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feat: add js solution to lc problem: No.2751 #3313

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Merged
yanglbme merged 2 commits into doocs:main from rain84:feature/lc-2751
Sep 3, 2024
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88 changes: 88 additions & 0 deletions solution/2700-2799/2751.Robot Collisions/README.md
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -272,6 +272,94 @@ func survivedRobotsHealths(positions []int, healths []int, directions string) []
}
```

#### TypeScript

```ts
function survivedRobotsHealths(
positions: number[],
healths: number[],
directions: string,
): number[] {
const idx = Array.from({ length: positions.length }, (_, i) => i);
const stk: number[] = [];

idx.sort((a, b) => positions[a] - positions[b]);

for (let iRight of idx) {
while (stk.length) {
const iLeft = stk.at(-1)!;
const havePair = directions[iLeft] === 'R' && directions[iRight] === 'L';
if (!havePair) break;

if (healths[iLeft] === healths[iRight]) {
healths[iLeft] = healths[iRight] = iRight = -1;
stk.pop();
break;
}

if (healths[iLeft] < healths[iRight]) {
healths[iLeft] = -1;
healths[iRight]--;
stk.pop();
} else {
healths[iRight] = iRight = -1;
healths[iLeft]--;
break;
}
}

if (iRight !== -1) stk.push(iRight);
}

return healths.filter(i => ~i);
}
```

#### JavaScript

```js
/**
* @param {number[]} positions
* @param {number[]} healths
* @param {string} directions
* @return {number[]}
*/
var survivedRobotsHealths = function (positions, healths, directions) {
const idx = Array.from({ length: positions.length }, (_, i) => i);
const stk = [];

idx.sort((a, b) => positions[a] - positions[b]);

for (let iRight of idx) {
while (stk.length) {
const iLeft = stk.at(-1);
const havePair = directions[iLeft] === 'R' && directions[iRight] === 'L';
if (!havePair) break;

if (healths[iLeft] === healths[iRight]) {
healths[iLeft] = healths[iRight] = iRight = -1;
stk.pop();
break;
}

if (healths[iLeft] < healths[iRight]) {
healths[iLeft] = -1;
healths[iRight]--;
stk.pop();
} else {
healths[iRight] = iRight = -1;
healths[iLeft]--;
break;
}
}

if (iRight !== -1) stk.push(iRight);
}

return healths.filter(i => ~i);
};
```

<!-- tabs:end -->

<!-- solution:end -->
Expand Down
88 changes: 88 additions & 0 deletions solution/2700-2799/2751.Robot Collisions/README_EN.md
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -272,6 +272,94 @@ func survivedRobotsHealths(positions []int, healths []int, directions string) []
}
```

#### TypeScript

```ts
function survivedRobotsHealths(
positions: number[],
healths: number[],
directions: string,
): number[] {
const idx = Array.from({ length: positions.length }, (_, i) => i);
const stk: number[] = [];

idx.sort((a, b) => positions[a] - positions[b]);

for (let iRight of idx) {
while (stk.length) {
const iLeft = stk.at(-1)!;
const havePair = directions[iLeft] === 'R' && directions[iRight] === 'L';
if (!havePair) break;

if (healths[iLeft] === healths[iRight]) {
healths[iLeft] = healths[iRight] = iRight = -1;
stk.pop();
break;
}

if (healths[iLeft] < healths[iRight]) {
healths[iLeft] = -1;
healths[iRight]--;
stk.pop();
} else {
healths[iRight] = iRight = -1;
healths[iLeft]--;
break;
}
}

if (iRight !== -1) stk.push(iRight);
}

return healths.filter(i => ~i);
}
```

#### JavaScript

```js
/**
* @param {number[]} positions
* @param {number[]} healths
* @param {string} directions
* @return {number[]}
*/
var survivedRobotsHealths = function (positions, healths, directions) {
const idx = Array.from({ length: positions.length }, (_, i) => i);
const stk = [];

idx.sort((a, b) => positions[a] - positions[b]);

for (let iRight of idx) {
while (stk.length) {
const iLeft = stk.at(-1);
const havePair = directions[iLeft] === 'R' && directions[iRight] === 'L';
if (!havePair) break;

if (healths[iLeft] === healths[iRight]) {
healths[iLeft] = healths[iRight] = iRight = -1;
stk.pop();
break;
}

if (healths[iLeft] < healths[iRight]) {
healths[iLeft] = -1;
healths[iRight]--;
stk.pop();
} else {
healths[iRight] = iRight = -1;
healths[iLeft]--;
break;
}
}

if (iRight !== -1) stk.push(iRight);
}

return healths.filter(i => ~i);
};
```

<!-- tabs:end -->

<!-- solution:end -->
Expand Down
40 changes: 40 additions & 0 deletions solution/2700-2799/2751.Robot Collisions/Solution.js
View file Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,40 @@
/**
* @param {number[]} positions
* @param {number[]} healths
* @param {string} directions
* @return {number[]}
*/
var survivedRobotsHealths = function (positions, healths, directions) {
const idx = Array.from({ length: positions.length }, (_, i) => i);
const stk = [];

idx.sort((a, b) => positions[a] - positions[b]);

for (let iRight of idx) {
while (stk.length) {
const iLeft = stk.at(-1);
const havePair = directions[iLeft] === 'R' && directions[iRight] === 'L';
if (!havePair) break;

if (healths[iLeft] === healths[iRight]) {
healths[iLeft] = healths[iRight] = iRight = -1;
stk.pop();
break;
}

if (healths[iLeft] < healths[iRight]) {
healths[iLeft] = -1;
healths[iRight]--;
stk.pop();
} else {
healths[iRight] = iRight = -1;
healths[iLeft]--;
break;
}
}

if (iRight !== -1) stk.push(iRight);
}

return healths.filter(i => ~i);
};
38 changes: 38 additions & 0 deletions solution/2700-2799/2751.Robot Collisions/Solution.ts
View file Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,38 @@
function survivedRobotsHealths(
positions: number[],
healths: number[],
directions: string,
): number[] {
const idx = Array.from({ length: positions.length }, (_, i) => i);
const stk: number[] = [];

idx.sort((a, b) => positions[a] - positions[b]);

for (let iRight of idx) {
while (stk.length) {
const iLeft = stk.at(-1)!;
const havePair = directions[iLeft] === 'R' && directions[iRight] === 'L';
if (!havePair) break;

if (healths[iLeft] === healths[iRight]) {
healths[iLeft] = healths[iRight] = iRight = -1;
stk.pop();
break;
}

if (healths[iLeft] < healths[iRight]) {
healths[iLeft] = -1;
healths[iRight]--;
stk.pop();
} else {
healths[iRight] = iRight = -1;
healths[iLeft]--;
break;
}
}

if (iRight !== -1) stk.push(iRight);
}

return healths.filter(i => ~i);
}

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