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-rw-r--r--all_path_src_target.cpp30
1 files changed, 30 insertions, 0 deletions
diff --git a/all_path_src_target.cpp b/all_path_src_target.cpp
new file mode 100644
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--- /dev/null
+++ b/all_path_src_target.cpp
@@ -0,0 +1,30 @@
+#include "leetcode.h"
+
+class Solution {
+public:
+ vvd(int) allPathsSourceTarget(vvd(int) & graph) {
+ vvd(int) ans;
+ vector<int> path;
+ dfs(graph, ans, path, 0);
+ return ans;
+ }
+
+private:
+ void dfs(vvd(int) & graph, vvd(int) & ans, vector<int> &path, int curr) {
+ path.push_back(curr);
+ if (curr == graph.size() - 1)
+ ans.push_back(path);
+ else
+ for (auto it : graph[curr])
+ dfs(graph, ans, path, it);
+ path.pop_back();
+ }
+};
+
+int main() {
+ Solution obj;
+ vvd(int) graph = {{1, 2}, {3}, {3}, {}};
+ for (auto i : obj.allPathsSourceTarget(graph))
+ for (auto j : i)
+ cout << j << ' ';
+}