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Commitf206d2c

Browse files
authored
Improved tasks 2630-2637
1 parentbaef259 commitf206d2c

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10 files changed

+172
-143
lines changed

10 files changed

+172
-143
lines changed

‎src/main/java/g2601_2700/s2619_array_prototype_last/solution.ts

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -2,11 +2,11 @@
22

33
declare global{
44
interfaceArray<T>{
5-
last():T|-1;
5+
last():T|-1
66
}
77
}
88

9-
Array.prototype.last=function(){//NOSONAR
9+
Array.prototype.last=function(){//NOSONAR
1010
returnthis.length!==0 ?this[this.length-1] :-1
1111
}
1212

@@ -15,4 +15,4 @@ Array.prototype.last = function () {//NOSONAR
1515
* arr.last(); // 3
1616
*/
1717

18-
export{}
18+
export{}

‎src/main/java/g2601_2700/s2621_sleep/solution.ts

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,7 @@
11
// #Easy #2023_08_31_Time_40_ms_(99.59%)_Space_42.3_MB_(77.98%)
22

33
asyncfunctionsleep(millis:number):Promise<void>{
4-
awaitnewPromise(resolve=>setTimeout(resolve,millis));
4+
awaitnewPromise((resolve)=>setTimeout(resolve,millis))
55
}
66

77
/*

‎src/main/java/g2601_2700/s2630_memoize_ii/solution.ts

Lines changed: 23 additions & 26 deletions
Original file line numberDiff line numberDiff line change
@@ -3,44 +3,41 @@
33
typeFn=(...params:any)=>any
44

55
functionmemoize(fn:Fn):Fn{
6-
constcache=newMap();
6+
constcache=newMap()
77

8-
returnfunction(...args){
9-
letcurrentCache;
8+
returnfunction(...args){
9+
letcurrentCache
1010
if(cache.has(args.length)){
11-
currentCache=cache.get(args.length);
12-
}
13-
else{
14-
currentCache=newMap();
15-
cache.set(args.length,currentCache);
11+
currentCache=cache.get(args.length)
12+
}else{
13+
currentCache=newMap()
14+
cache.set(args.length,currentCache)
1615
}
1716

18-
for(leti=0,len=args.length;i<=len;i++){
19-
constarg=args[i];
20-
constisEnd=i>=len-1;
17+
for(leti=0,len=args.length;i<=len;i++){
18+
constarg=args[i]
19+
constisEnd=i>=len-1
2120

2221
if(currentCache.has(arg)){
2322
if(isEnd){
24-
returncurrentCache.get(arg);
25-
}
26-
else{
27-
currentCache=currentCache.get(arg);
23+
returncurrentCache.get(arg)
24+
}else{
25+
currentCache=currentCache.get(arg)
2826
}
29-
}
30-
elseif(isEnd){
31-
break;
27+
}elseif(isEnd){
28+
break
3229
}else{
33-
constnewSubCache=newMap();
30+
constnewSubCache=newMap()
3431

35-
currentCache.set(arg,newSubCache);
36-
currentCache=newSubCache;
32+
currentCache.set(arg,newSubCache)
33+
currentCache=newSubCache
3734
}
3835
}
3936

40-
letvalue=fn(...args);
37+
letvalue=fn(...args)
4138

42-
currentCache.set(args[args.length-1],value);
43-
returnvalue;
39+
currentCache.set(args[args.length-1],value)
40+
returnvalue
4441
}
4542
}
4643

@@ -52,7 +49,7 @@ function memoize(fn: Fn): Fn {
5249
* })
5350
* memoizedFn(2, 3) // 5
5451
* memoizedFn(2, 3) // 5
55-
* console.log(callCount) // 1
52+
* console.log(callCount) // 1
5653
*/
5754

58-
export{memoize}
55+
export{memoize}

‎src/main/java/g2601_2700/s2631_group_by/solution.ts

Lines changed: 12 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -6,21 +6,21 @@ declare global {
66
}
77
}
88

9-
Array.prototype.groupBy=function<T>(fn:(item:T)=>string){//NOSONAR
10-
constreturnObject:Record<string,T[]>={};
11-
for(constitemofthis){
12-
constkey=fn(item);
13-
if(keyinreturnObject){
14-
returnObject[key].push(item);
15-
}else{
16-
returnObject[key]=[item];
9+
Array.prototype.groupBy=function<T>(fn:(item:T)=>string){//NOSONAR
10+
constreturnObject:Record<string,T[]>={}
11+
for(constitemofthis){
12+
constkey=fn(item)
13+
if(keyinreturnObject){
14+
returnObject[key].push(item)
15+
}else{
16+
returnObject[key]=[item]
17+
}
1718
}
18-
}
19-
returnreturnObject;
20-
};
19+
returnreturnObject
20+
}
2121

