Code executing on Eclipse but not on CodingBlocksIDE

I wrote the same code on Eclipse IDE , it worked fine but when I copied and pasted the same code here, it threw an error. Even the code copied from solution section is throwing error.

@Syed-Siddiqui-2497215583854102,

https://ide.codingblocks.com/s/228211 corrected code.
Don’t put spaces in this, you had done: ch == ’ * ’

			if (ch == '+' || ch == '-' || ch == '*' || ch == '/' || ch == '%') {

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