#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int Nmax = 1e5 + 5;
int a[Nmax][3], s[3], wait[3], n;
ll ans = 0;
void read()
{
int x, y, i;
cin >> n;
for(i=1; i<=2*n; ++i)
{
cin >> x >> y;
if(x < 1) ans += 1 - x, x = 1;
if(x > n) ans += x - n, x = n;
if(y < 1) ans += 1 - y, y = 1;
if(y > 2) ans += y - 2, y = 2;
++a[x][y];
}
}
void solve()
{
int i, j, k1, k2;
k1 = 1; k2 = 0;
for(i=1; i<=n; ++i)
for(j=0; j<a[i][1] + a[i][2]; ++j)
{
if(k1 < i) ans += i - k1;
else if(k1 > i) ans += k1 - i;
if(k2) ++k1;
k2 ^= 1;
}
for(i=1; i<=n; ++i)
{
++wait[1];
++wait[2];
s[1] += a[i][1];
s[2] += a[i][2];
while(wait[1] && s[1]) --wait[1], --s[1];
while(wait[2] && s[2]) --wait[2], --s[2];
while(wait[1] && s[2]) --wait[1], --s[2], ++ans;
while(wait[2] && s[1]) --wait[2], --s[1], ++ans;
}
cout << ans << '\n';
}
int main()
{
// freopen("input", "r", stdin);
cin.sync_with_stdio(false);
read();
solve();
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 |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
3 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 |
3 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
3 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 |
2 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 |
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 |
3 ms |
384 KB |
Output is correct |
25 |
Correct |
3 ms |
384 KB |
Output is correct |
26 |
Correct |
3 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 |
356 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 |
3 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 |
3 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
3 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 |
2 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 |
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 |
3 ms |
384 KB |
Output is correct |
25 |
Correct |
3 ms |
384 KB |
Output is correct |
26 |
Correct |
3 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 |
356 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 |
1 ms |
412 KB |
Output is correct |
37 |
Correct |
3 ms |
384 KB |
Output is correct |
38 |
Correct |
4 ms |
384 KB |
Output is correct |
39 |
Correct |
3 ms |
384 KB |
Output is correct |
40 |
Correct |
3 ms |
384 KB |
Output is correct |
41 |
Correct |
3 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 |
3 ms |
384 KB |
Output is correct |
45 |
Correct |
2 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 |
3 ms |
384 KB |
Output is correct |
50 |
Correct |
3 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 |
3 ms |
384 KB |
Output is correct |
56 |
Correct |
3 ms |
384 KB |
Output is correct |
57 |
Correct |
3 ms |
384 KB |
Output is correct |
58 |
Correct |
4 ms |
384 KB |
Output is correct |
59 |
Correct |
3 ms |
384 KB |
Output is correct |
60 |
Correct |
2 ms |
384 KB |
Output is correct |
61 |
Correct |
2 ms |
384 KB |
Output is correct |
62 |
Correct |
3 ms |
384 KB |
Output is correct |
63 |
Correct |
2 ms |
384 KB |
Output is correct |
64 |
Correct |
3 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 |
3 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 |
3 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
3 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 |
2 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 |
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 |
3 ms |
384 KB |
Output is correct |
25 |
Correct |
3 ms |
384 KB |
Output is correct |
26 |
Correct |
3 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 |
356 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 |
1 ms |
412 KB |
Output is correct |
37 |
Correct |
3 ms |
384 KB |
Output is correct |
38 |
Correct |
4 ms |
384 KB |
Output is correct |
39 |
Correct |
3 ms |
384 KB |
Output is correct |
40 |
Correct |
3 ms |
384 KB |
Output is correct |
41 |
Correct |
3 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 |
3 ms |
384 KB |
Output is correct |
45 |
Correct |
2 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 |
3 ms |
384 KB |
Output is correct |
50 |
Correct |
3 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 |
3 ms |
384 KB |
Output is correct |
56 |
Correct |
3 ms |
384 KB |
Output is correct |
57 |
Correct |
3 ms |
384 KB |
Output is correct |
58 |
Correct |
4 ms |
384 KB |
Output is correct |
59 |
Correct |
3 ms |
384 KB |
Output is correct |
60 |
Correct |
2 ms |
384 KB |
Output is correct |
61 |
Correct |
2 ms |
384 KB |
Output is correct |
62 |
Correct |
3 ms |
384 KB |
Output is correct |
63 |
Correct |
2 ms |
384 KB |
Output is correct |
64 |
Correct |
3 ms |
384 KB |
Output is correct |
65 |
Correct |
60 ms |
3008 KB |
Output is correct |
66 |
Correct |
59 ms |
5024 KB |
Output is correct |
67 |
Correct |
72 ms |
4680 KB |
Output is correct |
68 |
Correct |
70 ms |
4600 KB |
Output is correct |
69 |
Correct |
80 ms |
4600 KB |
Output is correct |
70 |
Correct |
95 ms |
4724 KB |
Output is correct |
71 |
Correct |
85 ms |
4636 KB |
Output is correct |
72 |
Correct |
62 ms |
3448 KB |
Output is correct |
73 |
Correct |
58 ms |
3448 KB |
Output is correct |
74 |
Correct |
56 ms |
3448 KB |
Output is correct |
75 |
Correct |
64 ms |
3452 KB |
Output is correct |
76 |
Correct |
56 ms |
3576 KB |
Output is correct |
77 |
Correct |
57 ms |
3448 KB |
Output is correct |
78 |
Correct |
89 ms |
3448 KB |
Output is correct |
79 |
Correct |
76 ms |
3576 KB |
Output is correct |
80 |
Correct |
57 ms |
3576 KB |
Output is correct |
81 |
Correct |
57 ms |
3576 KB |
Output is correct |
82 |
Correct |
59 ms |
3448 KB |
Output is correct |
83 |
Correct |
54 ms |
3576 KB |
Output is correct |
84 |
Correct |
65 ms |
3832 KB |
Output is correct |
85 |
Correct |
58 ms |
3832 KB |
Output is correct |
86 |
Correct |
57 ms |
4600 KB |
Output is correct |
87 |
Correct |
54 ms |
4600 KB |
Output is correct |
88 |
Correct |
63 ms |
4596 KB |
Output is correct |
89 |
Correct |
85 ms |
4600 KB |
Output is correct |
90 |
Correct |
54 ms |
4600 KB |
Output is correct |
91 |
Correct |
64 ms |
4728 KB |
Output is correct |
92 |
Correct |
62 ms |
4728 KB |
Output is correct |
93 |
Correct |
70 ms |
4828 KB |
Output is correct |
94 |
Correct |
64 ms |
4588 KB |
Output is correct |
95 |
Correct |
63 ms |
4472 KB |
Output is correct |
96 |
Correct |
95 ms |
4380 KB |
Output is correct |
97 |
Correct |
71 ms |
4472 KB |
Output is correct |
98 |
Correct |
79 ms |
4216 KB |
Output is correct |
99 |
Correct |
65 ms |
3960 KB |
Output is correct |
100 |
Correct |
66 ms |
4088 KB |
Output is correct |
101 |
Correct |
67 ms |
4220 KB |
Output is correct |
102 |
Correct |
70 ms |
4088 KB |
Output is correct |
103 |
Correct |
67 ms |
4088 KB |
Output is correct |