Module: Character strings: Parsing arithmetic expressions


Problem

3 /4


Arithmetic expression-2

Problem

Write a program that evaluates an expression consisting of three numbers and two characters (allowed characters are «+», «–», «* " and "/"). The input is a character string representing an arithmetic expression. All numbers are integers.  operation «/» is performed as integer division 
 
Examples
# Input Output
1 12*3+45 81
2 12-45/3 -3

time 1000 ms
memory 256 Mb
Rules for program design and list of errors in automatic problem checking

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