[dywang@dyw219 zzz]$ vim endlessloop1.c [dywang@dyw219 zzz]$ cat endlessloop1.c #include <stdio.h> main() { int i=1, a, sum=0; do { printf("Enter an integer: "); scanf("%d", &a); } while ( a!=1999 ); while ( sum < a ) { printf("%d+", i++ ); sum += i; } printf("%d=%d\n", i,sum ); }
[dywang@dyw219 zzz]$ gcc -o endlessloop1 endlessloop1.c
[dywang@dyw219 zzz]$ ./endlessloop1 Enter an integer: 34 Enter an integer: 23 Enter an integer: 56 Enter an integer: -2 Enter an integer: 90 Enter an integer: ^C