Commit 621db73

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Merge pull request #172 from Emosans/Emosans/string-int-snippet

new snippet - swap numbers

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`@@ -28,6 +28,17 @@`
`28`	`28`	`],`
`29`	`29`	`"contributors": [],`
`30`	`30`	`"code": "int factorial(int x) {\n int y = 1;\n\n for (int i = 2; i <= x; i++)\n y *= i;\n\n return y;\n}\n\n// Usage:\nfactorial(4); // Returns: 24\n"`
	`31`	`+ },`
	`32`	`+ {`
	`33`	`+ "title": "Swap numbers",`
	`34`	`+ "description": "Swaps two numbers without using third variable",`
	`35`	`+ "author": "Emosans",`
	`36`	`+ "tags": [`
	`37`	`+ "swap",`
	`38`	`+ "numbers"`
	`39`	`+ ],`
	`40`	`+ "contributors": [],`
	`41`	`+ "code": "#include<stdio.h>\nvoid swap(int* num1,int* num2){\n num1 = num1 + num2;\n num2 = num1 - num2;\n num1 = num1 - *num2;\n}\n\n// Usage:\nint a = 3,b = 4;\nswap(&a,&b); // simply use printf after this to print swapped values\n"`
`31`	`42`	`}`
`32`	`43`	`]`
`33`	`44`	`}`

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`@@ -0,0 +1,19 @@`
	`1`	`+---`
	`2`	`+title: Swap numbers`
	`3`	`+description: Swaps two numbers without using third variable`
	`4`	`+author: Emosans`
	`5`	`+tags: swap,numbers`
	`6`	`+---`
	`7`	`+`
	`8`	+```c
	`9`	`+#include<stdio.h>`
	`10`	`+void swap(int* num1,int* num2){`
	`11`	`+ num1 = num1 + *num2;`
	`12`	`+ num2 = num1 - *num2;`
	`13`	`+ num1 = num1 - *num2;`
	`14`	`+}`
	`15`	`+`
	`16`	`+// Usage:`
	`17`	`+int a = 3,b = 4;`
	`18`	`+swap(&a,&b); // swaps the values of the a and b variables`
	`19`	+```

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