Table 3 Quantum resources of arithmetic circuit.

From: Optimized quantum folding Barrett reduction for quantum modular multipliers

Arithmetic operation

#Qubit

T-count

T-depth

Quantum-quantum adder

\(3n+1\)

4n

n

Quantum-quantum subtractor

\(3n-1\)

\(4n-4\)

\(n-1\)

Quantum-classical adder/subtractor

\(2n+1\)

\(8n-16\)

\(2n-4\)