day6/day6-ts.ts

@@ -1,58 +0,0 @@
-type Race = {
-  time: number;
-  distance: number;
-};
-const races: Race[] = [];
-
-// const input = `Time:        47     70     75     66
-// Distance:   282   1079   1147   1062`.split("\n");
-
-const input = `Time:        47707566
-Distance:   282107911471062`.split("\n");
-
-// parse input
-const [t, ...rtimes] = input[0].split(" ");
-const times = rtimes.filter((o) => o !== "").map((o) => Number(o));
-const [d, ...rdist] = input[1].split(" ");
-const dist = rdist.filter((o) => o !== "").map((o) => Number(o));
-
-for (let i = 0; i < times.length; i++) {
-  races.push({ time: times[i], distance: dist[i] });
-}
-console.log(races);
-
-function getSpeed(race: Race, holdTime: number): number {
-  return (race.time - holdTime) * holdTime;
-}
-
-const counts: number[] = [];
-
-for (const race of races) {
-  let from = 1;
-  let to = 1;
-  for (let i = 0; i < race.time; i++) {
-    if (getSpeed(race, i) > race.distance) {
-      from = i;
-      break;
-    }
-  }
-  for (let i = race.time; i >= 0; i--) {
-    if (getSpeed(race, i) > race.distance) {
-      to = i;
-      break;
-    }
-  }
-  counts.push(to - from + 1);
-
-}
-
-let mul = 1;
-for (const count of counts) {
-  mul *= count;
-}
-console.log(mul);
-
-// console.log(getSpeed(races[0], 2));
-// console.log(getSpeed(races[0], 3));
-// console.log(getSpeed(races[0], 4));
-// console.log(getSpeed(races[0], 5));