2222
/*
2323
* [1,2,3].groupBy(String) // {"1":[1],"2":[2],"3":[3]}
2424
*/
2525

26-
export{}
26+
export{}

‎src/main/java/g2601_2700/s2637_promise_time_limit/solution.ts

Lines changed: 10 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -1,18 +1,17 @@
11
// #Easy #Medium #2023_08_31_Time_53_ms_(93.41%)_Space_42.7_MB_(62.71%)
22

3-
typeFn=(...params:any[])=>Promise<any>;
3+
typeFn=(...params:any[])=>Promise<any>
44

55
functiontimeLimit(fn:Fn,t:number):Fn{
6-
returnasyncfunction(...args:any[]):Promise<any>{
7-
constfns=fn(...args);
8-
consttimeLimitPromise=newPromise((_,reject)=>{
9-
setTimeout(()=>{
10-
reject(newError('Time Limit Exceeded'));
11-
},t);
12-
});
13-
14-
returnPromise.race([fns,timeLimitPromise]);
15-
};
6+
returnasyncfunction(...args:any[]):Promise<any>{
7+
constfns=fn(...args)
8+
consttimeLimitPromise=newPromise((_,reject)=>{
9+
setTimeout(()=>{
10+
reject(newError('Time Limit Exceeded'))
11+
},t)
12+
})
13+
returnPromise.race([fns,timeLimitPromise])
14+
}
1615
}
1716

1817
/*

‎src/test/java/g2601_2700/s2630_memoize_ii/solution.test.ts

Lines changed: 36 additions & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -3,34 +3,55 @@ import { memoize } from 'src/main/java/g2601_2700/s2630_memoize_ii/solution'
33
import{expect,test}from'vitest'
44

55
test('memoize',()=>{
6-
letgetInputs=()=>[[2,2],[2,2],[1,2]]
7-
letresults=[4,4,3]
8-
letfn=function(a,b){returna+b;}
6+
letgetInputs=()=>[
7+
[2,2],
8+
[2,2],
9+
[1,2],
10+
]
11+
letresults=[4,4,3]
12+
letfn=function(a,b){
13+
returna+b
14+
}
915
letmemorized=memoize(fn)
1016
letinputs=getInputs()
11-
for(leti=0;i<inputs.length;i++){
12-
expect(memorized(...inputs[i])).toEqual(results[i])
17+
for(leti=0;i<inputs.length;i++){
18+
expect(memorized(...inputs[i])).toEqual(results[i])
1319
}
1420
})
1521

1622
test('memoize2',()=>{
17-
letgetInputs=()=>[[{},{}],[{},{}],[{},{}]]
18-
letresults=[{},{},{}]
19-
letfn=function(a,b){return({...a, ...b});}
23+
letgetInputs=()=>[
24+
[{},{}],
25+
[{},{}],
26+
[{},{}],
27+
]
28+
letresults=[{},{},{}]
29+
letfn=function(a,b){
30+
return{ ...a, ...b}
31+
}
2032
letmemorized=memoize(fn)
2133
letinputs=getInputs()
22-
for(leti=0;i<inputs.length;i++){
23-
expect(memorized(...inputs[i])).toEqual(results[i])
34+
for(leti=0;i<inputs.length;i++){
35+
expect(memorized(...inputs[i])).toEqual(results[i])
2436
}
2537
})
2638

2739
test('memoize3',()=>{
28-
letgetInputs=()=>{consto={};return[[o,o],[o,o],[o,o]];}
29-
letresults=[{},{},{}]
30-
letfn=function(a,b){return({...a, ...b});}
40+
letgetInputs=()=>{
41+
consto={}
42+
return[
43+
[o,o],
44+
[o,o],
45+
[o,o],
46+
]
47+
}
48+
letresults=[{},{},{}]
49+
letfn=function(a,b){
50+
return{ ...a, ...b}
51+
}
3152
letmemorized=memoize(fn)
3253
letinputs=getInputs()
33-
for(leti=0;i<inputs.length;i++){
34-
expect(memorized(...inputs[i])).toEqual(results[i])
54+
for(leti=0;i<inputs.length;i++){
55+
expect(memorized(...inputs[i])).toEqual(results[i])
3556
}
3657
})

‎src/test/java/g2601_2700/s2631_group_by/solution.test.ts

Lines changed: 23 additions & 23 deletions
Original file line numberDiff line numberDiff line change
@@ -4,43 +4,43 @@ import { expect, test } from 'vitest'
44

