若运行以下程序时,从键盘输入ADescriptor(表示回车),则下面程序的运行结果是#include
main()
{charc;
intv0=1,v1=0,v2=0;
do{switch(c=getchar())
{case′a′:case′A′:
case′e′:case′E′:
case′i′:case′I′:
case′o′:case′O′:
case′u′:case′U′:v1+=1;
default:v0+=1;v2+=1;}
}while(c!=′\n′);
printf("v0=%d,v1=%d,v2=%d\n",v0,v1,v2);}
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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