7-26.以下程序的输出结果是 ________。void fun( ){ static int a;a+=2;printf("%d",a);}main( ){ int cc;for(cc=1; cc<=4; cc++) fun();printf("\n");}
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7-27.以下程序的运行结果是int a=5;int b=7;void main(){int a=4,b=5,c;c=plus(a,b);printf("A+B=%d\n",c);}void plus(int x,int y){int z;z=x+y;return(x);}
7-28.以下程序的运行结果是#includevoid main(){incx();incy();incx();incy();incx();incy();}void incx(){int x=0;printf("x=%d\t",++x);}incy(){static int y=0;printf("\ny=%d\n",++y);}
7-29.下面程序的输出结果是:____________#include int Try(int n){if (n>0)return (n * Try(n-2));elsereturn 1;}void main(){int x;x = Try(5);printf("x=%d\n",x);}
7-30.下面程序的输出结果是:_______#include void fun(int m,int n);void main(){int m=10, n=20;fun(m,n);printf("m=%d,n=%d\n",m,n);}void fun(int m,int n){int temp;if (m > n){temp = m;m = n;n = temp;}}