#include <bits/stdc++.h>
#define lsb(x) (x & (-x))
#define ll long long
#define ull unsigned long long
#if 0
const int MOD = ;
inline int lgput(int a, int b) {
int ans = 1;
while(b > 0) {
if(b & 1) ans = (1LL * ans * a) % MOD;
b >>= 1;
a = (1LL * a * a) % MOD;
}
return ans;
}
inline void mod(int &x) {
if(x >= MOD)
x -= MOD;
}
inline void add(int &x, int y) {
x += y;
mod(x);
}
inline void sub(int &x, int y) {
x += MOD - y;
mod(x);
}
inline void mul(int &x, int y) {
x = (1LL * x * y) % MOD;
}
inline int inv(int x) {
return lgput(x, MOD - 2);
}
#endif
#if 0
int fact[], invfact[];
inline void prec(int n) {
fact[0] = 1;
for(int i = 1; i <= n; i++) {
fact[i] = (1LL * fact[i - 1] * i) % MOD;
}
invfact[n] = lgput(fact[n], MOD - 2);
for(int i = n - 1; i >= 0; i--) {
invfact[i] = (1LL * invfact[i + 1] * (i + 1)) % MOD;
}
}
inline int comb(int n, int k) {
if(n < k) return 0;
return (1LL * fact[n] * (1LL * invfact[k] * invfact[n - k] % MOD)) % MOD;
}
#endif
using namespace std;
const ll INF = 1e18;
int main() {
#ifdef HOME
ifstream cin("A.in");
ofstream cout("A.out");
#endif
int i, n;
ios::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
cin >> n;
vector < vector <int> > fr(n + 1, vector <int>(3));
ll ans = 0;
for(i = 0; i < 2 * n; i++) {
int x, y;
cin >> x >> y;
if(x < 1) {
ans += 1 - x;
x = 1;
}
if(x > n) {
ans += x - n;
x = n;
}
if(y > 2) {
ans += y - 2;
y = 2;
}
if(y < 1) {
ans += 1 - y;
y = 1;
}
fr[x][y]++;
}
int cnt = 0;
for(i = 1; i <= n; i++) {
cnt += fr[i][1];
cnt -= fr[i][2];
}
deque <int> need[3];
deque <int> have[3];
auto get = [&](int x, int y) {
int ans = abs(have[x].front() - need[y].front());
have[x].pop_front();
need[y].pop_front();
return ans;
};
for(i = 1; i <= n; i++) {
need[1].push_back(i);
need[2].push_back(i);
while(fr[i][1]--) {
have[1].push_back(i);
}
while(fr[i][2]--) {
have[2].push_back(i);
}
while(have[1].size() && need[1].size()) {
ans += get(1, 1);
}
while(have[2].size() && need[2].size()) {
ans += get(2, 2);
}
while(have[1].size() && need[2].size()) {
ans += get(1, 2) + 1;
cnt--;
}
while(have[2].size() && need[1].size()) {
ans += get(2, 1) + 1;
cnt++;
}
}
cout << ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
380 KB |
Output is correct |
9 |
Correct |
2 ms |
380 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
380 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
3 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
380 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
380 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
376 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
380 KB |
Output is correct |
9 |
Correct |
2 ms |
380 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
380 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
3 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
380 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
380 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
376 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
3 ms |
376 KB |
Output is correct |
35 |
Correct |
3 ms |
504 KB |
Output is correct |
36 |
Correct |
3 ms |
376 KB |
Output is correct |
37 |
Correct |
3 ms |
504 KB |
Output is correct |
38 |
Correct |
3 ms |
376 KB |
Output is correct |
39 |
Correct |
3 ms |
504 KB |
Output is correct |
40 |
Correct |
3 ms |
376 KB |
Output is correct |
41 |
Correct |
3 ms |
504 KB |
Output is correct |
42 |
Correct |
3 ms |
552 KB |
Output is correct |
43 |
Correct |
3 ms |
376 KB |
Output is correct |
44 |
Correct |
3 ms |
376 KB |
Output is correct |
45 |
Correct |
3 ms |
376 KB |
Output is correct |
46 |
Correct |
3 ms |
376 KB |
Output is correct |
47 |
Correct |
3 ms |
376 KB |
Output is correct |
48 |
Correct |
3 ms |
504 KB |
Output is correct |
49 |
Correct |
3 ms |
380 KB |
Output is correct |
50 |
Correct |
1 ms |
376 KB |
Output is correct |
51 |
Correct |
3 ms |
504 KB |
Output is correct |
52 |
Correct |
3 ms |
380 KB |
Output is correct |
53 |
Correct |
3 ms |
504 KB |
Output is correct |
54 |
Correct |
3 ms |
504 KB |
Output is correct |
55 |
Correct |
3 ms |
504 KB |
Output is correct |
56 |
Correct |
3 ms |
376 KB |
Output is correct |
57 |
Correct |
3 ms |
376 KB |
Output is correct |
58 |
Correct |
3 ms |
376 KB |
Output is correct |
59 |
Correct |
3 ms |
504 KB |
Output is correct |
60 |
Correct |
3 ms |
