Submission #254222

#	Time	Username	Problem	Language	Result	Execution time	Memory
254222		amoo_safar	Homecoming (BOI18_homecoming)	C++17	Compilation error	0 ms	0 KiB

homecoming

// Null
#include <bits/stdc++.h>


#ifndef safar
#include homecoming.h
#endif

#define pb push_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " : " << x << '\n'

using namespace std;

typedef long long ll;

const int N = 2e6 + 10;
const ll Inf = 1e18;

ll dp[2][N];

ll solve(int n, int k, int *A, int *B){
	ll ans = 0;
	fill(dp[0], dp[0] + N, -Inf);
	fill(dp[1], dp[1] + N, -Inf);
	
	dp[0][0] = 0;
	ll Sm = A[0];
	for(int i = 1; i <= n; i++){
		Sm += A[i];
		dp[0][i] = max(dp[0][i - 1], dp[1][i - 1]);
		if(i >= k){
			Sm -= A[i - k];
			dp[1][i] = max(dp[1][i - 1] - B[i] + A[i - k + 1], dp[0][i-k] + A[i - k + 1] - Sm);
		}
	}
	ans = max(ans, dp[0][n - 1] + dp[1][n - 1]);

	fill(dp[0], dp[0] + N, -Inf);
	fill(dp[1], dp[1] + N, -Inf);
	Sm = 0;
	for(int i = 0; i < k; i++) Sm += A[(n - i) % n];

	for(int i = 1; i <= n; i++){
		Sm += A[i];
		Sm -= A[(i - k + n) % n];

		dp[1][i] = max(dp[0][i - 1], dp[1][i - 1]);
		
		dp[0][i] = max(dp[0][i - 1] + B[i] - A[i], dp[0][i - 1] + B[i] - Sm);
	}
	ll S2 = 0;
	for(int i = 0; i < n; i++) S2 += A[i] - B[i];

	ans = max(ans, S2 + max(dp[0][n - 1], dp[1][n - 1]));
	ans = max(ans, S2);
	return ans;
}

#ifdef safar
int Ai[3] = {40, 80, 0}, Bi[3] = {140, 0, 20};
int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cout << solve(3, 2, Ai, Bi) << '\n';
	return 0;
}
#endif

Compilation message (stderr)

homecoming.cpp:6:10: error: #include expects "FILENAME" or <FILENAME>
 #include homecoming.h
          ^~~~~~~~~~