Submission #121763

#TimeUsernameProblemLanguageResultExecution timeMemory
121763_7_7_Lottery (CEOI18_lot)C++14
100 / 100
478 ms12536 KiB
#include <bits/stdc++.h>                                           

//#define int long long	
//#pragma GCC optimize("Ofast")
//#pragma comment(linker, "/stack:200000000")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4")

#define file(s) freopen(s".in","r",stdin); freopen(s".out","w",stdout);                                          
#define forev(i, b, a) for(int i = (b); i >= (a); --i)	    
#define forn(i, a, b) for(int i = (a); i <= (b); ++i)
#define sz(s) (int)s.size()
#define all(x) x.bg, x.en                                                                    
#define pb push_back
#define ppb pop_back
#define mp make_pair
#define rbg rbegin()
#define bg begin()
#define en end()
#define s second
#define f first                                               
	
   
using namespace std;                  
   
   
typedef pair < long long, long long > pll;    
typedef pair < int, int > pii;
typedef unsigned long long ull;         
typedef vector < pii > vpii;
typedef vector < int > vi;
typedef long double ldb; 
typedef long long ll;  
typedef double db;                            
						               
				
const int dx[] = {1, -1, 0, 0}, dy[] = {0, 0, 1, -1}, block = 265;	
const pii base = mp(1171, 3307), Mod = mp(1e9 + 7, 1e9 + 9);  
const int inf = 1e9, N = 1e4 + 11, mod = 1e9 + 7;
const db eps = 1e-12, pi = 3.14159265359; 
const ll INF = 1e18;	


int n, l, a[N], q, pos[N], c[N], add[N][104], res[N][104];
pii b[N];


main () {
	ios_base :: sync_with_stdio(0);
	cin.tie(0);                                        
	cout.tie(0);
	cin >> n >> l;
	forn (i, 1, n)
		cin >> a[i];                  

	cin >> q;
	forn (i, 1, q) {
		cin >> b[i].f;
		b[i].s = i;
	}

	sort(b + 1, b + 1 + q);
	b[0].f = -1;
	forn (i, 0, n)
		c[i] = q + 1;
	forn (i, 1, q) {
		pos[b[i].s] = i;
		forn (x, b[i - 1].f + 1, b[i].f)
			c[x] = i;						
	}


	forn (d, 1, n - l) {
		int cur = 0;
		forn (i, 1, l - 1)
			cur += (a[i] != a[i + d]);
		forn (i, l, n - d) {
			cur += (a[i] != a[i + d]);
			++add[i - l + 1][c[cur]];			
			++add[i + d - l + 1][c[cur]];
//			cout << i << ' ' << i + d << ' ' << cur << ' ' << c[cur] << endl;
			cur -= (a[i - l + 1] != a[i - l + 1 + d]);
		}
	}

	forn (i, 1, q) 
		forn (j, 1, n)
			res[j][i] = res[j][i - 1] + add[j][i];
	
	forn (i, 1, q) {
		forn (j, 1, n - l + 1)
			cout << res[j][pos[i]] << ' '; 
		cout << endl;		
	}
	return 0;
}

Compilation message (stderr)

lot.cpp:47:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main () {
       ^
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