答案：include<stdio.h>#include<math.h>int main(void){float a,b,c; //对应ax+by+c=0float d; //蝶儿塔dfloat x1,x2; //根printf("输入系数\n");scanf("%f%f%f",&a,&b,&c);d = b*b-4*a*c;if(d>0){x1 = (-b+sqrt(d))/(2*a);x2 = (-b-sqrt(d))/(2...
＃include＆lt；math．h＆gt；＃include＆lt；stdio．h＆gt；main（）｛float a，b，c，p，s；printf（＆quot；chang kuan gao shi ？＆quot；）；scanf（＆quot；％f％f％f＆quot；，＆amp；a，＆amp；b，＆amp；c）；＆＃47；＆＃47；注意p＝（a＋b＋c）＆＃47；2；s＝sqrt（p...
include <math.h> int main (void){ int a,b,c;double delta ,x1 ,x2 ; //要在一开始完成全部变量的定义 printf ("请输入3个数，用空格隔开\n");scanf ("%d %d %d",&a,&b,&c); //键盘输入数字 delta =b*b - 4*a*c;if ( delta > 0){ x1 = (-b+sqrt(delta)) / (...
include <stdio.h> int main(void){ int a= -100；int b = 200；printf("绝对值: %d\n"， abs(a-b));return 0；} 结果为“绝对值: 300”。
include<stdio.h>#include<math.h>int main(void){ int a,b,c;char ch;while(1)//把程序放入while循环里{printf("输入二次方程系数a,b,c:\n");scanf("%d %d %d",&a,&b,&c);double delta;double x1;double x2;double x;delta=b*b - 4*a*c;if(a != 0){if(delta > 0){...
include <math.h> int main(void){ double a, b, c;double delta;double x1, x2;char ch;do { printf("请输入一元二次方程的三个系数:\n");printf("a = ");scanf("%lf", &a);printf("b = ");scanf("%lf", &b);printf("c = ");scanf("%lf", &c);delta = b*b -...
\n');return 0;}例子：input 2 chars:ABA:65B:6692.6337include<stdio.h>include<math.h>main(){char a,b;float s;scanf(%c %c",&a,&b);s=sqrt（a*a+b*b;//字符与数组可以相互转换printf（“%c,%d，%c,%d”，a,a,b,b）；pritnf("%f",s);}include<stdio.h>intmain(){...
include <math.h> void main(){ int a,b,c;feitwo:printf("请分别输入两个两位数整数a、b值:");/*非两位数时转到此处*/ scanf("%d%d",&a,&b);if((sqrt(a)<10||sqrt(a)>=100))||(sqrt(b)<10||sqrt(b)>=100)goto feitwo;/*非两位数时转到feitwo*/ if（a<0&b<0) /*...
问题有点多啊。include <stdio.h>int main(){ int a,b,c; printf("输入a,b:"); scanf("%d,%d", &a, &b); c=a+b; printf("c=%d",c);return 0;} include <
＃include＆lt；stdio．h＆gt；＃include＆lt；math．h＆gt；int main（）｛ int i，j，a［10］［10］，t，sum1 ＝ 0，sum2 ＝ 0； for（i ＝ 0；i ＆lt； 3；i ＋＋） ｛for（j ＝ 0；j ＆lt； 3；j ＋＋） ｛ scanf（＆quot；％d＆quot；hlh＆amp；a［i...