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[ya-day1] swimmer problem 1

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This commit is contained in:
Vasily Guzov
2024-10-27 22:03:48 +03:00
parent 643d42c748
commit 27cdd51869
1 changed files with 9 additions and 51 deletions
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lib/toGetClosestPoint/toGetClosestPoint.ts
+9 -51
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@@ -7,60 +7,18 @@ export function toGetClosestPoint(
sx: number, sx: number,
sy: number, sy: number,
) { ) {
let direction: Direction = "N"; let direction: Direction = "" as Direction;
const sectors: Record<Direction, number[]> = { if (sx >= x1 && sx <= x2 && sy >= y2) direction = "N";
NW: [x1, y2], if (sx >= x2 && sy <= y2 && sy >= y1) direction = "E";
N: [x1, y2], if (sx >= x1 && sx <= x2 && sy <= y1) direction = "S";
NE: [x2, y2], if (sx <= x1 && sy <= y2 && sy >= y1) direction = "W";
E: [x2, y2],
SE: [x2, y1],
S: [x1, y1],
SW: [x1, y1],
W: [x1, y2],
};
for (let key in sectors) { if (sx <= x1 && sy >= y2) direction = "NW";
const [x, y] = sectors[key]; if (sx >= x2 && sy >= y2) direction = "NE";
if (sx <= x && sy >= y) { if (sx <= x1 && sy <= y1) direction = "SW";
direction = "NW"; if (sx >= x2 && sy <= y1) direction = "SE";
break;
}
if (sx >= x && sy > y && sx <= x2) {
direction = "N";
break;
}
if (sx >= x && sy >= y) {
direction = "NE";
break;
}
if (sx >= x && sy <= y && sy >= y1) {
direction = "E";
break;
}
if (sx >= x && sy <= y && sx <= x2) {
direction = "S";
break;
}
if (sx >= x && sy <= y) {
direction = "SE";
break;
}
if (sy <= y && sx <= x) {
direction = "SW";
break;
}
if (sy <= y2 && sy >= y1 && sx <= x) {
direction = "W";
break;
}
}
return direction; return direction;
} }