Shut Down your Computer using "C" Programming

/*press y for shutdown your computer (for windows 7).

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#include <stdio.h>  #include <stdlib.h>   using namespace std;   main()  {  char ch;   printf("Do you want to shutdown your computer now (y/n)\n");  scanf("%c",&ch);   if (ch == 'y' || ch == 'Y')  system("C:\\WINDOWS\\System32\\shutdown /s");   return 0;  }