#include <bits/stdc++.h>
using namespace std;
const long long INF = 1LL * 1e18;
int A[100009], B[100009];
inline int d(int a, int b, int c, int d) {
return max(a - c, c - a) + max(b - d, d - b);
}
int main() {
long long s = 0;
int N; scanf("%d",&N);
for(int i=0; i<2*N; i++) {
int X, Y; scanf("%d%d",&X,&Y);
if(Y <= 1) {
if(Y == 1 && 1 <= X && X <= N) ++A[X];
else if(X <= 1) ++A[1], s += d(1, 1, X, Y);
else if(N <= X) ++A[N], s += d(N, 1, X, Y);
else ++A[X], s += d(X, 1, X, Y);
}
else {
if(Y == 2 && 1 <= X && X <= N) ++B[X];
else if(X <= 1) ++B[1], s += d(1, 2, X, Y);
else if(N <= X) ++B[N], s += d(N, 2, X, Y);
else ++B[X], s += d(X, 2, X, Y);
}
}
for(int i=1; i<=N; i++) --A[i], --B[i];
for(int i=1; i<=N; i++) {
if(A[i] >= 0 && B[i] >= 0) s += A[i] + B[i];
else if(A[i] <= 0 && B[i] <= 0) s += - A[i] - B[i];
else {
int tmp = min(max(A[i], -A[i]), max(B[i], -B[i]));
s += tmp;
if(A[i] < 0) A[i] += tmp, B[i] -= tmp, s += - A[i] + B[i];
else A[i] -= tmp, B[i] += tmp, s += A[i] - B[i];
}
A[i+1] += A[i];
B[i+1] += B[i];
}
printf("%lld", s);
return 0;
}
Compilation message
joi2019_ho_t4.cpp: In function 'int main()':
joi2019_ho_t4.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
int N; scanf("%d",&N);
~~~~~^~~~~~~~~
joi2019_ho_t4.cpp:15:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
int X, Y; scanf("%d%d",&X,&Y);
~~~~~^~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
256 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
3 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
256 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 |
256 KB |
Output is correct |
18 |
Correct |
2 ms |
356 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 |
256 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 |
256 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
256 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 ms |
256 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
256 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
3 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
256 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 |
256 KB |
Output is correct |
18 |
Correct |
2 ms |
356 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 |
256 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 |
256 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
256 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 ms |
256 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
34 |
Correct |
2 ms |
384 KB |
Output is correct |
35 |
Correct |
3 ms |
384 KB |
Output is correct |
36 |
Correct |
2 ms |
256 KB |
Output is correct |
37 |
Correct |
2 ms |
384 KB |
Output is correct |
38 |
Correct |
2 ms |
384 KB |
Output is correct |
39 |
Correct |
2 ms |
256 KB |
Output is correct |
40 |
Correct |
3 ms |
384 KB |
Output is correct |
41 |
Correct |
2 ms |
384 KB |
Output is correct |
42 |
Correct |
2 ms |
256 KB |
Output is correct |
43 |
Correct |
3 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 |
2 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 |
2 ms |
384 KB |
Output is correct |
50 |
Correct |
3 ms |
384 KB |
Output is correct |
51 |
Correct |
4 ms |
384 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 |
256 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 |
3 ms |
384 KB |
Output is correct |
60 |
Correct |
2 ms |
384 KB |
Output is correct |
61 |
Correct |
5 ms |
384 KB |
Output is correct |
62 |
Correct |
2 ms |
384 KB |
Output is correct |
63 |
Correct |
3 ms |
384 KB |
Output is correct |
64 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
256 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
