/*input
3
0 0
0 4
4 0
2 1
2 5
-1 1
*/
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
ll k[100001][2];
int main()
{
ios_base::sync_with_stdio(false);
ll n;
cin >> n;
ll ans = 0;
for (ll i = 0; i < 2 * n; i++)
{
ll x, y;
cin >> x >> y;
x--;
y--;
if (x < 0)
{
ans += -x;
x = 0;
}
if (x >= n)
{
ans += x - (n - 1);
x = n - 1;
}
if (y < 0)
{
ans += -y;
y = 0;
}
if (y > 1)
{
ans += y - 1;
y = 1;
}
k[x][y]++;
}
for (int x = 0; x < n; x++)
{
if (k[x][0] < 1 && k[x][1] > 1)
{
ll m = min(abs(k[x][0] - 1), abs(k[x][1] - 1));
k[x][0] += m;
k[x][1] -= m;
ans += m;
}
if (k[x][0] > 1 && k[x][1] < 1)
{
ll m = min(abs(k[x][0] - 1), abs(k[x][1] - 1));
k[x][0] -= m;
k[x][1] += m;
ans += m;
}
if (k[x][0] == 0)
{
if (k[x][1] > 1)
{
k[x][1]--;
k[x][0]++;
ans++;
}
}
if (k[x][1] == 0)
{
if (k[x][0] > 1)
{
k[x][0]--;
k[x][1]++;
ans++;
}
}
if (k[x][0] > 1)
{
ans += k[x][0] - 1;
k[x + 1][0] += k[x][0] - 1;
k[x][0] = 1;
}
if (k[x][1] > 1)
{
ans += k[x][1] - 1;
k[x + 1][1] += k[x][1] - 1;
k[x][1] = 1;
}
if (k[x][0] <= 0)
{
ll dx = abs(k[x][0] - 1);
k[x][0] += dx;
k[x + 1][0] -= dx;
ans += dx;
}
if (k[x][1] <= 0)
{
ll dx = abs(k[x][1] - 1);
k[x][1] += dx;
k[x + 1][1] -= dx;
ans += dx;
}
}
cout << ans << "\n";
}
# |
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 |
2 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 |
2 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 |
2 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 |
2 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 |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 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 |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 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 |
2 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 |
2 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 |
2 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 |
2 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 |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 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 |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 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 |
2 ms |
384 KB |
Output is correct |
38 |
Correct |
3 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 |
2 ms |
384 KB |
Output is correct |
44 |
Correct |
2 ms |
384 KB |
Output is correct |
45 |
Correct |
3 ms |
384 KB |
Output is correct |
46 |
Correct |
3 ms |
384 KB |
Output is correct |
47 |
Correct |
2 ms |
384 KB |
Output is correct |
48 |
Correct |
2 ms |
384 KB |
Output is correct |
49 |
Correct |
3 ms |
384 KB |
Output is correct |
50 |
Correct |
2 ms |
384 KB |
Output is correct |
51 |
Correct |
3 ms |
384 KB |
Output is correct |
52 |
Correct |
3 ms |
384 KB |
Output is correct |
53 |
Correct |
2 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 |
384 KB |
Output is correct |
57 |
Correct |
3 ms |
384 KB |
Output is correct |
58 |
Correct |
3 ms |
384 KB |
Output is correct |
59 |
Correct |
2 ms |
384 KB |
Output is correct |
60 |
Correct |
2 ms |
384 KB |
Output is correct |
61 |
Correct |
3 ms |
428 KB |
Output is correct |
62 |
Correct |
3 ms |
384 KB |
Output is correct |
63 |
Correct |
2 ms |
384 KB |
Output is correct |
64 |
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 |
2 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 |
2 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 |
2 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 |
