//import { loadFile } from "std";
//var data = loadFile("5.txt").trim();
var data = await Deno.readTextFile("5.txt");
data = data.trim();
var getnums = function(w) { return w.match(/\d+/g).map(x => Number(x)); }
var seeds = getnums(data.split('\n')[0]);
var maps = data.split('\n\n').slice(1).map(g => g.split('\n').slice(1).map(x => getnums(x)));

maps = maps.map(m => m.sort(function(a,b) {
  if (a[0] > b[0]) return 1;
  if (a[0] < b[0]) return -1;
  return 0;
}));

console.log(maps);

var loc = 0;
seeds.forEach(function(d) {
  maps.forEach(function(map) {
    var r = map.find(x => d >= x[1] && d <= x[1]+x[2]);
    if (r) d += (r[0]-r[1]);
  });
  loc = Math.min(loc,d) || d;
});

console.log(loc);

var seedpairs = [];
for (var i = 0; i < 10; i++)
  seedpairs.push([seeds[i*2], seeds[i*2+1]]);

function in_seed(d)
{
  return seedpairs.some(function(x) {
    return (d >= x[0] && d <= x[0]+x[1]);
  });
}

maps.reverse();
for (var i = 0; i >= 0; i++) {
  var d = i;
  maps.forEach(function(m) {
    var r = m.find(r => d >= r[0] && d <= r[0] + r[2]);
    if (r) d += (r[1]-r[0]);
  });
  if (in_seed(d)) {
    console.log(`location ${i}`);
    break;
  }
}