c语言中,当程序退出时,怎样用一个文件将程序中的所有变量的值保存下来...答:1、FILE *fp;fp=fopen("c:\\read.txt","w");if(!fp) exit(0);fprintf(fp,"%d,%d",a,b);2、FILE *out,*in;//下面是把三个变量存储到文件中 out=fopen("out.txt","w");fprintf(out,"%d %d %c",a,b,c);
C语言如何以逗号分割字符串 就是用scanf输入一行“1,2,3,4"把这四个...答:int a[4];scanf("%d,%d,%d,%d", &a[0], &a[1], &a[2], &a[3]);