2 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 |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 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 |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 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 |
2 ms |
384 KB |
Output is correct |
38 |
Correct |
3 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 |
2 ms |
384 KB |
Output is correct |
44 |
Correct |
2 ms |
384 KB |
Output is correct |
45 |
Correct |
3 ms |
384 KB |
Output is correct |
46 |
Correct |
3 ms |
384 KB |
Output is correct |
47 |
Correct |
2 ms |
384 KB |
Output is correct |
48 |
Correct |
2 ms |
384 KB |
Output is correct |
49 |
Correct |
3 ms |
384 KB |
Output is correct |
50 |
Correct |
2 ms |
384 KB |
Output is correct |
51 |
Correct |
3 ms |
384 KB |
Output is correct |
52 |
Correct |
3 ms |
384 KB |
Output is correct |
53 |
Correct |
2 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 |
384 KB |
Output is correct |
57 |
Correct |
3 ms |
384 KB |
Output is correct |
58 |
Correct |
3 ms |
384 KB |
Output is correct |
59 |
Correct |
2 ms |
384 KB |
Output is correct |
60 |
Correct |
2 ms |
384 KB |
Output is correct |
61 |
Correct |
3 ms |
428 KB |
Output is correct |
62 |
Correct |
3 ms |
384 KB |
Output is correct |
63 |
Correct |
2 ms |
384 KB |
Output is correct |
64 |
Correct |
2 ms |
384 KB |
Output is correct |
65 |
Correct |
40 ms |
3448 KB |
Output is correct |
66 |
Correct |
55 ms |
6648 KB |
Output is correct |
67 |
Correct |
57 ms |
5112 KB |
Output is correct |
68 |
Correct |
60 ms |
5084 KB |
Output is correct |
69 |
Correct |
56 ms |
5112 KB |
Output is correct |
70 |
Correct |
56 ms |
5112 KB |
Output is correct |
71 |
Correct |
55 ms |
5112 KB |
Output is correct |
72 |
Correct |
47 ms |
5112 KB |
Output is correct |
73 |
Correct |
46 ms |
5112 KB |
Output is correct |
74 |
Correct |
48 ms |
5240 KB |
Output is correct |
75 |
Correct |
48 ms |
4984 KB |
Output is correct |
76 |
Correct |
47 ms |
5156 KB |
Output is correct |
77 |
Correct |
48 ms |
5116 KB |
Output is correct |
78 |
Correct |
48 ms |
5112 KB |
Output is correct |
79 |
Correct |
47 ms |
5112 KB |
Output is correct |
80 |
Correct |
47 ms |
5112 KB |
Output is correct |
81 |
Correct |
48 ms |
5240 KB |
Output is correct |
82 |
Correct |
47 ms |
5112 KB |
Output is correct |
83 |
Correct |
50 ms |
5112 KB |
Output is correct |
84 |
Correct |
47 ms |
5088 KB |
Output is correct |
85 |
Correct |
48 ms |
5128 KB |
Output is correct |
86 |
Correct |
48 ms |
5040 KB |
Output is correct |
87 |
Correct |
48 ms |
5112 KB |
Output is correct |
88 |
Correct |
49 ms |
5112 KB |
Output is correct |
89 |
Correct |
51 ms |
5112 KB |
Output is correct |
90 |
Correct |
53 ms |
5112 KB |
Output is correct |
91 |
Correct |
54 ms |
5112 KB |
Output is correct |
92 |
Correct |
55 ms |
5112 KB |
Output is correct |
93 |
Correct |
53 ms |
5112 KB |
Output is correct |
94 |
Correct |
59 ms |
4984 KB |
Output is correct |
95 |
Correct |
54 ms |
5112 KB |
Output is correct |
96 |
Correct |
51 ms |
5064 KB |
Output is correct |
97 |
Correct |
51 ms |
5112 KB |
Output is correct |
98 |
Correct |
51 ms |
5112 KB |
Output is correct |
99 |
Correct |
50 ms |
5112 KB |
Output is correct |
100 |
Correct |
50 ms |
5172 KB |
Output is correct |
101 |
Correct |
51 ms |
5080 KB |
Output is correct |
102 |
Correct |
51 ms |
5112 KB |
Output is correct |
103 |
Correct |
49 ms |
5112 KB |
Output is correct |