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

new snippet - swap numbers

public/consolidated/c.json

@@ -28,6 +28,17 @@
                 ],
                 "contributors": [],
                 "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"
+            },
+            {
+                "title": "Swap numbers",
+                "description": "Swaps two numbers without using third variable",
+                "author": "Emosans",
+                "tags": [
+                    "swap",
+                    "numbers"
+                ],
+                "contributors": [],
+                "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"
             }
         ]
     }

snippets/c/mathematical-functions/swap-numbers.md

@@ -0,0 +1,19 @@
+---
+title: Swap numbers
+description: Swaps two numbers without using third variable
+author: Emosans
+tags: swap,numbers
+---
+
+```c
+#include<stdio.h>
+void swap(int* num1,int* num2){
+    *num1 = *num1 + *num2;
+    *num2 = *num1 - *num2;
+    *num1 = *num1 - *num2;
+}
+
+// Usage:
+int a = 3,b = 4;
+swap(&a,&b); // swaps the values of the a and b variables
+```