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# Archery Tournament 02 Mid

a guest Feb 27th, 2020 110 Never
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1. function solve(input = []){
2.     let points = 0;
3.     let fields = Array.from(input.shift().split('|'), Number);
4.     for(let i = 0; i < input.length; i++){
5.         if(input[i]  == 'Reverse')
6.             fields = fields.reverse();
7.         else if(input[i] == 'Game over')
8.             break;
9.         else {
10.             let [command, beginIndex, positions] = input[i].split('@');
11.             beginIndex = +beginIndex;
12.             positions = +positions;
13.             if(beginIndex >= 0 && beginIndex < fields.length){
14.                 let index;
15.                 if(command.includes('Left') && positions > 0 ||
16.                 command.includes('Right') && positions < 0){ // moves left
17.                     index = beginIndex - Math.abs(positions);
18.                     while(index < 0) index+=fields.length;
19.                     //console.log(index);
20.                 }
21.                 else{ // moves right
22.                     index = beginIndex + Math.abs(positions);
23.                     while(index > fields.length) index-=fields.length;
24.                     //console.log(index);
25.                 }
26.                 if(fields[index] > 5){
27.                     fields[index] -= 5;
28.                     points += 5;
29.                 }
30.                 else{
31.                     points += fields[index];
32.                     fields[index] = 0;
33.                 }
34.             }
35.         }
36.     }
37.     console.log(fields.join(' - '));
38.     console.log(`Iskren finished the archery tournament with \${points} points!`);
39. }
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