/*#pragma GCC optimize("O3")
#pragma GCC target ("avx2")
#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>
#define file(data) freopen(data".in", "r", stdin); freopen(data".out", "w", stdout);
#define pb push_back
#define all(data) data.begin(), data.end()
#define endl '\n'
#define ll long long
#define int long long
#define pii pair < ll, ll >
using namespace std;
const int N = 4e5 + 5;
const int lg = 21;
int n, x[N], y[N], used[N];
main() {
//file("pieaters");
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> n;
vector < pair < int, pii > > v;
for(int i = 1; i <= n * 2; i++) {
cin >> x[i] >> y[i];
for(int j = 1; j <= n; j++) {
for(int k = 1; k <= 2; k++) {
v.pb({abs(x[i] - j) + abs(y[i] - k), {i, (j - 1) * 2 + k + n * 2}});
}
}
}
sort(all(v));
int ans = 0;
for(int i = 0; i < v.size(); i++) {
int a = v[i].second.first, b = v[i].second.second, len = v[i].first;
//cout << len << " " << a << " " << b << endl;
if(!used[a] && !used[b]) {
used[a] = used[b] = 1;
ans += len;
}
}
cout << ans;
}
Compilation message
joi2019_ho_t4.cpp:22:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
22 | main() {
| ^~~~
joi2019_ho_t4.cpp: In function 'int main()':
joi2019_ho_t4.cpp:39:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, std::pair<long long int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
39 | for(int i = 0; i < v.size(); i++) {
| ~~^~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
0 ms |
332 KB |
Output is correct |
6 |
Incorrect |
0 ms |
332 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
0 ms |
332 KB |
Output is correct |
6 |
Incorrect |
0 ms |
332 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
0 ms |
332 KB |
Output is correct |
6 |
Incorrect |
0 ms |
332 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |