#include <iostream>
#include <random>
int main() {
std::random_device rd;
std::uniform_int_distribution<> dis(0,1);
const int N = 100;
int v = 0;
for( int i=0; i<N; ++i )
{
std::cout << v << " ";
v += dis(rd) ? 1 : -1;
}
std::cout << std::endl;
// your code goes here
return 0;
}
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