solution/M1-031

projects/m1/031-coin-flip-simulation/js/index.js

@@ -0,0 +1,60 @@
+const NUM_EQUALS= 3;
+const NUM_TENTATIVI= 10;
+function getRandomIntInclusive(min, max) {
+    const minCeiled = Math.ceil(min);
+    const maxFloored = Math.floor(max);
+    return Math.floor(Math.random() * (maxFloored - minCeiled + 1) + minCeiled); // The maximum is inclusive and the minimum is inclusive
+  }
+
+ function main() {
+        const randomArray= getInput();
+
+        const lung = randomArray.reduce((acc,next)=>{
+            return acc+= next.length
+        },0)
+
+        console.log(`On average, ${lung /randomArray.length} flips were needed.`)
+}
+    main();
+
+
+
+function getRandomVal(){
+    return getRandomIntInclusive(0,1) === 0 ? 'T':'H'
+}
+
+
+function getRandom(array=[],count = 0){
+
+    if(count === NUM_EQUALS){
+        return array;
+    }
+
+    const randomVal = getRandomVal(0,1);
+    if(randomVal !== array.at(-1)){
+        count=1;
+    }
+    else{
+        count++;
+    }
+    array.push(randomVal);
+
+    return getRandom(array,count);
+}
+
+
+
+ function getInput(array=[],obj={}){
+
+  if(array.length === NUM_TENTATIVI){
+    return array;
+  }
+
+  const randomArray = getRandom();
+  array.push(randomArray);
+  console.log(`${randomArray.join(' ')} (${randomArray.length} flips)`)
+
+return getInput(array,obj)
+  }
+
+