> y;
if(x <= 1){
ans += abs(x-1);
x = 1;
}
else if(x >= n){
ans += abs(x-n);
x = n;
}
if(y <= 1){
arr[x-1][0]++;
ans += abs(y-1);
}
else{
arr[x-1][1]++;
ans += abs(y-2);
}
}
for(int i = 0;i < n - 1;i++){
long long x = arr[i][0];
long long y = arr[i][1];
long long ds[3] = {0ll, x - 1, 1 - y};
ii best = ii(1203123214213,-1);
for(int j = 0;j < 3;j++){
best = min(best, ii(abs(ds[j]) + abs(x-ds[j]-1) + abs(y+ds[j]-1),ds[j]));
}
ans += best.first;
arr[i+1][0] += (arr[i][0] - best.second - 1);
arr[i+1][1] += (arr[i][1] + best.second - 1);
}
ans += abs(arr[n-1][0] - 1);
cout << ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
3 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
3 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
3 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
3 ms |
384 KB |
Output is correct |
19 |
Correct |
3 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
3 ms |
384 KB |
Output is correct |
22 |
Correct |
3 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
3 ms |
384 KB |
Output is correct |
29 |
Correct |
3 ms |
384 KB |
Output is correct |
30 |
Correct |
3 ms |
384 KB |
Output is correct |
31 |
Correct |
3 ms |
384 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
3 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
3 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
3 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
3 ms |
384 KB |
Output is correct |
19 |
Correct |
3 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
3 ms |
384 KB |
Output is correct |
22 |
Correct |
3 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
3 ms |
384 KB |
Output is correct |
29 |
Correct |
3 ms |
384 KB |
Output is correct |
30 |
Correct |
3 ms |
384 KB |
Output is correct |
31 |
Correct |
3 ms |
384 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
34 |
Correct |
3 ms |
384 KB |
Output is correct |
35 |
Correct |
3 ms |
384 KB |
Output is correct |
36 |
Correct |
3 ms |
384 KB |
Output is correct |
37 |
Correct |
3 ms |
384 KB |
Output is correct |
38 |
Correct |
2 ms |
384 KB |
Output is correct |
39 |
Correct |
2 ms |
384 KB |
Output is correct |
40 |
Correct |
2 ms |
384 KB |
Output is correct |
41 |
Correct |
2 ms |
384 KB |
Output is correct |
42 |
Correct |
3 ms |
384 KB |
Output is correct |
43 |
Correct |
4 ms |
384 KB |
Output is correct |
44 |
Correct |
2 ms |
384 KB |
Output is correct |
45 |
Correct |
4 ms |
384 KB |
Output is correct |
46 |
Correct |
3 ms |
384 KB |
Output is correct |
47 |
Correct |
3 ms |
384 KB |
Output is correct |
48 |
Correct |
3 ms |
384 KB |
Output is correct |
49 |
Correct |
2 ms |
384 KB |
Output is correct |
50 |
Correct |
3 ms |
384 KB |
Output is correct |
51 |
Correct |
3 ms |
432 KB |
Output is correct |
52 |
Correct |
2 ms |
384 KB |
Output is correct |
53 |
Correct |
3 ms |
384 KB |
Output is correct |
54 |
Correct |
2 ms |
384 KB |
Output is correct |
55 |
Correct |
2 ms |
384 KB |
Output is correct |
56 |
Correct |
2 ms |
356 KB |
Output is correct |
57 |
Correct |
4 ms |
384 KB |
Output is correct |
58 |
Correct |
2 ms |
384 KB |
Output is correct |
59 |
Correct |
3 ms |
384 KB |
Output is correct |
60 |
Correct |
3 ms |
384 KB |
Output is correct |
61 |
Correct |
3 ms |
384 KB |
Output is correct |
62 |
Correct |
3 ms |
384 KB |
Output is correct |
63 |
Correct |
5 ms |
384 KB |
Output is correct |
64 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
3 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
3 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
3 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
3 ms |
384 KB |
Output is correct |
19 |
Correct |
3 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
3 ms |
384 KB |
Output is correct |
22 |
Correct |
3 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
3 ms |
384 KB |
Output is correct |
