Trace though the following program fragments to determine their exact output as shown to the user. You can trace the program using a trace table or by going through the program manually. Only after tracing the program fragments should you try to run them with a compiler and compare your result with the program's output. a) int i=1; while (i=0;i)// Thought: What happens when i=0 and we subtract 1 ? printf("\%d ", i); //Thought: Why does printf print negative values when i is unsigned? f) int i=1,a=0; printf("Sum of %d,i); do {a=a+i; i++; \} while( i