lanqiao 19712 数字接龙

2025-04-11 09:28:12 +08:00
parent 35658f092a
commit 01e55f3cf7
1 changed files with 4 additions and 3 deletions
--- a/15lanqiao/test6.cpp
+++ b/15lanqiao/test6.cpp
@@ -29,6 +29,7 @@ void dfs(int x, int y, int pre, string s, int dep){
        if((a[bx][by] < k && a[bx][by] == pre + 1) || (pre + 1 == k && a[bx][by] == 0)){
            vis[bx][by] = 1;
            dfs(bx, by, a[bx][by], s + to_string(i), dep + 1);
+
            // 最优性剪枝
            if(!res.empty()) return;
            vis[bx][by] = 0; //回溯
@@ -51,7 +52,7 @@ int main() {
 	return 0;
 }

-/* test samples
+/* test samples -> 41255214
 3 3
 0 2 0
 1 1 1