Merge pull request sanscript-tech#229 from Nibba2018/tim_prog_c

Checking Timing of a Program in C

Author: yashaswibiyahut

.gitignore

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+.vscode

C/Program-Timer/README.md

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+# Program Timing
+This script checks the time required to run a function in C.
+
+
+## To use
+* Edit `void function` and write your own operations.
+* Compile with `gcc timer.c -o timer`.
+* Execute with `./timer`
+
+**Time Complexity:** O(1)
+**Space Complexity:** 0(1)
+
+## Output
+![output](output.png)

C/Program-Timer/output.png

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+#include<time.h>
+#include<stdio.h>
+
+// Placeholer function to edit:
+void function(){
+    int a, b;
+    printf("Enter numbers to add(space separated):");
+    scanf("%d %d", &a, &b);
+    printf("Sum of %d and %d is %d.\n", a, b, a+b);
+}
+
+int main(int argc, char *argv[])
+{
+    /*
+    Create start and end clock variables of type `clock_t`
+    and time the function.
+    */
+    clock_t start = clock();
+    function();
+    clock_t end = clock();
+
+    // Divide clock difference with CLOCKS_PER_SEC to convert time to seconds
+    // and then typecast it to double.
+    double time_taken = ((double)(end - start))/CLOCKS_PER_SEC;
+
+    printf("function took %f seconds to execute\n", time_taken);
+
+    return 0;
+}