#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
#define int long long
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define ppb pop_back
#define eb emplace_back
#define g0(a) get<0>(a)
#define g1(a) get<1>(a)
#define g2(a) get<2>(a)
#define g3(a) get<3>(a)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef double db;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef tuple<int, int, int> iii;
typedef tuple<int, int, int, int> iiii;
typedef tree<ii, null_type, less<ii>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
int N, ans, X[100005], Y[100005];
vector<ii> v1, v2;
main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin >> N;
for (int i = 1; i <= N * 2; i++) {
cin >> X[i] >> Y[i];
if (Y[i] <= 1) v1.eb(X[i], Y[i]);
else v2.eb(X[i], Y[i]);
}
sort(v1.begin(), v1.end(), greater<ii>());
sort(v2.begin(), v2.end(), greater<ii>());
for (int i = 1; i <= N; i++) {
if (v1.empty()) {
ans += llabs(v2.back().first - i) + llabs(v2.back().second - 1);
cerr << v2.back().first << ' ' << v2.back().second << ' ' << llabs(v2.back().first - i) + llabs(v2.back().second - 1) << '\n';
v2.ppb();
ans += llabs(v2.back().first - i) + llabs(v2.back().second - 2);
cerr << v2.back().first << ' ' << v2.back().second << ' ' << llabs(v2.back().first - i) + llabs(v2.back().second - 2) << '\n';
v2.ppb();
} else if (v2.empty()) {
ans += llabs(v1.back().first - i) + llabs(v1.back().second - 1);
cerr << v1.back().first << ' ' << v1.back().second << ' ' << llabs(v1.back().first - i) + llabs(v1.back().second - 1) << '\n';
v1.ppb();
ans += llabs(v1.back().first - i) + llabs(v1.back().second - 2);
cerr << v1.back().first << ' ' << v1.back().second << ' ' << llabs(v1.back().first - i) + llabs(v1.back().second - 2) << '\n';
v1.ppb();
} else if ((v1.back().first <= i && v2.back().first <= i) || (v1.back().first >= i && v2.back().first >= i)) {
ans += llabs(v1.back().first - i) + llabs(v1.back().second - 1);
cerr << v1.back().first << ' ' << v1.back().second << ' ' << llabs(v1.back().first - i) + llabs(v1.back().second - 1) << '\n';
v1.ppb();
ans += llabs(v2.back().first - i) + llabs(v2.back().second - 2);
cerr << v2.back().first << ' ' << v2.back().second << ' ' << llabs(v2.back().first - i) + llabs(v2.back().second - 2) << '\n';
v2.ppb();
} else {
if (v1.back().first < v2.back().first) {
ans += llabs(v1.back().first - i) + llabs(v1.back().second - 1);
cerr << v1.back().first << ' ' << v1.back().second << ' ' << llabs(v1.back().first - i) + llabs(v1.back().second - 1) << '\n';
v1.ppb();
if (v1.empty()) {
ans += llabs(v2.back().first - i) + llabs(v2.back().second - 2);
cerr << v2.back().first << ' ' << v2.back().second << ' ' << llabs(v2.back().first - i) + llabs(v2.back().second - 2) << '\n';
v2.ppb();
} else if (v2.empty()) {
ans += llabs(v1.back().first - i) + llabs(v1.back().second - 2);
cerr << v1.back().first << ' ' << v1.back().second << ' ' << llabs(v1.back().first - i) + llabs(v1.back().second - 2) << '\n';
v1.ppb();
} else if ((v1.back().first <= i && v2.back().first <= i) || (v1.back().first >= i && v2.back().first >= i)) {
ans += llabs(v1.back().first - i) + llabs(v1.back().second - 2);
cerr << v1.back().first << ' ' << v1.back().second << ' ' << llabs(v1.back().first - i) + llabs(v1.back().second - 2) << '\n';
v1.ppb();
} else {
if (v1.back().first < v2.back().first) {
ans += llabs(v1.back().first - i) + llabs(v1.back().second - 2);
cerr << v1.back().first << ' ' << v1.back().second << ' ' << llabs(v1.back().first - i) + llabs(v1.back().second - 2) << '\n';
v1.ppb();
} else {
ans += llabs(v2.back().first - i) + llabs(v2.back().second - 2);
cerr << v2.back().first << ' ' << v2.back().second << ' ' << llabs(v2.back().first - i) + llabs(v2.back().second - 2) << '\n';
v2.ppb();
}
}
} else {
ans += llabs(v2.back().first - i) + llabs(v2.back().second - 2);
cerr << v2.back().first << ' ' << v2.back().second << ' ' << llabs(v2.back().first - i) + llabs(v2.back().second - 2) << '\n';
v2.ppb();
if (v1.empty()) {
ans += llabs(v2.back().first - i) + llabs(v2.back().second - 1);
cerr << v2.back().first << ' ' << v2.back().second << ' ' << llabs(v2.back().first - i) + llabs(v2.back().second - 1) << '\n';
v2.ppb();
} else if (v2.empty()) {
ans += llabs(v1.back().first - i) + llabs(v1.back().second - 1);
cerr << v1.back().first << ' ' << v1.back().second << ' ' << llabs(v1.back().first - i) + llabs(v1.back().second - 1) << '\n';
v1.ppb();
} else if ((v1.back().first <= i && v2.back().first <= i) || (v1.back().first >= i && v2.back().first >= i)) {
ans += llabs(v1.back().first - i) + llabs(v1.back().second - 1);
cerr << v1.back().first << ' ' << v1.back().second << ' ' << llabs(v1.back().first - i) + llabs(v1.back().second - 1) << '\n';
v1.ppb();
} else {
if (v1.back().first < v2.back().first) {
ans += llabs(v1.back().first - i) + llabs(v1.back().second - 1);
cerr << v1.back().first << ' ' << v1.back().second << ' ' << llabs(v1.back().first - i) + llabs(v1.back().second - 1) << '\n';
v1.ppb();
} else {
ans += llabs(v2.back().first - i) + llabs(v2.back().second - 1);
cerr << v2.back().first << ' ' << v2.back().second << ' ' << llabs(v2.back().first - i) + llabs(v2.back().second - 1) << '\n';
v2.ppb();
}
}
}
}
}
cout << ans << '\n';
}
Compilation message
joi2019_ho_t4.cpp:31:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
31 | main() {
| ^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |