#include<stdio.h>
int main()
{
int celsius, fahr;
printf(“输入华氏温度:”);
scanf_s("%d", &fahr);
celsius = 5 * (fahr- 32) / 9;
printf(“华氏温度为:%d,摄氏温度计为:%d/n”, fahr, celsius);

return 0;
}

#include<stdio.h>
int main(){ char c1, c2; printf(“输入一个小写字母:”); c1 = getchar(); printf("%c,%d\n", c1, c1); c2 = c1 - 32; printf("%c,%d\n", c2, c2); return 0;}

#include <stdio.h>
int main(){ int a=123; long int b = 32770; printf(“a=%d,b=%ld\n”, a, b); printf(“a=%o,b=%lo\n”, a, b); printf(“a=%#x,b=%#lx\n”, a, b); printf(“a=%d,b=%ld\n”, a); printf(“a+b=%ld\n”, a+b, b); printf(“输出结束!\n”); return 0;}

 

#include <stdio.h>
int main(){ int a, b; long int c; scanf_s("%d%d%ld", &a, &b, &c); printf(“a=%d,b=%d,c=%ld\n”, a, b, c); return 0;}

 

#include <stdio.h>
int main()
{
int a, b;
long int c;
scanf_s("%d,%d,%ld", &a, &b, &c);
printf(“a=%d,b=%d,c=%ld\n”, a, b, c);
return 0;
}

#include<stdio.h>
int main()
{
int a, b, c, d;
scanf_s("%2d%3d%*d,%d%d", &a, &b, &c, &d);
printf(“a=%d,b=%d,c=%d,d=%d\n”, a, b, c, d);
printf(“a=%4d,b=%-4d,c=%-4d,d=%4d\n”, a, b, c, d);
printf(“a=%+4d,b=%+4d,c=%+4d,d=%+4d\n”, a, b, c, d);
return 0;
}

#include<stdio.h>
int main(){ float f; double d; scanf_s("%f%lf", &f, &d); printf(“f=%f,d=%f\n”, f, d); printf(“f=%e,d=%e\n”, f, d); printf(“f=%4.2f,d=%.3f\n”, f, d); return 0;}

#include<stdio.h>
int main(){ char a, b, c; scanf_s("%c%c%c",&a,&b,&c); printf(“a=%3c,b=%c,c=%c\n”, a, b, c); return 0;}

#include<stdio.h>
int main(){ char a, b, c; scanf_s("%c%c%c",&a,1,&b,2,&c,3); printf(“a=%3c,b=%c,c=%c\n”, a, b, c); return 0;}

#include<stdio.h>
int main(){ char ch; ch = getchar(); putchar(ch); return 0;}

#include<stdio.h>
int main(){ putchar(getchar()); return 0;}

#include<stdio.h>
int main(){ printf("%c", getchar()); return 0;}

#include<stdio.h>
#include<math.h>;#define PI 3.14int main(){ float r, v; printf(“输入半径r：”); scanf_s("%f", &r); v = 4.0 / 3 * PI * pow(r, 3); printf(“体积为:%.2f\n”, v); return 0;}

 

#include<stdio.h>
#include<math.h>;int main(){ float a, b, c, x1, x2, p, q; printf(“请输入三个系数：”); scanf_s(“a=%f,b=%f,c=%f”,&a,&b,&c); p = -b / (2 * a); q = sqrt(b * b - 4 * a * c) / (2 * a); x2 = p + q; x2 = p - q; printf(“x1=%5.2f\nx2=%5.2f\n”,a,b,c); return 0;}