View Code of Problem 24

#include<stdio.h>
#include<math.h>
void main()
{
float a,b,c,p;
double S;
printf(“请输入三边长度:\n”);
scanf("%f %f %f",&a,&b,&c);
if(a+b>c&&b+c>a&&a+c>b)
{
p=(a+b+c)/2;
S=sqrt(p*(p-a)(p-b)(p-c)); //海伦公式
printf(“此三角形面积为：%f\n”,S);
}
else
{
printf(“您所输入的三边不构成三角形！\n”);

}
}

/*
Main.c:3:6: warning: return type of 'main' is not 'int' [-Wmain]
 void main()
      ^~~~
Main.c: In function 'main':
Main.c:7:8: error: stray '\342' in program
 printf(“请输入三边长度:\n”);
        ^
Main.c:7:9: error: stray '\200' in program
 printf(“请输入三边长度:\n”);
         ^
Main.c:7:10: error: stray '\234' in program
 printf(“请输入三边长度:\n”);
          ^
Main.c:7:11: error: stray '\350' in program
 printf(“请输入三边长度:\n”);
           ^
Main.c:7:12: error: stray '\257' in program
 printf(“请输入三边长度:\n”);
            ^
Main.c:7:13: error: stray '\267' in program
 printf(“请输入三边长度:\n”);
             ^
Main.c:7:14: error: stray '\350' in program
 printf(“请输入三边长度:\n”);
              ^
Main.c:7:15: error: stray '\276' in program
 printf(“请输入三边长度:\n”);
               ^
Main.c:7:16: error: stray '\223' in program
 printf(“请输入三边长度:\n”);
                ^
Main.c:7:17: error: stray '\345' in program
 printf(“请输入三边长度:\n”);
                 ^
Main.c:7:18: error: stray '\205' in program
 printf(“请输入三边长度:\n”);
                  ^
Main.c:7:19: error: stray '\245' in program
 printf(“请输入三边长度:\n”);
                   ^
Main.c:7:20: error: stray '\344' in program
 printf(“请输入三边长度:\n”);
                    ^
Main.c:7:21: error: stray '\270' in program
 printf(“请输入三边长度:\n”);
                     ^
Main.c:7:22: error: stray '\211' in program
 printf(“请输入三边长度:\n”);
                      ^
Main.c:7:23: error: stray '\350' in program
 printf(“请输入三边长度:\n”);
                       ^
Main.c:7:24: error: stray '\276' in program
 printf(“请输入三边长度:\n”);
                        ^
Main.c:7:25: error: stray '\271' in program
 printf(“请输入三边长度:\n”);
                         ^
Main.c:7:26: error: stray '\351' in program
 printf(“请输入三边长度:\n”);
                          ^
Main.c:7:27: error: stray '\225' in program
 printf(“请输入三边长度:\n”);
                           ^
Main.c:7:28: error: stray '\277' in program
 printf(“请输入三边长度:\n”);
                            ^
Main.c:7:29: error: stray '\345' in program
 printf(“请输入三边长度:\n”);
                             ^
Main.c:7:30: error: stray '\272' in program
 printf(“请输入三边长度:\n”);
                              ^
Main.c:7:31: error: stray '\246' in program
 printf(“请输入三边长度:\n”);
                               ^
Main.c:7:32: error: expected expression before ':' token
 printf(“请输入三边长度:\n”);
                                ^
Main.c:7:33: error: stray '\' in program
 printf(“请输入三边长度:\n”);
                                 ^
Main.c:7:35: error: stray '\342' in program
 printf(“请输入三边长度:\n”);
                                   ^
Main.c:7:36: error: stray '\200' in program
 printf(“请输入三边长度:\n”);
                                    ^
Main.c:7:37: error: stray '\235' in program
 printf(“请输入三边长度:\n”);
                                     ^
Main.c:12:12: error: called object is not a function or function pointer
 S=sqrt(p*(p-a)(p-b)(p-c)); //海伦公式
          ~~^~~
Main.c:13:8: error: stray '\342' in program
 printf(“此三角形面积为：%f\n”,S);
        ^
Main.c:13:9: error: stray '\200' in program
 printf(“此三角形面积为：%f\n”,S);
         ^
Main.c:13:10: error: stray '\234' in program
 printf(“此三角形面积为：%f\n”,S);
          ^
Main.c:13:11: error: stray '\346' in program
 printf(“此三角形面积为：%f\n”,S);
           ^
Main.c:13:12: error: stray '\255' in program
 printf(“此三角形面积为：%f\n”,S);
            ^
Main.c:13:13: error: stray '\244' in program
 printf(“此三角形面积为：%f\n”,S);
             ^
Main.c:13:14: error: stray '\344' in program
 printf(“此三角形面积为：%f\n”,S);
              ^
Main.c:13:15: error: stray '\270' in program
 printf(“此三角形面积为：%f\n”,S);
               ^
Main.c:13:16: error: stray '\211' in program
 printf(“此三角形面积为：%f\n”,S);
                ^
Main.c:13:17: error: stray '\350' in program
 printf(“此三角形面积为：%f\n”,S);
                 ^
Main.c:13:18: error: stray '\247' in program
 printf(“此三角形面积为：%f\n”,S);
                  ^
