以下程序运行后输出的结果是______。 include <stdio.h> include <stdlib.h> include <string.h> main() char *p; int i; p= (char *)malloc(sizeof(char)*20); strcpy(p, "welcome"); for (i=6; i>=0; i--) putchar(*(p+i)); prin
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以下程序运行后输出的结果是______。 include <stdio.h> include <stdlib.h> include <string.h> main() char *p; int i; p= (char *)malloc(sizeof(char)*20); strcpy(p, "welcome"); for (i=6; i>=0; i--) putchar(*(p+i)); prin