day5.html

<html>
  <body>
    YO
    <script>
      const input = [
        1,
        2,
        0,
        0,
        0,
        2,
        -2,
        -2,
        -3,
        -3,
        -7,
        0,
        -1,
        0,
        -10,
        -8,
        -12,
        -8,
        -3,
        -6,
        0,
        0,
        -18,
        -17,
        -11,
        -18,
        1,
        -7,
        -10,
        -4,
        -18,
        -8,
        -26,
        -15,
        -24,
        0,
        -8,
        -17,
        -15,
        -24,
        -7,
        -21,
        -15,
        -19,
        -30,
        -40,
        -44,
        -23,
        -3,
        -25,
        2,
        -31,
        -20,
        -45,
        -51,
        -50,
        -34,
        -4,
        -33,
        -41,
        0,
        -49,
        -43,
        0,
        -62,
        1,
        1,
        -32,
        -50,
        -22,
        -10,
        -60,
        -13,
        -46,
        -57,
        -40,
        -28,
        -33,
        -34,
        -13,
        -40,
        -5,
        -49,
        -17,
        -25,
        -71,
        -5,
        -16,
        -23,
        -58,
        -69,
        -22,
        -28,
        -84,
        -70,
        -71,
        -73,
        -87,
        -8,
        -11,
        -99,
        -65,
        -27,
        -32,
        -48,
        -87,
        -96,
        1,
        -58,
        -101,
        -94,
        2,
        -52,
        -34,
        -22,
        2,
        -25,
        -7,
        -36,
        -66,
        -84,
        -100,
        -45,
        -65,
        -69,
        -52,
        -5,
        -4,
        -93,
        -100,
        -7,
        -13,
        -50,
        -87,
        -87,
        -4,
        -119,
        -25,
        1,
        -41,
        -58,
        -24,
        -12,
        -15,
        -39,
        -140,
        -40,
        -136,
        -88,
        -141,
        -112,
        -43,
        -68,
        -67,
        -128,
        -23,
        -24,
        -90,
        -56,
        -71,
        -146,
        -46,
        -41,
        -76,
        -54,
        -38,
        -144,
        -53,
        -1,
        -97,
        0,
        0,
        -70,
        -60,
        -171,
        -12,
        -97,
        -147,
        -21,
        -174,
        -108,
        -101,
        -91,
        -56,
        -76,
        -13,
        -177,
        -1,
        -40,
        -2,
        -177,
        -136,
        -168,
        -126,
        -5,
        -175,
        -177,
        -144,
        -104,
        -174,
        -4,
        -172,
        -114,
        -69,
        -18,
        -24,
        -157,
        -47,
        -110,
        -6,
        -155,
        -79,
        -157,
        -93,
        -93,
        -114,
        -77,
        -148,
        -32,
        -100,
        -192,
        -144,
        -123,
        -192,
        -65,
        -220,
        -143,
        -1,
        -40,
        -149,
        -69,
        -230,
        -202,
        -69,
        -52,
        -112,
        -175,
        -72,
        -69,
        -168,
        -198,
        -181,
        -156,
        -37,
        -179,
        -168,
        -81,
        -51,
        -205,
        -2,
        -104,
        -25,
        -199,
        -83,
        -176,
        -115,
        -174,
        -204,
        -207,
        -127,
        -161,
        -219,
        -27,
        -107,
        -160,
        -141,
        -34,
        -39,
        -182,
        -46,
        -41,
        -90,
        -267,
        -234,
        -48,
        -72,
        -49,
        -110,
        -266,
        -167,
        -194,
        -124,
        -183,
        -184,
        -108,
        -49,
        -130,
        -166,
        -198,
        -87,
        -196,
        -183,
        -275,
        -130,
        -275,
        -39,
        -70,
        -143,
        -257,
        -22,
        -53,
        -12,
        -93,
        -30,
        -141,
        -32,
        -239,
        -284,
        -186,
        -211,
        -160,
        -145,
        -21,
        -167,
        -258,
        -67,
        -56,
        -262,
        -272,
        -19,
        -194,
        -244,
        -95,
        -261,
        -27,
        -109,
        -271,
        -7,
        -146,
        -328,
        -266,
        -207,
        -76,
        -204,
        -273,
        -177,
        -159,
        -68,
        -231,
        -215,
        -75,
        -264,
        -27,
        -342,
        -298,
        -338,
        -178,
        -268,
        -303,
        -78,
        -283,
        -149,
        -147,
        -209,
        -146,
        -147,
        -282,
        -131,
