adventofcode-day2.2.js

var expect = require("chai").expect;

var challangearray = [1,0,0,3,1,1,2,3,1,3,4,3,1,5,0,3,2,10,1,19,1,19,9,23,1,23,13,27,1,10,27,31,2,31,13,35,1,10,35,39,2,9,39,43,2,43,9,47,1,6,47,51,1,10,51,55,2,55,13,59,1,59,10,63,2,63,13,67,2,67,9,71,1,6,71,75,2,75,9,79,1,79,5,83,2,83,13,87,1,9,87,91,1,13,91,95,1,2,95,99,1,99,6,0,99,2,14,0,0];
var target = 19690720;

function printToConsole(array) {
  for (i = 0; i < array.length; i++) {
    console.log(`Index: ${i} - Value: ${array[i]}`);
  }
}

function processor2(array) {
  index = 0
  while (index < array.length) {
    // console.log(`index: `, index, `switch: `, array[index])
    switch (array[index]) {
      case 1:
        // console.log(`add: `, array[array[index + 1]], array[array[index + 2]], array[index + 3], `val:`, (array[array[index + 1]] + array[array[index + 2]]));
        array[array[index + 3]] = array[array[index + 1]] + array[array[index + 2]];
        index = index + 4
        break;
      case 2:
        // console.log(`mul: `, array[array[index + 1]], array[array[index + 2]], array[index + 3], `val: `, (array[array[index + 1]] * array[array[index + 2]]));
        array[array[index + 3]] = array[array[index + 1]] * array[array[index + 2]];
        index = index + 4
        break;
      case 99:
        index = array.length
        break;
      default:
        index = index+1;
    }
  }
}

function pairfinder(){
  // pairarray = challangearray.slice();
// while(pairarray[0] != target){
  for(noun=0; noun<=99; noun++){
    // noun=0;
    for(verb=0; verb<=99; verb++){
      pairarray = challangearray.slice();
      pairarray[1]=noun;
      pairarray[2]=verb;
      // console.log(pairarray)
      processor2(pairarray);
      // console.log(`noun: `, noun, `verb: `, verb, `result: `, pairarray[0])
      if (pairarray[0] === target){
        console.log(`noun: `, noun, `verb: `, verb, `result: `, pairarray[0])
      }
    }
  }
}
// }


pairfinder();
// printToConsole(challangearray);

// describe("Process Operation", function() {
//     it("basic program 1", function() {
//       var testarray = [1, 0, 0, 0, 99];
//       var expectedarray = [2,0,0,0,99];
//       processor2(testarray);
//       expect(expectedarray).to.eql(testarray);
//     });

//     it("basic program 2", function() {
//       var testarray = [2, 3, 0, 3, 99];
//       var expectedarray = [2,3,0,6,99];
//       processor2(testarray);
//       expect(expectedarray).to.eql(testarray);
//     });

//     it("basic program 3", function() {
//       var testarray = [2, 4, 4, 5, 99, 0];
//       var expectedarray = [2,4,4,5,99,9801];
//       processor2(testarray);
//       expect(expectedarray).to.eql(testarray);
//     });

  //   it("basic program 4", function() {
  //     var testarray = [1, 1, 1, 4, 99, 5, 6, 0, 99];
  //     var expectedarray = [30,1,1,4,2,5,6,0,99];
  //     processor2(testarray);
  //     expect(expectedarray).to.eql(testarray);
  //   });

  //   it("basic program 5", function() {
  //     var testarray = [1,9,10,3,2,3,11,0,99,30,40,50];
  //     var expectedarray = [3500,9,10,70,2,3,11,0,99,30,40,50];
  //     processor2(testarray);
  //     expect(expectedarray).to.eql(testarray);
  //   });
    
  // });