doing a bit of code golf

Author: pfgithub

2021/solutions/day3/day3.3.ts

@@ -12,6 +12,55 @@ error(message: string) → thrown error
 
 export {};
 
-const practice = ``;
+const practice = `
+00100
+11110
+10110
+10111
+10101
+01111
+00111
+11100
+10000
+11001
+00010
+01010
+`;
+// input = practice;
 
-// input = practice;
+
+const itms = input.trim().split('\n');
+
+const num0 = itms[0].length.dwth(log); // 12
+const num1 = (itms.length) / 2; // 500
+
+const codegolf = m=>(q=a=>parseInt(a.join``,2),v1=new Array(m[0].length).fill``.map((_,i)=>+(m.reduce((t,a)=>t+(a[i]==0),0)<m.length/2)),v2=v1.map(w=>1-w),q(v1)*q(v2));
+// const codegolf = m=>(q=a=>parseInt(a.join``,2),v1=new Array(m[0].length).fill``.map((_,i)=>+(m.reduce((t,a)=>t+(a[i]==0),0)<m.length/2)),v2=v1.map(w=>1-w),q(v1)*q(v2));
+// const codegolf = v=>(q=a=>parseInt(a.join``,2),m=v.trim().split`\n`,v1=new Array(m[0].length).fill``.map((_,i)=>+(m.reduce((t,a)=>t+(a[i]==0),0)<m.length/2)),v2=v1.map(w=>1-w),q(v1)*q(v2));
+// const codegolf = v=>(q=a=>parseInt(a.join``,2),m=v.trim().split`\n`,v1=new Array(m[0].length).fill``.map((_,i)=>+(m.reduce((t,a)=>t+(a[i]=="0"),0)<m.length/2)),v2=v1.map(w=>1-w),q(v1)*q(v2));
+// const codegolf = v=>(q=a=>parseInt(a.join``,2),m=v.trim().split`\n`,v1=new Array(m[0].length).fill(0).map((_,i)=>+(m.reduce((t,a)=>t+(a[i]=="0"),0)<m.length/2)),v2=v1.map(w=>1-w),q(v1)*q(v2));
+// const codegolf = v=>(q=a=>parseInt(a.join``,2),m=v.trim().split`\n`,v1=range(m[0].length).map(i=>+(m.reduce((t,a)=>t+(a[i]=="0"),0)<m.length/2)),v2=v1.map(w=>1-w),q(v1)*q(v2));
+// const codegolf = v=>(q=parseInt,m=v.trim().split`\n`,v1=range(m[0].length).map(i=>+(m.reduce((t,a)=>t+(a[i]=="0"),0)<m.length/2)),v2=v1.map(w=>1-w),q(v1.join``,2)*q(v2.join``,2));
+// const codegolf = v=>(m=v.trim().split`\n`,v1=range(m[0].length).map(i=>+(m.reduce((t,a)=>t+(a[i]=="0"),0)<m.length/2)),v2=v1.map(w=>1-w),parseInt(v1.join``,2)*parseInt(v2.join``,2));
+console.log(codegolf(input.trim().split("\n")));
+
+
+let res: number[] = [];
+range(itms[0].length).map(i => {
+    let zeros = 0;
+    let ones = 0;
+    itms.forEach(cv => {
+        const c = cv[i];
+        if(c === "0") zeros++;
+        else ones++;
+    })
+    if(zeros > ones) res.push(0);
+    else res.push(1);
+});
+
+const ares = res.map(w => 1 - w);
+
+console.log(parseInt(res.join(""), 2) * parseInt(ares.join(""), 2));
+
+res.dwth(log)
+ares.dwth(log)