#include <bits/stdc++.h>
#define endl "\n"
#define mp make_pair
#define pb push_back
#define F first
#define S second
#define sz size()
#define rep(i,k,n) for(int i = k ; i <= n ; ++i)
#define per(i,k,n) for(int i = k ; i >= n ; --i)
#define Zymraq() ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#define all(x) x.begin(),x.end()
#define fr(x) freopen(x".in","r",stdin),freopen(x".out","w",stdout)
#define toqta return 0
#define PERMUTE next_permutation
#define no cout<<"No"<<endl;
#define yes cout<<"Yes"<<endl;
#define a() a + 1, a + n + 1
using namespace std;
#pragma GCC optimize("inline")
#pragma GCC optimize("-fgcse,-fgcse-lm")
#pragma GCC optimize("-ftree-pre,-ftree-vrp")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-fipa-sra")
#pragma GCC optimize("-fpeephole2")
#pragma GCC optimize("-fsched-spec")
#pragma GCC optimize("Ofast,no-stack-protector")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
#pragma GCC optimize("unroll-loops")
typedef long long ll;
typedef unsigned long long ull;
typedef string S;
typedef double ld;
typedef long double lld;
const int N = 1e6 + 17;
const int modd = 1e9 + 7;
const ll INF = 1e18 - 19;
const int P = 37;
const ll NN = 1e7 + 17;
const ld eps = 1e-19;
const double pi = 3.141592653589793238462643383279 ;
bool sortbysec(const pair<int,int> &a, const pair<int,int> &b){
return (a.second < b.second);
}
void pre (ll a) {
cout << fixed << setprecision(a);
return;
}
ll n, x[N], y[N];
ll in[200][200];
ll totalans;
inline void Solution () {
cin >> n;
for (int i = 1; i <= 2 * n; ++ i) {
cin >> x[i] >> y[i];
}
for (ll i = 1; i <= 2 * n; ++ i) {
ll mn = INF, xx, yy;
for (ll j = 1; j <= n; ++ j) {
if (mn > abs(x[i] - j) + abs(y[i] - 2)) {
mn = abs(x[i] - j) + abs(y[i] - 2);
xx = j, yy = 2;
}
if (mn > abs(x[i] - j) + abs(y[i] - 1)) {
mn = abs(x[i] - j) + abs(y[i] - 1);
xx = j, yy = 1;
}
}
in[xx][yy] ++;
totalans += mn;
}
for (int i = 1; i <= n; ++ i) {
for (int j = 1; j <= 2; ++ j) {
if (in[i][j] == 0) {
ll mn = INF, xx, yy;
for (int k = 1; k <= n; ++ k) {
if (in[k][1] > 1 && mn > abs (i - k) + abs (j - 1)) {
mn = abs (i - k) + abs (j - 1);
xx = k, yy = 1;
}
if (in[k][2] > 1 && mn > abs (i - k) + abs (j - 2)) {
mn = abs (i - k) + abs (j - 2);
xx = k, yy = 2;
}
}
if (mn == INF) continue;
in[xx][yy] --;
in[i][j] = 1;
totalans += mn;
}
}
}
cout << totalans;
return;
}
int main () {
Zymraq();
Solution ();
exit (0);
}
Compilation message
joi2019_ho_t4.cpp: In function 'void Solution()':
joi2019_ho_t4.cpp:80:12: warning: 'yy' may be used uninitialized in this function [-Wmaybe-uninitialized]
80 | in[xx][yy] ++;
| ~~~~~~~~~^
joi2019_ho_t4.cpp:80:12: warning: 'xx' may be used uninitialized in this function [-Wmaybe-uninitialized]
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
320 KB |
Output is correct |
| 2 |
Correct |
0 ms |
324 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 |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
320 KB |
Output is correct |
| 2 |
Correct |
0 ms |
324 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 |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
320 KB |
Output is correct |
| 2 |
Correct |
0 ms |
324 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 |
- |
