#!/bin/bash
cat <<'EOF' > a.cpp
#include <bits/stdc++.h>
using namespace std;
char buf[1000 * 1000 * 1000];
int main(int argc, char **argv) {
    cout << "Hello, world!" << endl;
    for (int i = 0; i < 1000000000; i += 23) {
        buf[i] = i;
    }
    return 0;
}
EOF
g++ a.cpp
./a.out