rcc-legacy/tests/sysy_lvX/101_recursion_test1.sy


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int fact(int n) {
  if (n == 0) {
    return 1;
  }
  int nn;
  nn = n-1;
  return (n * fact(nn));
}

int main() {
  int n;
  n = 4;
  return fact(n);
}