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- #include <iostream>
- #include <vector>
- #include <numeric>
- int main() {
- constexpr int size = 1024*1024;
- std::vector<double> x;
- x.reserve(size);
- #pragma omp parallel for
- for(int i = 0; i<size; ++i)
- x[i] = 0.0;
- x.resize(size);
- double sum = 0.0;
- for(int i = 0; i<size; ++i)
- sum += x[i];
- if(sum > 1.0)
- std::cout << sum << std::endl;
- else
- std::cout << "sum is zero!!!!!" << std::endl;
- }
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