C语言数据类型和运算符及表达式复习题

int i=6;

printf(\} main() { int i=6,j;

j=(i++)+(i++)+(i++); printf(\} main() { int i=6,j;

j=(++i)+(++i)+(++i); printf(\}

7. 写出以下程序运行的结果： main() {

typedef int counter; counter x; float y; x=sizeof y; y=sizeof (counter); printf(\}

8. 写出以下程序运行的结果： main() {float f; int i=4; f=10/i;

printf(\ main() {float f; int i=4; f=10.0/i;

printf(\9．写出以下程序运行的结果： main() {

int a,b,c; long int u,n; float x,y,z; char c1,c2; a=3;b=4;c=5; x=1.2;y=2.4;z=-3.6; u=51274;n=128765; c1='a';c2='b'; printf(\

printf(\ b=- c=-\\n\ printf(\

printf(\ y+z=%5.2f z+x=%5.2f\\n\ printf(\ n=%9ld\\n\ printf(\ printf(\}

10．写出以下程序运行的结果： main() {

int a=5,b=7;

float x=67.8564,y=-789.124; char c='A';

long n=1234567; unsigned u=65535; printf(\ printf(\ printf(\ printf(\

printf(\ printf(\ printf(\ printf(\ printf(\

printf(\}

11．用下面的scanf函数输入数据，问在键盘上应如何输入才能使a=3，b=7，x=8.5，y=71.82，c1=’A’，c2=’a’ main() { int a,b; float x,y; char c1,c2;

scanf(\ scanf(\