167. Two Sum II - Input array is sorted \ 122. Best Time to Buy and Sell Stock II

167. Two Sum II - Input array is sorted

class Solution {
public:
vector<int> twoSum(vector<int>& numbers, int target) {
int right = numbers.size() - 1;
int left = 0;
vector<int> result;
int sum = numbers[left] + numbers[right];

while(sum != target) {
if(sum < target) left++;
else right--;

sum = numbers[left] + numbers[right];
}

result.push_back(left+1);
result.push_back(right+1);

return result;
}
};

122. Best Time to Buy and Sell Stock II

class Solution {
public:
int maxProfit(vector<int>& prices) {
int prfit = 0;
int p_len = prices.size() - 1;
int stt = p_len >= 0 ? prices[0]:0;

for(int i = 1; i <= p_len; i++) {
int var = prices[i] - stt;
if(var > 0)   prfit += var;
stt = prices[i];
}

return prfit;
}
};