376 KB |
Output is correct |
61 |
Correct |
3 ms |
504 KB |
Output is correct |
62 |
Correct |
3 ms |
508 KB |
Output is correct |
63 |
Correct |
3 ms |
508 KB |
Output is correct |
64 |
Correct |
3 ms |
504 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
380 KB |
Output is correct |
9 |
Correct |
2 ms |
380 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
380 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
3 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
380 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
380 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
376 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
3 ms |
376 KB |
Output is correct |
35 |
Correct |
3 ms |
504 KB |
Output is correct |
36 |
Correct |
3 ms |
376 KB |
Output is correct |
37 |
Correct |
3 ms |
504 KB |
Output is correct |
38 |
Correct |
3 ms |
376 KB |
Output is correct |
39 |
Correct |
3 ms |
504 KB |
Output is correct |
40 |
Correct |
3 ms |
376 KB |
Output is correct |
41 |
Correct |
3 ms |
504 KB |
Output is correct |
42 |
Correct |
3 ms |
552 KB |
Output is correct |
43 |
Correct |
3 ms |
376 KB |
Output is correct |
44 |
Correct |
3 ms |
376 KB |
Output is correct |
45 |
Correct |
3 ms |
376 KB |
Output is correct |
46 |
Correct |
3 ms |
376 KB |
Output is correct |
47 |
Correct |
3 ms |
376 KB |
Output is correct |
48 |
Correct |
3 ms |
504 KB |
Output is correct |
49 |
Correct |
3 ms |
380 KB |
Output is correct |
50 |
Correct |
1 ms |
376 KB |
Output is correct |
51 |
Correct |
3 ms |
504 KB |
Output is correct |
52 |
Correct |
3 ms |
380 KB |
Output is correct |
53 |
Correct |
3 ms |
504 KB |
Output is correct |
54 |
Correct |
3 ms |
504 KB |
Output is correct |
55 |
Correct |
3 ms |
504 KB |
Output is correct |
56 |
Correct |
3 ms |
376 KB |
Output is correct |
57 |
Correct |
3 ms |
376 KB |
Output is correct |
58 |
Correct |
3 ms |
376 KB |
Output is correct |
59 |
Correct |
3 ms |
504 KB |
Output is correct |
60 |
Correct |
3 ms |
376 KB |
Output is correct |
61 |
Correct |
3 ms |
504 KB |
Output is correct |
62 |
Correct |
3 ms |
508 KB |
Output is correct |
63 |
Correct |
3 ms |
508 KB |
Output is correct |
64 |
Correct |
3 ms |
504 KB |
Output is correct |
65 |
Correct |
70 ms |
7416 KB |
Output is correct |
66 |
Correct |
80 ms |
11484 KB |
Output is correct |
67 |
Correct |
104 ms |
8952 KB |
Output is correct |
68 |
Correct |
95 ms |
8964 KB |
Output is correct |
69 |
Correct |
97 ms |
8952 KB |
Output is correct |
70 |
Correct |
96 ms |
9052 KB |
Output is correct |
71 |
Correct |
93 ms |
9048 KB |
Output is correct |
72 |
Correct |
70 ms |
10080 KB |
Output is correct |
73 |
Correct |
71 ms |
10616 KB |
Output is correct |
74 |
Correct |
72 ms |
9592 KB |
Output is correct |
75 |
Correct |
71 ms |
9528 KB |
Output is correct |
76 |
Correct |
70 ms |
9488 KB |
Output is correct |
77 |
Correct |
71 ms |
9596 KB |
Output is correct |
78 |
Correct |
70 ms |
9336 KB |
Output is correct |
79 |
Correct |
64 ms |
9464 KB |
Output is correct |
80 |
Correct |
70 ms |
9568 KB |
Output is correct |
81 |
Correct |
74 ms |
9336 KB |
Output is correct |
82 |
Correct |
72 ms |
9208 KB |
Output is correct |
83 |
Correct |
70 ms |
9208 KB |
Output is correct |
84 |
Correct |
74 ms |
9140 KB |
Output is correct |
85 |
Correct |
72 ms |
9208 KB |
Output is correct |
86 |
Correct |
75 ms |
9080 KB |
Output is correct |
87 |
Correct |
73 ms |
9052 KB |
Output is correct |
88 |
Correct |
81 ms |
8960 KB |
Output is correct |
89 |
Correct |
79 ms |
9080 KB |
Output is correct |
90 |
Correct |
92 ms |
8960 KB |
Output is correct |
91 |
Correct |
91 ms |
9080 KB |
Output is correct |
92 |
Correct |
94 ms |
9088 KB |
Output is correct |
93 |
Correct |
102 ms |
9156 KB |
Output is correct |
94 |
Correct |
101 ms |
8928 KB |
Output is correct |
95 |
Correct |
92 ms |
8952 KB |
Output is correct |
96 |
Correct |
79 ms |
10208 KB |
Output is correct |
97 |
Correct |
81 ms |
10104 KB |
Output is correct |
98 |
Correct |
87 ms |
9576 KB |
Output is correct |
99 |
Correct |
77 ms |
9592 KB |
Output is correct |
100 |
Correct |
89 ms |
9720 KB |
Output is correct |
101 |
Correct |
80 ms |
9976 KB |
Output is correct |
102 |
Correct |
83 ms |
9592 KB |
Output is correct |
103 |
Correct |
86 ms |
9464 KB |
Output is correct |