https://www.hackerrank.com/challenges/candies/problem
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| long candies(int n, vector<int> arr) { if(arr.empty()){ return 0; } vector<int> candies(n); int curr=1; candies[0]=1; for(int i=0;i+1<n;i++){ if(arr[i+1]>arr[i]){ curr++; }else{ curr=1; } candies[i+1]=curr; } for(int i=n-1;i>=1;i--){ if(arr[i-1]>arr[i] && candies[i-1]<=candies[i]){ candies[i-1]=candies[i]+1; } } long total=0; for(int i=0;i<n;i++){ total+=candies[i]; } return total; }
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