        -204,
        -129,
        -319,
        -166,
        -256,
        -114,
        -267,
        -211,
        -15,
        -194,
        -53,
        -114,
        -236,
        -127,
        -33,
        -316,
        -123,
        -180,
        -234,
        -131,
        -107,
        -21,
        -209,
        -174,
        -174,
        -24,
        -1,
        -281,
        -367,
        -251,
        -42,
        -17,
        -158,
        -33,
        -181,
        -26,
        -286,
        -235,
        -262,
        -1,
        -374,
        -121,
        -253,
        -215,
        -19,
        -114,
        -8,
        -372,
        -89,
        -185,
        -50,
        -71,
        -130,
        -248,
        -274,
        -9,
        -99,
        -66,
        -402,
        -256,
        -294,
        -313,
        -256,
        -36,
        -229,
        -64,
        -47,
        -32,
        -259,
        -178,
        -278,
        -416,
        -334,
        -286,
        -229,
        -377,
        -50,
        -424,
        -359,
        -182,
        -41,
        -270,
        -96,
        -372,
        -1,
        -100,
        -45,
        -88,
        -111,
        -373,
        -247,
        -185,
        -356,
        -66,
        -246,
        -157,
        -326,
        -196,
        -258,
        -325,
        -218,
        -43,
        -224,
        -429,
        -461,
        -159,
        -101,
        -21,
        -187,
        -416,
        -154,
        -416,
        -311,
        -54,
        -189,
        -379,
        -375,
        -300,
        0,
        -405,
        -170,
        -478,
        -119,
        -451,
        -121,
        -30,
        -304,
        -320,
        -218,
        -369,
        -294,
        -41,
        -328,
        -482,
        -42,
        -200,
        -254,
        -409,
        -260,
        -447,
        -196,
        -156,
        -394,
        -142,
        -180,
        -376,
        -316,
        -323,
        -455,
        -262,
        -360,
        -143,
        -318,
        -242,
        -226,
        -382,
        -211,
        -493,
        -443,
        -14,
        -231,
        -304,
        -168,
        -396,
        -100,
        -201,
        -187,
        -209,
        -49,
        -45,
        -150,
        -309,
        -275,
        -449,
        -523,
        -260,
        -366,
        -222,
        -483,
        -234,
        -209,
        -398,
        -247,
        -343,
        -266,
        -456,
        -396,
        -528,
        -232,
        -241,
        -482,
        -417,
        -362,
        -406,
        -503,
        -164,
        -146,
        -198,
        -285,
        -23,
        -133,
        -506,
        -159,
        -203,
        -70,
        -35,
        -410,
        -209,
        -482,
        -304,
        -45,
        -550,
        -27,
        -6,
        -117,
        -121,
        -143,
        -265,
        -196,
        -179,
        -334,
        -77,
        -253,
        -526,
        -276,
        -437,
        -212,
        -276,
        -253,
        -414,
        -192,
        -48,
        -53,
        -28,
        -24,
        -139,
        -554,
        -534,
        -82,
        -35,
        -237,
        -447,
        -274,
        -125,
        -377,
        -404,
        -101,
        -241,
        -166,
        -192,
        -120,
        -469,
        -461,
        -534,
        -222,
        -409,
        -363,
        -211,
        -477,
        -300,
        -491,
        -506,
        -512,
        -344,
        -554,
        -31,
        -617,
        -49,
        -268,
        -63,
        -143,
        -512,
        -115,
        -299,
        -344,
        -453,
        -573,
        -590,
        -330,
        -342,
        -347,
        -3,
        -46,
        -344,
        -423,
        -561,
        -411,
        -95,
        -9,
        -323,
        -354,
        -523,
        -523,
        -526,
        -573,
        -162,
        -281,
        -578,
        -326,
        -475,
        -506,
        -319,
        -190,
        -15,
        -193,
        -586,
        -430,
        -166,
        -72,
        -160,
        -530,
        -233,
        -626,
        -345,
        -253,
        -413,
        -152,
        -217,
        -672,
        -675,
        -498,
        -417,
        -104,
        -25,
        -114,
        -283,
        -187,
        -314,
        -51,
        -88,
        -217,
        -311,
        -408,
        -148,
        -420,
        -615,
        -221,
        -454,
        -461,
        -213,
        -131,
        -115,
        -326,
        -244,
        -561,
        -133,
        -50,
