Initial commit

node_modules/js-sdsl/dist/cjs/container/OtherContainer/PriorityQueue.js

@@ -0,0 +1,118 @@
+"use strict";
+
+Object.defineProperty(exports, "t", {
+    value: true
+});
+
+exports.default = void 0;
+
+var _ContainerBase = require("../ContainerBase");
+
+class PriorityQueue extends _ContainerBase.Base {
+    constructor(t = [], s = function(t, s) {
+        if (t > s) return -1;
+        if (t < s) return 1;
+        return 0;
+    }, i = true) {
+        super();
+        this.v = s;
+        if (Array.isArray(t)) {
+            this.C = i ? [ ...t ] : t;
+        } else {
+            this.C = [];
+            const s = this;
+            t.forEach((function(t) {
+                s.C.push(t);
+            }));
+        }
+        this.i = this.C.length;
+        const e = this.i >> 1;
+        for (let t = this.i - 1 >> 1; t >= 0; --t) {
+            this.k(t, e);
+        }
+    }
+    m(t) {
+        const s = this.C[t];
+        while (t > 0) {
+            const i = t - 1 >> 1;
+            const e = this.C[i];
+            if (this.v(e, s) <= 0) break;
+            this.C[t] = e;
+            t = i;
+        }
+        this.C[t] = s;
+    }
+    k(t, s) {
+        const i = this.C[t];
+        while (t < s) {
+            let s = t << 1 | 1;
+            const e = s + 1;
+            let h = this.C[s];
+            if (e < this.i && this.v(h, this.C[e]) > 0) {
+                s = e;
+                h = this.C[e];
+            }
+            if (this.v(h, i) >= 0) break;
+            this.C[t] = h;
+            t = s;
+        }
+        this.C[t] = i;
+    }
+    clear() {
+        this.i = 0;
+        this.C.length = 0;
+    }
+    push(t) {
+        this.C.push(t);
+        this.m(this.i);
+        this.i += 1;
+    }
+    pop() {
+        if (this.i === 0) return;
+        const t = this.C[0];
+        const s = this.C.pop();
+        this.i -= 1;
+        if (this.i) {
+            this.C[0] = s;
+            this.k(0, this.i >> 1);
+        }
+        return t;
+    }
+    top() {
+        return this.C[0];
+    }
+    find(t) {
+        return this.C.indexOf(t) >= 0;
+    }
+    remove(t) {
+        const s = this.C.indexOf(t);
+        if (s < 0) return false;
+        if (s === 0) {
+            this.pop();
+        } else if (s === this.i - 1) {
+            this.C.pop();
+            this.i -= 1;
+        } else {
+            this.C.splice(s, 1, this.C.pop());
+            this.i -= 1;
+            this.m(s);
+            this.k(s, this.i >> 1);
+        }
+        return true;
+    }
+    updateItem(t) {
+        const s = this.C.indexOf(t);
+        if (s < 0) return false;
+        this.m(s);
+        this.k(s, this.i >> 1);
+        return true;
+    }
+    toArray() {
+        return [ ...this.C ];
+    }
+}
+
+var _default = PriorityQueue;
+
+exports.default = _default;
+//# sourceMappingURL=PriorityQueue.js.map