3 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
256 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 |
256 KB |
Output is correct |
18 |
Correct |
2 ms |
356 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 |
256 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 |
256 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
256 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 ms |
256 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
34 |
Correct |
2 ms |
384 KB |
Output is correct |
35 |
Correct |
3 ms |
384 KB |
Output is correct |
36 |
Correct |
2 ms |
256 KB |
Output is correct |
37 |
Correct |
2 ms |
384 KB |
Output is correct |
38 |
Correct |
2 ms |
384 KB |
Output is correct |
39 |
Correct |
2 ms |
256 KB |
Output is correct |
40 |
Correct |
3 ms |
384 KB |
Output is correct |
41 |
Correct |
2 ms |
384 KB |
Output is correct |
42 |
Correct |
2 ms |
256 KB |
Output is correct |
43 |
Correct |
3 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 |
2 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 |
2 ms |
384 KB |
Output is correct |
50 |
Correct |
3 ms |
384 KB |
Output is correct |
51 |
Correct |
4 ms |
384 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 |
256 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 |
3 ms |
384 KB |
Output is correct |
60 |
Correct |
2 ms |
384 KB |
Output is correct |
61 |
Correct |
5 ms |
384 KB |
Output is correct |
62 |
Correct |
2 ms |
384 KB |
Output is correct |
63 |
Correct |
3 ms |
384 KB |
Output is correct |
64 |
Correct |
2 ms |
384 KB |
Output is correct |
65 |
Correct |
44 ms |
1664 KB |
Output is correct |
66 |
Correct |
51 ms |
1784 KB |
Output is correct |
67 |
Correct |
64 ms |
1636 KB |
Output is correct |
68 |
Correct |
62 ms |
1664 KB |
Output is correct |
69 |
Correct |
67 ms |
1656 KB |
Output is correct |
70 |
Correct |
63 ms |
1664 KB |
Output is correct |
71 |
Correct |
57 ms |
1664 KB |
Output is correct |
72 |
Correct |
48 ms |
1660 KB |
Output is correct |
73 |
Correct |
50 ms |
1784 KB |
Output is correct |
74 |
Correct |
51 ms |
1656 KB |
Output is correct |
75 |
Correct |
51 ms |
1672 KB |
Output is correct |
76 |
Correct |
53 ms |
1656 KB |
Output is correct |
77 |
Correct |
51 ms |
1656 KB |
Output is correct |
78 |
Correct |
53 ms |
1628 KB |
Output is correct |
79 |
Correct |
54 ms |
1544 KB |
Output is correct |
80 |
Correct |
54 ms |
1556 KB |
Output is correct |
81 |
Correct |
50 ms |
1556 KB |
Output is correct |
82 |
Correct |
52 ms |
1656 KB |
Output is correct |
83 |
Correct |
52 ms |
1532 KB |
Output is correct |
84 |
Correct |
57 ms |
1656 KB |
Output is correct |
85 |
Correct |
53 ms |
1656 KB |
Output is correct |
86 |
Correct |
53 ms |
1656 KB |
Output is correct |
87 |
Correct |
56 ms |
1656 KB |
Output is correct |
88 |
Correct |
62 ms |
1656 KB |
Output is correct |
89 |
Correct |
68 ms |
1656 KB |
Output is correct |
90 |
Correct |
62 ms |
1656 KB |
Output is correct |
91 |
Correct |
62 ms |
1664 KB |
Output is correct |
92 |
Correct |
57 ms |
1656 KB |
Output is correct |
93 |
Correct |
60 ms |
1656 KB |
Output is correct |
94 |
Correct |
65 ms |
1652 KB |
Output is correct |
95 |
Correct |
66 ms |
1656 KB |
Output is correct |
96 |
Correct |
52 ms |
1656 KB |
Output is correct |
97 |
Correct |
52 ms |
1656 KB |
Output is correct |
98 |
Correct |
52 ms |
1656 KB |
Output is correct |
99 |
Correct |
54 ms |
1656 KB |
Output is correct |
100 |
Correct |
53 ms |
1628 KB |
Output is correct |
101 |
Correct |
53 ms |
1656 KB |
Output is correct |
102 |
Correct |
51 ms |
1656 KB |
Output is correct |
103 |
Correct |
51 ms |
1656 KB |
Output is correct |