Submission #497392

#	Time	Username	Problem	Language	Result	Execution time	Memory
497392		mansur	Growing Vegetable is Fun 3 (JOI19_ho_t3)	C++17	0 / 100	1 ms	312 KiB

joi2019_ho_t3

#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 = 1e5, 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;
	string s;
	cin >> s;
	vector<int> a, was(4);
	for (auto e: s) {
		if (e == 'R') a.pb(1);
		if (e == 'G') a.pb(2);
		if (e == 'Y') a.pb(3);
	}
	int ans = 0;
	for (int i = 1; i < n; i++) {
		if (a[i] == a[i - 1]) {
			for (int j = i + 1; j < n; j++) {
				if (a[j] != a[i]) {
					for (int s = j; s > i; s--) {
						swap(a[s], a[s - 1]);
					}
					ans += j - i;
					break;
				}
			}
		}
	}
	reverse(all(a));
	for (int i = 1; i < n; i++) {
		if (a[i] == a[i - 1]) {
			bool ok = 0;
			for (int j = i + 1; j < n; j++) {
				if (a[j] != a[i]) {
					for (int s = j; s > i; s--) {
						swap(a[s], a[s - 1]);
					}
					ans += j - i;
					ok = 1;
					break;
				}
			}
			if (!ok) cout << -1, E;
		}
	}
	cout << ans;
}

Compilation message (stderr)

joi2019_ho_t3.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    3 | #pragma optimize ("g",on)
      | 
joi2019_ho_t3.cpp:9: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    9 | #pragma comment(linker, "/stack:200000000")
      | 
joi2019_ho_t3.cpp:35:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   35 | main() {
      | ^~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 55
• Subtask 3: 0 / 15
• Subtask 4: 0 / 25