Create 886-possible-bipartition.js

Author: everthis

886-possible-bipartition.js

@@ -0,0 +1,35 @@
+/**
+ * @param {number} N
+ * @param {number[][]} dislikes
+ * @return {boolean}
+ */
+const possibleBipartition = function(N, dislikes) {
+    const graph = []
+    for(let i = 0; i <= N; i++) {
+        graph[i] = []
+    }
+    for(let el of dislikes) {
+        graph[el[0]].push(el[1])
+        graph[el[1]].push(el[0])
+    }
+    const color = new Array(N+1).fill(0)
+    for (let i = 1; i <= N; i++) {
+        if (color[i] == 0) {
+            color[i] = 1;
+            const q = [];
+            q.push(i);
+            while (q.length > 0) {
+                let cur = q.shift();
+                for (let j of graph[cur]) {
+                    if (color[j] == 0) {
+                        color[j] = color[cur] == 1 ? 2 : 1;
+                        q.push(j);
+                    } else {
+                        if (color[j] == color[cur]) return false;
+                    }
+                }
+            }
+        }
+    }
+    return true
+};