AND Equation (TypeScript)

index.ts

function toCombine(A: number[]): number[] {
  A.push(A[0]);
  A.splice(0, 1);
  return A;
}

class ANDEquation {
  private counter: number = 0;

  restoreY(A?: number[]): number {
    let result: number = null;

    if (A && A.length > 0) {
      const N: number[] = A.slice(0, (A.length-1));
      const residue = A[A.length - 1];

      if (this.counter < N.length) {
        let i: number = 0;

        while (i < N.length) {
          if (result == null) {
            result = N[i];
          } else {
            result &= N[i];
          }

          i++;
        }

        if (result !== residue) {
          ++this.counter;
          return this.restoreY(toCombine(A));
        }
      } else {
        this.counter = 0;

        if (result !== residue) {
          result = -1;
        }
      }
    }

    return result;
  }
}

const AEq = new ANDEquation();

console.log(AEq.restoreY([1, 3, 5]));
console.log(AEq.restoreY([31, 7]));
console.log(AEq.restoreY([31, 7, 7]));
console.log(AEq.restoreY([1,0,0,1,0,1,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,1,0,1,1,0,0,0,1]));
console.log(AEq.restoreY([191411,256951,191411,191411,191411,256951,195507,191411,192435,191411,191411,195511,191419,191411,256947,191415,191475,195579,191415,191411,191483,191411,191419,191475,256947,191411,191411,191411,191419,256947, 191411,191411,191411]));
console.log(AEq.restoreY([1362,1066,1659,2010,1912,1720,1851,1593,1799,1805,1139,1493,1141,1163,1211]));
console.log(AEq.restoreY([2, 3, 7, 19]));
console.log(AEq.restoreY());
console.log(AEq.restoreY([]));
console.log(AEq.restoreY([1372]));
console.log(AEq.restoreY([-31, 7, 7]));
console.log(AEq.restoreY([0, 0, 0]));
console.log(AEq.restoreY([1, 2, 3]));
console.log(AEq.restoreY([7, 31, 7]));
console.log(AEq.restoreY([100, 31, 7]));
console.log(AEq.restoreY([9, 1, 21]));
console.log(AEq.restoreY([-9, -1, -21]));

const appDiv: HTMLElement = document.getElementById('app');

let HTML: string = '';

HTML += '<p> >> ' + AEq.restoreY([1, 3, 5]) + '</p>';
HTML += '<p> >> ' + AEq.restoreY([31, 7]) + '</p>';
HTML += '<p> >> ' + AEq.restoreY([31, 7, 7]) + '</p>';
HTML += '<p> >> ' + AEq.restoreY([1,0,0,1,0,1,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,1,0,1,1,0,0,0,1]) + '</p>';
HTML += '<p> >> ' + AEq.restoreY([191411,256951,191411,191411,191411,256951,195507,191411,192435,191411,191411,195511,191419,191411,256947,191415,191475,195579,191415,191411,191483,191411,191419,191475,256947,191411,191411,191411,191419,256947, 191411,191411,191411]) + '</p>';
HTML += '<p> >> ' + AEq.restoreY([1362,1066,1659,2010,1912,1720,1851,1593,1799,1805,1139,1493,1141,1163,1211]) + '</p>';
HTML += '<p> >> ' + AEq.restoreY([2, 3, 7, 19]) + '</p>';
HTML += '<p> >> ' + AEq.restoreY() + '</p>';
HTML += '<p> >> ' + AEq.restoreY([]) + '</p>';
HTML += '<p> >> ' + AEq.restoreY([1372]) + '</p>';
HTML += '<p> >> ' + AEq.restoreY([-31, 7, 7]) + '</p>';
HTML += '<p> >> ' + AEq.restoreY([0, 0, 0]) + '</p>';
HTML += '<p> >> ' + AEq.restoreY([1, 2, 3]) + '</p>';
HTML += '<p> >> ' + AEq.restoreY([7, 31, 7]) + '</p>';
HTML += '<p> >> ' + AEq.restoreY([100, 31, 7]) + '</p>';
HTML += '<p> >> ' + AEq.restoreY([9, 1, 21]) + '</p>';
HTML += '<p> >> ' + AEq.restoreY([-9, -1, -21]) + '</p>';

appDiv.innerHTML = HTML;

TO TEST THE CODE, CLICK TO THE NEXT StackBlitz LINK

• Show code in this page: https://stackblitz.com/edit/and-equation.
• Running code in this page: https://and-equation.stackblitz.io.