Hello Bell - 贝尔态示例
# Hello Bell - QEntL 示例程序
# 创建 Bell 态: (|00> + |11>) / sqrt(2)
init 2 # 初始化2个量子比特
H 0 # Hadamard on qubit 0
CNOT 0 1 # CNOT control=0, target=1
MEASURE 0 0 # Measure qubit 0 -> register 0
MEASURE 1 1 # Measure qubit 1 -> register 1
PRINT 0 # Print quantum state at qubit 0
STOP # Halt