摘要： #include<stdio.h> int main() { int x=1234; float f=123.456; double m=123.456; char ch='a'; char a[]="Hello,world"; int y=3,z=4; printf("%d %d\n",y,z); printf("y=%d,z=%d\n",y,z); printf("%8d,%2d\n",x,x 阅读全文