#include <fstream>
const static int N = 1000;
int main()
{
int lut[N][2];
std::ifstream f("input_file.txt");
int index = 0;
while(!f.eof())
{
int l1 = 0;
int l2 = 0;
f >> l1 >> l2;
lut[index][0] = l1;
lut[index][1] = l2;
++index;
if (index == N)
break; // WARN
}
return 0;
}
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