diff options
Diffstat (limited to 'dp_solver.cpp')
| -rw-r--r-- | dp_solver.cpp | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/dp_solver.cpp b/dp_solver.cpp index eb35371..055990c 100644 --- a/dp_solver.cpp +++ b/dp_solver.cpp @@ -13,17 +13,14 @@ typedef long long ll; // Initial conditions // Change these values to alter the initial state -ll start = 0, goal = 1e10; +ll start = 0, goal = 1e10; // Start and end amounts int max_it = 150; // Number of iterations to solve int MPQ = 0, SB = 0, M = 0; // Initial upgrade status int D = 0, R = 0, B1 = 0, B2 = 0; // Initial power-up status -// Initial state -int s = 3600 * MPQ + 360 * SB + 36 * M + 18 * D + 9 * R + 3 * B1 + B2; - // State: Iteration, Upgrade status, Power-up status -// DP stores maximum possible money for each state -// pre used to reconstruct optimal strategy +// DP array stores maximum possible money for each state +// pre array used to reconstruct optimal strategy ll DP[7200000], pre[7200000]; // Upgrade values @@ -64,6 +61,9 @@ int main() { // Initialize DP array memset(DP, -1, sizeof(DP)); + // Calculate initial state + int s = 3600 * MPQ + 360 * SB + 36 * M + 18 * D + 9 * R + 3 * B1 + B2; + // Set initial value DP[s] = start; for (int i = 0; i < 36000 * max_it; i++) { @@ -138,8 +138,8 @@ int main() { // Buy the mini bonus if (B1 == 0 && DP[i] - pcost(2, DP[i]) > DP[i + 2]) { - DP[i + 2] = DP[i] - pcost(2, DP[i]); - pre[i + 2] = i; + DP[i + 3] = DP[i] - pcost(2, DP[i]); + pre[i + 3] = i; } // Buy the mega bonus |