作业帮#include main() { int k ,v1=0,v2=0,v3=0,v4=0; char s[]="12134211"; for(k=0;s[k];k++)#include main(){ int k ,v1=0,v2=0,v3=0,v4=0; char s[]="12134211"; for(k=0;s[k];k++) switch(s[k]) { default: v4++; case 1: v1++; case 2: v2++; case 3
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![#include main() { int k ,v1=0,v2=0,v3=0,v4=0; char s[]=](/uploads/image/z/13491287-71-7.jpg?t=%23include++main%28%29+%7B+int+k+%2Cv1%3D0%2Cv2%3D0%2Cv3%3D0%2Cv4%3D0%3B+char+s%5B%5D%3D%2212134211%22%3B+for%28k%3D0%3Bs%5Bk%5D%3Bk%2B%2B%29%23include+main%28%29%7B+int+k+%2Cv1%3D0%2Cv2%3D0%2Cv3%3D0%2Cv4%3D0%3B+char+s%5B%5D%3D%2212134211%22%3B+for%28k%3D0%3Bs%5Bk%5D%3Bk%2B%2B%29++switch%28s%5Bk%5D%29+%7B++default%3A+++v4%2B%2B%3B++case+1%3A+++v1%2B%2B%3B++++++++case+2%3A+++v2%2B%2B%3B++case+3)
#include main() { int k ,v1=0,v2=0,v3=0,v4=0; char s[]="12134211"; for(k=0;s[k];k++)#include main(){ int k ,v1=0,v2=0,v3=0,v4=0; char s[]="12134211"; for(k=0;s[k];k++) switch(s[k]) { default: v4++; case 1: v1++; case 2: v2++; case 3
#include main() { int k ,v1=0,v2=0,v3=0,v4=0; char s[]="12134211"; for(k=0;s[k];k++)
#include
main()
{
int k ,v1=0,v2=0,v3=0,v4=0;
char s[]="12134211";
for(k=0;s[k];k++)
switch(s[k])
{
default:
v4++;
case 1:
v1++;
case 2:
v2++;
case 3:
v3++;
}
printf("%d,%d,%d,%d",v1,v2,v3,v4);
} 的运行结果为什么是 8 8 8 8
#include main() { int k ,v1=0,v2=0,v3=0,v4=0; char s[]="12134211"; for(k=0;s[k];k++)#include main(){ int k ,v1=0,v2=0,v3=0,v4=0; char s[]="12134211"; for(k=0;s[k];k++) switch(s[k]) { default: v4++; case 1: v1++; case 2: v2++; case 3
switch语句以下写错了
这样写：
switch(s[k])
{
case '1':
v1++;break;
case '2':
v2++;break;
case '3':
v3++;break;
default:
v4++;break;
}