true #include <stdio.h> int main() { double a = 0.01,b=0.01,c=0.01; while(scanf("%lf%lf", &a, &b) != EOF) { if (b!=0) { c=a/b; printf("%.2f\n", c); } else printf("error\n"); } printf("\n"); return 0; } 836152 AC 3024,3025,3026,3027, 49.0 AC:运行结果正确 51