#include<stdio.h> int main() { int a,b,sum; a=123; b=456; sum=a+b; printf("sum is %d\n",sum); return 0; }
#include<stdio.h> int main() { char c1,c2; c1=97; c2=98; printf("c1=%c,c2=%c\n",c1,c2); printf("c1=%d,c2=%d\n",c1,c2); return 0; }
#include<stdio.h> int main() { char c1,c2; c1=197; c2=198; printf("c1=%c,c2=%c\n",c1,c2); printf("c1=%d,c2=%d\n",c1,c2); return 0; }
#include<stdio.h> #include<math.h> int main() { double x,y,z; printf("请输入两个数:\n"); scanf("%lf%lf",&x,&y); z=x+1/fabs(y); printf("%d\n",(int)z); printf("%15.6f\n",z); printf("%e\n",z); return 0; }