        -434,
        -544,
        -616,
        -418,
        -302,
        -366,
        -202,
        -624,
        -302,
        -241,
        -158,
        -494,
        -321,
        -555,
        -136,
        -601,
        -363,
        -246,
        -630,
        -705,
        -121,
        -427,
        -91,
        -453,
        -664,
        -271,
        -210,
        -155,
        -573,
        -232,
        -349,
        -152,
        -208,
        -233,
        -395,
        -185,
        -121,
        -291,
        -149,
        -11,
        -263,
        -55,
        -488,
        -78,
        -155,
        -447,
        -667,
        -556,
        -730,
        -406,
        -454,
        -382,
        -496,
        -568,
        -235,
        -374,
        -200,
        -475,
        -513,
        -275,
        -423,
        -95,
        -643,
        -434,
        -144,
        -527,
        -418,
        -577,
        -564,
        -211,
        -485,
        -122,
        -387,
        -484,
        -212,
        -129,
        -763,
        -268,
        -83,
        -428,
        -518,
        -394,
        -784,
        -223,
        -549,
        -232,
        -175,
        -566,
        -569,
        -329,
        -300,
        -3,
        -563,
        -571,
        -369,
        -753,
        -111,
        -609,
        -461,
        -514,
        -514,
        -174,
        -800,
        -702,
        -808,
        -780,
        -708,
        -774,
        -811,
        -518,
        -741,
        -404,
        -364,
        -48,
        -74,
        -228,
        -333,
        -380,
        -90,
        -813,
        -457,
        -275,
        -414,
        -281,
        -723,
        -101,
        -123,
        -438,
        -657,
        -406,
        -779,
        -161,
        -825,
        -715,
        -79,
        -358,
        -183,
        -554,
        -716,
        -596,
        -56,
        -39,
        -505,
        -268,
        -425,
        -609,
        -69,
        -92,
        -7,
        -44,
        -10,
        -681,
        -86,
        -30,
        -225,
        -551,
        -213,
        -335,
        -829,
        -817,
        -804,
        -74,
        -109,
        -732,
        -781,
        -401,
        -370,
        -40,
        -526,
        -694,
        -336,
        -859,
        -294,
        -682,
        -264,
        -325,
        -27,
        -679,
        -135,
        -82,
        -711,
        -570,
        -159,
        -179,
        -604,
        -41,
        -580,
        -403,
        -540,
        -262,
        -69,
        -329,
        -5,
        -879,
        -345,
        -632,
        -367,
        -183,
        -38,
        -80,
        -63,
        -448,
        -832,
        -656,
        -774,
        -292,
        -474,
        -596,
        -862,
        -842,
        -16,
        -107,
        -243,
        -647,
        -782,
        -336,
        -785,
        -816,
        -78,
        -416,
        -712,
        -810,
        -389,
        -264,
        -304,
        -847,
        -520,
        -619,
        -161,
        1,
        -584,
        -719,
        -486,
        -516,
        -360,
        -747,
        -363,
        -672,
        -134,
        -177,
        -894,
        -778,
        -582,
        -766,
        -769,
        -114,
        -843,
        -287,
        -493,
        -30,
        -620,
        -467,
        -141,
        -206,
        -437,
        -367,
        -426,
        -799,
        -943,
        -508,
        -594,
        -545,
        -61,
        -829,
        -844,
        -589,
        -775,
        -409,
        -28,
        -726,
        -452,
        -261,
        -613,
        -106,
        -441,
        -496,
        -643,
        -606,
        -742,
        -408,
        -321,
        -260,
        -333,
        -328,
        -751,
        -21,
        -768,
        -36,
        -265,
        -936,
        -697,
        -702,
        -924,
        -89,
        -215,
        -896,
        -216,
        -477
      ]

      // const input = [0,
      //               3,
      //               0,
      //               1,
      //               -3]

      let steps = 0
      let index = 0

      oneStep = (input, steps, index) => {
        while (input[index] != null){

          newIndex = input[index]
          // first part
          // input[index] += 1
          // second part
          newIndex >= 3 ? input[index] -= 1 : input[index] += 1
          index += newIndex
          steps += 1
          // console.log({steps, index, input})
        }
        console.log(steps)
      }

      oneStep(input,steps, index)

    </script>
  </body>
</html>