// I stand with PALESTINE
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize ("unroll-loops")
//#pragma GCC target("avx,avx2")
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
//using namespace __gnu_pbds;
#define int long long
#define ff first
#define ss second
#define sz(a) (int) (a).size()
//template<class T, class C = null_type> using ordered_tree = tree<T, C, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long double ld;
namespace io {
template<typename F, typename S>
ostream &operator<<(ostream &os, const pair<F, S> &p) { return os << p.ff << " " << p.ss; }
template<typename F, typename S>
ostream &operator<<(ostream &os, const map<F, S> &mp) {
for (auto it: mp) { os << it << endl; }
return os;
}
template<typename F>
ostream &operator<<(ostream &os, const vector<F> &v) {
bool space = false;
for (F x: v) {
if (space) os << " ";
space = true;
os << x;
}
return os;
}
template<typename F>
ostream &operator<<(ostream &os, const deque<F> &d) {
bool space = false;
for (F x: d) {
if (space) os << " ";
space = true;
os << x;
}
return os;
}
template<typename F>
ostream &operator<<(ostream &os, const set<F> &st) {
bool space = false;
for (F x: st) {
if (space) os << " ";
space = true;
os << x;
}
return os;
}
template<typename F>
ostream &operator<<(ostream &os, const multiset<F> &st) {
bool space = false;
for (F x: st) {
if (space) os << " ";
space = true;
os << x << x;
}
return os;
}
template<typename F, typename S>
istream &operator>>(istream &is, pair<F, S> &p) { return is >> p.ff >> p.ss; }
template<typename F>
istream &operator>>(istream &is, vector<F> &v) {
for (F &x: v) { is >> x; }
return is;
}
long long fastread() {
char c;
long long d = 1, x = 0;
do c = getchar(); while (c == ' ' || c == '\n');
if (c == '-') c = getchar(), d = -1;
while (isdigit(c)) {
x = x * 10 + c - '0';
c = getchar();
}
return d * x;
}
static bool sep = false;
using std::to_string;
string to_string(bool x) {
return (x ? "true" : "false");
}
string to_string(const string &s) { return "\"" + s + "\""; }
string to_string(const char *s) { return "\"" + string(s) + "\""; }
string to_string(const char &c) {
string s;
s += c;
return "\'" + s + "\'";
}
template<typename Type>
string to_string(vector<Type>);
template<typename F, typename S>
string to_string(pair<F, S>);
template<typename Collection>
string to_string(Collection);
template<typename F, typename S>
string to_string(pair<F, S> p) { return "{" + to_string(p.ff) + ", " + to_string(p.ss) + "}"; }
template<typename Type>
string to_string(vector<Type> v) {
bool sep = false;
string s = "[";
for (Type x: v) {
if (sep) s += ", ";
sep = true;
s += to_string(x);
}
s += "]";
return s;
}
template<typename Collection>
string to_string(Collection collection) {
bool sep = false;
string s = "{";
for (auto x: collection) {
if (sep) s += ", ";
sep = true;
s += to_string(x);
}
s += "}";
return s;
}
void print() {
cout << endl;
sep = false;
}
template<typename F, typename... Other>
void print(F ff, Other... other) {
if (sep) cout << " | ";
sep = true;
cout << to_string(ff);
print(other...);
}
}
using namespace io;
namespace utils {
template<typename F, typename S>
inline void maxs(F &a, S b) { a = a > b ? a : b; }
template<typename F, typename S>
inline void mins(F &a, S b) { a = a < b ? a : b; }
template<typename F, typename S>
long long max(F a, S b) { return a > b ? a : b; }
template<typename F, typename S>
long long min(F a, S b) { return a < b ? a : b; }
constexpr long long operator "" _E(unsigned long long n) {
long long p = 1, a = 10;
for (int i = 0; i < n; i++) p *= a;
return p;
}
random_device rd;
mt19937 mt(rd());
template<typename T>
T rand(T l, T r) {
uniform_int_distribution<T> dist(l, r);
return dist(mt);
};
}
using namespace utils;
#ifdef sunnatov
#define print(...) cout << "[" << #__VA_ARGS__ << "]: "; io::print( __VA_ARGS__ );
#else
#define print( ... ) 42
#endif
const int mod = 9_E + 7;
const double EPS = 1e-7;
long long doxuya = 18_E + 10;
int INF = 9_E + 10;
const char nl = '\n';
int month[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
/*
*/
using ll = long long;
void solution(istream &cin, ostream &cout, const int &test_case) {
int k, n;
cin >> k >> n;
vector<pair<int, int>> a;
int fixed = 0;
for (int i = 0; i < n; i++) {
char s1, s2; int p1, p2;
cin >> s1 >> p1 >> s2 >> p2;
if (s1 == s2) {
fixed += abs(p1 - p2);
continue;
}
fixed++;
a.emplace_back(min(p1, p2), max(p1, p2));
}
n = sz(a);
sort(a.begin(), a.end(), [](pair<int, int> a, pair<int, int> b) {
if (a.ss != b.ss) return a.ss < b.ss;
return a.ff < b.ff;
});
print(a);
// k = 1
vector<int> vec;
for (int i = 0; i < n; i++) vec.emplace_back(a[i].ff);
for (int i = 0; i < n; i++) vec.emplace_back(a[i].ss);
sort(vec.begin(), vec.end());
int ans = 0, cent = vec[sz(vec) / 2];
for (int x: vec) ans += abs(x - cent);
if (k > 1) {
for (int x: vec) {
int now = 0;
vector<int> vec2;
for (int i = 0; i < n; i++) {
if (a[i].ss <= x or a[i].ff <= x and x <= a[i].ss) {
now += abs(x - a[i].ff) + abs(x - a[i].ss);
} else {
vec2.emplace_back(a[i].ff);
vec2.emplace_back(a[i].ss);
}
}
sort(vec2.begin(), vec2.end());
for (int y: vec2) now += abs(y - vec2[sz(vec2) / 2]);
mins(ans, now);
}
}
cout << ans + fixed;
}
int32_t main() {
clock_t startTime = clock();
cin.tie(0)->sync_with_stdio(false);
srand(time(0));
std::istream &in(std::cin);
std::ostream &out(std::cout);
int32_t queries = 1;
#ifdef test_cases
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
cin >> queries;
#else
// cin >> queries;
#endif
for (int32_t test_case = 1; test_case <= queries; test_case++) {
print(test_case);
solution(cin, cout, test_case);
cout << nl;
}
#ifdef sunnatov
cout << "Time: " << (int) ((double) (clock() - startTime) / CLOCKS_PER_SEC * 1000) << " ms" << endl;
#endif
return EXIT_SUCCESS;
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |