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hi!我是渔火。今天开始跟我学,从零开始学C语言(四)
int r; //定义r为整型 float v,f; //定义v,f为单精度浮点型 double x,y; //定义x,y为双精度浮点型 char ch; //定义ch为字符型
//2023.1.28 渔火 by Linux迷 int main(){ int a,b,c; char ch='Y' ; a=8; b=a+ch; scanf("%d",&c); printf("%d,%d,%d,%c\n",a,b,c,ch); //2023.1.28 渔火 by Linux迷 return ;}

//2023.1.28 渔火 by Linux迷 int main(){ int a,b,c,d; unsigned long e; a=6; b=8; e=10; c=a+e; d=b+e; printf("c=%d,d=%d\n",c,d); //2023.1.28 渔火 by Linux迷 return ;}

//2023.1.28 渔火 by Linux迷 int main(){ short int a,b; a=32767; b=a+1; printf("a=%d,b=%d\n",a,b); //2023.1.28 渔火 by Linux迷 return ;}

//2023.1.28 渔火 by Linux迷 int main(){ float a=8888.56789; double b=8888.567895678; printf("a=%f,b=%f\n",a,b); //2023.1.28 渔火 by Linux迷 return ;}

//2023.1.28 渔火 by Linux迷 int main(){ char y1,y2; y1='Y'; y2=89; printf("%c,%c\n",y1,y2); printf("%d,%d\n",y1,y2); //2023.1.28 渔火 by Linux迷 return ;}

//2023.1.28 渔火 by Linux迷 int main(){ char y1,y2; y1='Y'; y2='U'; y1=y1+32; y2=y2+32; printf("%c,%c\n",y1,y2); printf("%d,%d\n",y1,y2); //2023.1.28 渔火 by Linux迷 return ;}

//2023.1.28 渔火 by Linux迷 int main(){ char y1,y2; y1='y'; y2='u'; y1=y1-32; y2=y2-32; printf("%c,%c\n",y1,y2); printf("%d,%d\n",y1,y2); //2023.1.28 渔火 by Linux迷 return ;}

https:///learn-c-language-from-scratch-1.html
https:///learn-c-language-from-scratch-2.html
https:///learn-c-language-from-scratch-3.html
https:///learn-c-language-from-scratch-4.html
https:///learn-c-language-from-scratch-5.html
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/615/viewspace-3121638/ ,如需转载,请注明出处,否则将追究法律责任。