int a=3; main(){int s=0;{int a=5;s+=a++;}s+=a++;printf("%d\n

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int a=3; main(){int s=0;{int a=5;s+=a++;}s+=a++;printf("%d\n",s);}

这个输出为8,
int a=3;//定义全局变量
main()
{int s=0;
{int a=5;
s+=a++;//这里计算后s的值为5,因为a++是先算a的值,然后在加1,所以此时a的值为5,这条语句执行结束后才会变为6!
}
s+=a++;这里的a为全局变量3,而并非局部变量5,局部变量为5的a只在它所在的那条花括号里的快语句中起作用,这也是变量作用域的定义,所以s的值就为5+3=8
printf("%d\n",s);
}

int f(int n); main() { int a=3,s; s=f(a); s=s+f(a); printf(" int f(int n); main() { int a=3,s; s=f(a); s=s+f(a); printf(& int a=2; int f(int a); {return (a)++;} main() {int s=0; {int #include int f(int n); main() {int a=3,s; s=f(a);s=s+=(a);pr main() { int a,s,max; scanf("%d%d",&a,&s); if(a>s) { max=a } int main(){int a,n,i=1,sn=0,tn=0;printf("a,n=:");scanf("%d,% main(){int a,n,sum=0;printf("Input data:");scanf("%d",&a (i!=p) 求解释main(){ int i,j,p,q,s,a[10]; printf("\n input 10 n # include # include int mian () { int m,n,i,s=0; int a[10000 Int a=1; Int *p; p=&a; printf(“%d\n”,*p); 和Int a=1; Int*p; * #include main() {unsigned int a=65535; printf("a=%d\n",a); } #include"stdio.h"main(){int a=-1 printf("%d,%u,%o,%x\n",a,a,