{"trustable":true,"sections":[{"title":"","value":{"format":"HTML","content":"\u003cstyle type\u003d\"text/css\"\u003e .sampledata { font-family: \"Courier New\", Courier, monospace; white-space: pre; }\u003c/style\u003e\u003cp\u003e\u003cimg border\u003d\"0\" SRC\u003d\"CDN_BASE_URL/bda5f85e4801a43fd5aa0f71799e0537?v\u003d1591432441\" alt\u003d\"\"\u003e\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cp\u003e第一行包含两个整数N和 M, 表示该无向图中点的数目与边的数目。 接下来M 行描述 M 条边,每行三个整数Si,Ti ,Di,表示 Si 与Ti之间存在 一条权值为 Di的无向边。 图中可能有重边或自环。\u003c/p\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cp\u003e仅包含一个整数,表示最大的XOR和(十进制结果),注意输出后加换行回车。\u003c/p\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cspan class\u003dsampledata\u003e5 7 \r\n1 2 2 \r\n1 3 2 \r\n2 4 1 \r\n2 5 1 \r\n4 5 3 \r\n5 3 4 \r\n4 3 2 \u003c/span\u003e\u003c/div\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cspan class\u003dsampledata\u003e6\u003c/span\u003e\u003c/div\u003e"}},{"title":"Hint","value":{"format":"HTML","content":"\u003cp\u003e\u003c/p\u003e\n\u003cp\u003e\u003cimg border\u003d\"0\" SRC\u003d\"CDN_BASE_URL/037f6b20843723e8826bef4f88edd609?v\u003d1591432441\" alt\u003d\"\"\u003e\u003c/p\u003e\n\u003cp\u003e\u003c/p\u003e"}}]}