1 files changed, 37 insertions, 0 deletions
diff --git a/17/day2/cookie.cpp b/17/day2/cookie.cpp
new file mode 100644
index 0000000..d03e72f
--- /dev/null
+++ b/17/day2/cookie.cpp
@@ -0,0 +1,37 @@
+#include <bits/stdc++.h>
+#define f first
+#define s second
+using namespace std;
+using ll = long long;
+using pl = pair<ll, ll>;
+
+ll C[5005], D[5005];
+pl DP[5005][5005];
+
+int main() {
+	ios_base::sync_with_stdio(0), cin.tie(0);
+
+	ll N, T, RA, RB;
+	cin >> N >> T >> RA >> RB;
+	for (int i = 0; i < N; ++i) cin >> C[i];
+	for (int i = 0; i < N; ++i) cin >> D[i];
+	
+	memset(DP, 63, sizeof(DP));
+	DP[0][0] = pl(0, 0);
+	ll ans = T;
+	for (int i = 0; i <= N; ++i) {
+		for (int j = 0; j <= N; ++j) {
+			ll r = 1 + i * RA + j * RB;
+			if (i < N) {
+				ll t = max((C[i] + DP[i][j].s + r - 1) / r, 0ll);
+				DP[i + 1][j] = min(pl(DP[i][j].f + t, -t * r + C[i] + DP[i][j].s), DP[i + 1][j]);
+			}
+			if (j < N) {
+				ll t = max((D[j] + DP[i][j].s + r - 1) / r, 0ll);
+				DP[i][j + 1] = min(pl(DP[i][j].f + t, -t * r + D[j] + DP[i][j].s), DP[i][j + 1]);
+			}
+			ans = min(DP[i][j].f + max((T + DP[i][j].s + r - 1) / r, 0ll), ans);
+		}
+	}
+	cout << ans << '\n';
+}
+\ No newline at end of file