55
test('groupBy',()=>{
66
letfn=function(item){
7-
returnitem.id;
8-
}
9-
letarray=[
10-
{"id":"1"},
11-
{"id":"1"},
12-
{"id":"2"}
13-
].groupBy(fn)
7+
returnitem.id
8+
}
9+
letarray=[{id:'1'},{id:'1'},{id:'2'}].groupBy(fn)
1410
letresult={
15-
"1":[{"id":"1"},{"id":"1"}],
16-
"2":[{"id":"2"}]
17-
}
11+
'1':[{id:'1'},{id:'1'}],
12+
'2':[{id:'2'}],
13+
}
1814
expect(array).toEqual(result)
1915
})
2016

2117
test('groupBy2',()=>{
2218
letfn=function(list){
23-
returnString(list[0]);
24-
}
19+
returnString(list[0])
20+
}
2521
letarray=[
26-
[1,2,3],
27-
[1,3,5],
28-
[1,5,9]
29-
].groupBy(fn)
22+
[1,2,3],
23+
[1,3,5],
24+
[1,5,9],
25+
].groupBy(fn)
3026
letresult={
31-
"1":[[1,2,3],[1,3,5],[1,5,9]]
32-
}
27+
'1':[
28+
[1,2,3],
29+
[1,3,5],
30+
[1,5,9],
31+
],
32+
}
3333
expect(array).toEqual(result)
3434
})
3535

3636
test('groupBy3',()=>{
3737
letfn=function(n){
38-
returnString(n>5);
39-
}
38+
returnString(n>5)
39+
}
4040
letarray=[1,2,3,4,5,6,7,8,9,10].groupBy(fn)
4141
letresult={
42-
"true":[6,7,8,9,10],
43-
"false":[1,2,3,4,5]
44-
}
42+
true:[6,7,8,9,10],
43+
false:[1,2,3,4,5],
44+
}
4545
expect(array).toEqual(result)
4646
})

‎src/test/java/g2601_2700/s2634_filter_elements_from_array/solution.test.ts

Lines changed: 15 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -3,19 +3,25 @@ import { filter } from 'src/main/java/g2601_2700/s2634_filter_elements_from_arra
33
import{expect,test}from'vitest'
44

55
test('filter',()=>{
6-
letarr=[0,10,20,30]
7-
letfn=functiongreaterThan10(n){returnn>10;}
8-
expect(filter(arr,fn)).toEqual([20,30])
6+
letarr=[0,10,20,30]
7+
letfn=functiongreaterThan10(n){
8+
returnn>10
9+
}
10+
expect(filter(arr,fn)).toEqual([20,30])
911
})
1012

1113
test('filter2',()=>{
12-
letarr=[-2,-1,0,1,2]
13-
letfn=functionplusOne(n){returnn+1}
14-
expect(filter(arr,fn)).toEqual([-2,0,1,2])
14+
letarr=[-2,-1,0,1,2]
15+
letfn=functionplusOne(n){
16+
returnn+1
17+
}
18+
expect(filter(arr,fn)).toEqual([-2,0,1,2])
1519
})
1620

1721
test('filter3',()=>{
18-
letarr=[1,2,3]
19-
letfn=functionfirstIndex(n,i){returni===0;}
20-
expect(filter(arr,fn)).toEqual([1])
22+
letarr=[1,2,3]
23+
letfn=functionfirstIndex(n,i){
24+
returni===0
25+
}
26+
expect(filter(arr,fn)).toEqual([1])
2127
})

‎src/test/java/g2601_2700/s2635_apply_transform_over_each_element_in_array/solution.test.ts

Lines changed: 15 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -3,19 +3,25 @@ import { map } from 'src/main/java/g2601_2700/s2635_apply_transform_over_each_el
33
import{expect,test}from'vitest'
44

55
test('map',()=>{
6-
letarr=[1,2,3]
7-
letfn=functionplusone(n){returnn+1;}
8-
expect(map(arr,fn)).toEqual([2,3,4])
6+
letarr=[1,2,3]
7+
letfn=functionplusone(n){
8+
returnn+1
9+
}
10+
expect(map(arr,fn)).toEqual([2,3,4])
911
})
1012

1113
test('map2',()=>{
12-
letarr=[1,2,3]
13-
letfn=functionplusI(n,i){returnn+i;}
14-
expect(map(arr,fn)).toEqual([1,3,5])
14+
letarr=[1,2,3]
15+
letfn=functionplusI(n,i){
16+
returnn+i
17+
}
18+
expect(map(arr,fn)).toEqual([1,3,5])
1519
})
1620

1721
test('map3',()=>{
18-
letarr=[10,20,30]
19-
letfn=functionconstant(){return42;}
20-
expect(map(arr,fn)).toEqual([42,42,42])
22+
letarr=[10,20,30]
23+
letfn=functionconstant(){
24+
return42
25+
}
26+
expect(map(arr,fn)).toEqual([42,42,42])
2127
})

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