Submission #496909

#	Time	Username	Problem	Language	Result	Execution time	Memory
496909		mansur	Coin Collecting (JOI19_ho_t4)	C++17	0 / 100	1 ms	204 KiB

joi2019_ho_t4

#include<bits/stdc++.h>	
 
#pragma optimize ("g",on)
#pragma GCC optimize ("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")
#pragma comment(linker, "/stack:200000000")
 
//01001101 01100001 01101011 01101000 01100001  01100111 01100001 01111001 
 
using namespace std;
 
#define all(a) a.begin(), a.end()                                                   
#define rall(a) a.rbegin(), a.rend()
#define ll long long
#define pb push_back
#define sz(a) a.size()
#define nl '\n'
#define popb pop_back()                                                                   
#define ld double
#define ull unsigned long long
#define ff first                                         
#define ss second  
#define fix fixed << setprecision
#define pii pair<int, int>                          
#define E exit (0)
#define int long long
 
const int inf = 1e15, N = 1e6 + 1, mod = 998244353;                    
 
vector<pii> dir = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};
 
main() {                                                         
	//freopen("cowrect.in", "r", stdin);                                                                                     
	//freopen("cowrect.out", "w", stdout);                                                                                     
	ios_base::sync_with_stdio(NULL);                                                                                        
	cin.tie(NULL);
	int n;
	cin >> n;
	vector<pii> a, b;
	for (int i = 1, x, y; i <= n * 2; i++) {
		cin >> x >> y;
		if (y <= 1) {
			a.pb({x, y});
		}else b.pb({x, y});
	}

	if (sz(a) > n) {
		sort(all(a));
		int mn = inf;
		for (int l = 0; l <= sz(a) - n; l++) {
			int cur = 0;
			for (int r = l; r < l + n; r++) {
				cur += abs((r - l + 1) - a[r].ff) + 1 - a[r].ss;			
			}
			vector<pii> s = b;
			for (int i = 0; i < l; i++) s.pb(a[i]);
			for (int i = l + n; i < sz(a); i++) s.pb(a[i]);
			sort(all(s));
			for (int i = 0; i < sz(s); i++) {
				cur += abs(i + 1 - s[i].ff) + abs(2 - s[i].ss);
			}
			mn = min(mn, cur);
		}
		cout << mn;
	}else {
		sort(all(b));
		int mn = inf;
		for (int l = 0; l <= sz(b) - n; l++) {
			int cur = 0;
			for (int r = l; r < l + n; r++) {
				cur += abs((r - l + 1) - b[r].ff) + b[r].ss - 2;			
			}
			vector<pii> s = a;
			for (int i = 0; i < l; i++) s.pb(b[i]);
			for (int i = l + n; i < sz(b); i++) s.pb(b[i]);
			sort(all(s));
			for (int i = 0; i < sz(s); i++) {
				cur += abs(i + 1 - s[i].ff) + abs(1 - s[i].ss);
			}
			mn = min(mn, cur);
		}
		cout << mn;
    }
} 

Compilation message (stderr)

joi2019_ho_t4.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    3 | #pragma optimize ("g",on)
      | 
joi2019_ho_t4.cpp:9: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    9 | #pragma comment(linker, "/stack:200000000")
      | 
joi2019_ho_t4.cpp:35:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   35 | main() {
      | ^~~~
joi2019_ho_t4.cpp: In function 'int main()':
joi2019_ho_t4.cpp:50:12: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   50 |  if (sz(a) > n) {
      |            ^
joi2019_ho_t4.cpp:53:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'long long unsigned int' [-Wsign-compare]
   53 |   for (int l = 0; l <= sz(a) - n; l++) {
      |                   ~~^~~~~~~~~~~~
joi2019_ho_t4.cpp:60:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |    for (int i = l + n; i < sz(a); i++) s.pb(a[i]);
      |                          ^
joi2019_ho_t4.cpp:62:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |    for (int i = 0; i < sz(s); i++) {
      |                      ^
joi2019_ho_t4.cpp:71:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'long long unsigned int' [-Wsign-compare]
   71 |   for (int l = 0; l <= sz(b) - n; l++) {
      |                   ~~^~~~~~~~~~~~
joi2019_ho_t4.cpp:78:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   78 |    for (int i = l + n; i < sz(b); i++) s.pb(b[i]);
      |                          ^
joi2019_ho_t4.cpp:80:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   80 |    for (int i = 0; i < sz(s); i++) {
      |                      ^

• Subtask 1: 0 / 8
• Subtask 2: 0 / 29
• Subtask 3: 0 / 63