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VeryBigSum.cpp
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VeryBigSum.cpp
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#include <bits/stdc++.h>
using namespace std;
vector <string> split_string(string);
/*
* Complete the aVeryBigSum function below.
*/
long aVeryBigSum(int n, vector<long> ar)
{
long long sum = 0;
for (const auto &elem: ar)
sum += elem;
return sum;
}
int main()
{
ofstream fout(getenv("OUTPUT_PATH"));
int n;
cin >> n;
cin.ignore(numeric_limits<streamsize>::max(), '\n');
string ar_temp_temp;
getline(cin, ar_temp_temp);
vector <string> ar_temp = split_string(ar_temp_temp);
vector<long> ar(n);
for (int ar_itr = 0; ar_itr < n; ar_itr++)
{
long ar_item = stol(ar_temp[ar_itr]);
ar[ar_itr] = ar_item;
}
long result = aVeryBigSum(n, ar);
fout << result << "\n";
fout.close();
return 0;
}
vector <string> split_string(string input_string)
{
string::iterator new_end = unique(input_string.begin(), input_string.end(), [](const char &x, const char &y)
{
return x == y and x == ' ';
});
input_string.erase(new_end, input_string.end());
while (input_string[input_string.length() - 1] == ' ')
{
input_string.pop_back();
}
vector <string> splits;
char delimiter = ' ';
size_t i = 0;
size_t pos = input_string.find(delimiter);
while (pos != string::npos)
{
splits.push_back(input_string.substr(i, pos - i));
i = pos + 1;
pos = input_string.find(delimiter, i);
}
splits.push_back(input_string.substr(i, min(pos, input_string.length()) - i + 1));
return splits;
}