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-rw-r--r--22.16/main.cpp21
1 files changed, 13 insertions, 8 deletions
diff --git a/22.16/main.cpp b/22.16/main.cpp
index 9f7641a..62ffe2a 100644
--- a/22.16/main.cpp
+++ b/22.16/main.cpp
@@ -51,19 +51,23 @@ void findLengths(Graph &g, int base) {
Graph g;
-int rec(int cur, vector<int> &avail, int time, int score) {
+int rec(vector<int> &avail, int time1, int time2, int score = 0, int pos1 = 0, int pos2 = 0) {
int best = score;
+ if (time1 < time2) {
+ swap(time1, time2);
+ swap(pos1, pos2);
+ }
for (int i = 0; i < avail.size(); i++) {
int n = avail[i];
if (n == 0) continue;
- avail[i] = 0;
- int time2 = time + g.dist[{cur, n}] + 1;
- if (time2 < 30) {
- int score2 = score + g.rates[n] * (30 - time2);
- best = max(best, rec(n, avail, time2, score2));
+ int time1_b = time1 - g.dist[{pos1, n}] - 1;
+ if (time1_b > 0) {
+ avail[i] = 0;
+ int score_b = score + g.rates[n] * time1_b;
+ best = max(best, rec(avail, time1_b, time2, score_b, n, pos2));
+ avail[i] = n;
}
- avail[i] = n;
}
return best;
}
@@ -91,5 +95,6 @@ int main() {
for (int base : nonzero)
findLengths(g, base);
- cout << rec(0, nonzero, 0, 0) << endl;
+ cout << rec(nonzero, 30, 0) << endl;
+ cout << rec(nonzero, 26, 26) << endl;
}