29 |
Correct |
3 ms |
384 KB |
Output is correct |
30 |
Correct |
3 ms |
384 KB |
Output is correct |
31 |
Correct |
3 ms |
384 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
34 |
Correct |
3 ms |
384 KB |
Output is correct |
35 |
Correct |
3 ms |
384 KB |
Output is correct |
36 |
Correct |
3 ms |
384 KB |
Output is correct |
37 |
Correct |
3 ms |
384 KB |
Output is correct |
38 |
Correct |
2 ms |
384 KB |
Output is correct |
39 |
Correct |
2 ms |
384 KB |
Output is correct |
40 |
Correct |
2 ms |
384 KB |
Output is correct |
41 |
Correct |
2 ms |
384 KB |
Output is correct |
42 |
Correct |
3 ms |
384 KB |
Output is correct |
43 |
Correct |
4 ms |
384 KB |
Output is correct |
44 |
Correct |
2 ms |
384 KB |
Output is correct |
45 |
Correct |
4 ms |
384 KB |
Output is correct |
46 |
Correct |
3 ms |
384 KB |
Output is correct |
47 |
Correct |
3 ms |
384 KB |
Output is correct |
48 |
Correct |
3 ms |
384 KB |
Output is correct |
49 |
Correct |
2 ms |
384 KB |
Output is correct |
50 |
Correct |
3 ms |
384 KB |
Output is correct |
51 |
Correct |
3 ms |
432 KB |
Output is correct |
52 |
Correct |
2 ms |
384 KB |
Output is correct |
53 |
Correct |
3 ms |
384 KB |
Output is correct |
54 |
Correct |
2 ms |
384 KB |
Output is correct |
55 |
Correct |
2 ms |
384 KB |
Output is correct |
56 |
Correct |
2 ms |
356 KB |
Output is correct |
57 |
Correct |
4 ms |
384 KB |
Output is correct |
58 |
Correct |
2 ms |
384 KB |
Output is correct |
59 |
Correct |
3 ms |
384 KB |
Output is correct |
60 |
Correct |
3 ms |
384 KB |
Output is correct |
61 |
Correct |
3 ms |
384 KB |
Output is correct |
62 |
Correct |
3 ms |
384 KB |
Output is correct |
63 |
Correct |
5 ms |
384 KB |
Output is correct |
64 |
Correct |
5 ms |
384 KB |
Output is correct |
65 |
Correct |
37 ms |
3420 KB |
Output is correct |
66 |
Correct |
57 ms |
6556 KB |
Output is correct |
67 |
Correct |
82 ms |
5112 KB |
Output is correct |
68 |
Correct |
72 ms |
5112 KB |
Output is correct |
69 |
Correct |
73 ms |
5240 KB |
Output is correct |
70 |
Correct |
73 ms |
5112 KB |
Output is correct |
71 |
Correct |
55 ms |
5112 KB |
Output is correct |
72 |
Correct |
44 ms |
5112 KB |
Output is correct |
73 |
Correct |
43 ms |
5084 KB |
Output is correct |
74 |
Correct |
89 ms |
5176 KB |
Output is correct |
75 |
Correct |
56 ms |
5036 KB |
Output is correct |
76 |
Correct |
55 ms |
5136 KB |
Output is correct |
77 |
Correct |
52 ms |
5112 KB |
Output is correct |
78 |
Correct |
62 ms |
5112 KB |
Output is correct |
79 |
Correct |
55 ms |
5112 KB |
Output is correct |
80 |
Correct |
54 ms |
5112 KB |
Output is correct |
81 |
Correct |
55 ms |
5112 KB |
Output is correct |
82 |
Correct |
70 ms |
5112 KB |
Output is correct |
83 |
Correct |
61 ms |
5140 KB |
Output is correct |
84 |
Correct |
68 ms |
5084 KB |
Output is correct |
85 |
Correct |
51 ms |
5112 KB |
Output is correct |
86 |
Correct |
74 ms |
5136 KB |
Output is correct |
87 |
Correct |
56 ms |
5240 KB |
Output is correct |
88 |
Correct |
58 ms |
5112 KB |
Output is correct |
89 |
Correct |
52 ms |
5112 KB |
Output is correct |
90 |
Correct |
63 ms |
5144 KB |
Output is correct |
91 |
Correct |
55 ms |
5112 KB |
Output is correct |
92 |
Correct |
60 ms |
5240 KB |
Output is correct |
93 |
Correct |
65 ms |
5240 KB |
Output is correct |
94 |
Correct |
91 ms |
4988 KB |
Output is correct |
95 |
Correct |
52 ms |
4988 KB |
Output is correct |
96 |
Correct |
66 ms |
5240 KB |
Output is correct |
97 |
Correct |
52 ms |
5112 KB |
Output is correct |
98 |
Correct |
48 ms |
5112 KB |
Output is correct |
99 |
Correct |
47 ms |
5112 KB |
Output is correct |
100 |
Correct |
77 ms |
5112 KB |
Output is correct |
101 |
Correct |
50 ms |
5112 KB |
Output is correct |
102 |
Correct |
54 ms |
5112 KB |
Output is correct |
103 |
Correct |
49 ms |
5112 KB |
Output is correct |