Main.c:13:19: error: stray '\222' in program
 printf(“此三角形面积为：%f\n”,S);
                   ^
Main.c:13:20: error: stray '\345' in program
 printf(“此三角形面积为：%f\n”,S);
                    ^
Main.c:13:21: error: stray '\275' in program
 printf(“此三角形面积为：%f\n”,S);
                     ^
Main.c:13:22: error: stray '\242' in program
 printf(“此三角形面积为：%f\n”,S);
                      ^
Main.c:13:23: error: stray '\351' in program
 printf(“此三角形面积为：%f\n”,S);
                       ^
Main.c:13:24: error: stray '\235' in program
 printf(“此三角形面积为：%f\n”,S);
                        ^
Main.c:13:25: error: stray '\242' in program
 printf(“此三角形面积为：%f\n”,S);
                         ^
Main.c:13:26: error: stray '\347' in program
 printf(“此三角形面积为：%f\n”,S);
                          ^
Main.c:13:27: error: stray '\247' in program
 printf(“此三角形面积为：%f\n”,S);
                           ^
Main.c:13:28: error: stray '\257' in program
 printf(“此三角形面积为：%f\n”,S);
                            ^
Main.c:13:29: error: stray '\344' in program
 printf(“此三角形面积为：%f\n”,S);
                             ^
Main.c:13:30: error: stray '\270' in program
 printf(“此三角形面积为：%f\n”,S);
                              ^
Main.c:13:31: error: stray '\272' in program
 printf(“此三角形面积为：%f\n”,S);
                               ^
Main.c:13:32: error: stray '\357' in program
 printf(“此三角形面积为：%f\n”,S);
                                ^
Main.c:13:33: error: stray '\274' in program
 printf(“此三角形面积为：%f\n”,S);
                                 ^
Main.c:13:34: error: stray '\232' in program
 printf(“此三角形面积为：%f\n”,S);
                                  ^
Main.c:13:35: error: expected expression before '%' token
 printf(“此三角形面积为：%f\n”,S);
                                   ^
Main.c:13:37: error: stray '\' in program
 printf(“此三角形面积为：%f\n”,S);
                                     ^
Main.c:13:39: error: stray '\342' in program
 printf(“此三角形面积为：%f\n”,S);
                                       ^
Main.c:13:40: error: stray '\200' in program
 printf(“此三角形面积为：%f\n”,S);
                                        ^
Main.c:13:41: error: stray '\235' in program
 printf(“此三角形面积为：%f\n”,S);
                                         ^
Main.c:17:8: error: stray '\342' in program
 printf(“您所输入的三边不构成三角形！\n”);
        ^
Main.c:17:9: error: stray '\200' in program
 printf(“您所输入的三边不构成三角形！\n”);
         ^
Main.c:17:10: error: stray '\234' in program
 printf(“您所输入的三边不构成三角形！\n”);
          ^
Main.c:17:11: error: stray '\346' in program
 printf(“您所输入的三边不构成三角形！\n”);
           ^
Main.c:17:12: error: stray '\202' in program
 printf(“您所输入的三边不构成三角形！\n”);
            ^
Main.c:17:13: error: stray '\250' in program
 printf(“您所输入的三边不构成三角形！\n”);
             ^
Main.c:17:14: error: stray '\346' in program
 printf(“您所输入的三边不构成三角形！\n”);
              ^
Main.c:17:15: error: stray '\211' in program
 printf(“您所输入的三边不构成三角形！\n”);
               ^
Main.c:17:16: error: stray '\200' in program
 printf(“您所输入的三边不构成三角形！\n”);
                ^
Main.c:17:17: error: stray '\350' in program
 printf(“您所输入的三边不构成三角形！\n”);
                 ^
Main.c:17:18: error: stray '\276' in program
 printf(“您所输入的三边不构成三角形！\n”);
                  ^
Main.c:17:19: error: stray '\223' in program
 printf(“您所输入的三边不构成三角形！\n”);
                   ^
Main.c:17:20: error: stray '\345' in program
 printf(“您所输入的三边不构成三角形！\n”);
                    ^
Main.c:17:21: error: stray '\205' in program
 printf(“您所输入的三边不构成三角形！\n”);
                     ^
Main.c:17:22: error: stray '\245' in program
 printf(“您所输入的三边不构成三角形！\n”);
                      ^
Main.c:17:23: error: stray '\347' in program
 printf(“您所输入的三边不构成三角形！\n”);
                       ^
Main.c:17:24: error: stray '\232' in program
 printf(“您所输入的三边不构成三角形！\n”);
                        ^
Main.c:17:25: error: stray '\204' in program
 printf(“您所输入的三边不构成三角形！\n”);
                         ^
Main.c:17:26: error: stray '\344' in program
 printf(“您所输入的三边不构成三角形！\n”);
                          ^
Main.c:17:27: error: stray '\270' in program
 printf(“您所输入的三边不构成三角形！\n”);
                           ^
Main.c:17:28: error: stray '\211' in program
 printf(“您所输入的三边不构成三角形！\n”);
                            ^
Main.c:17:29: error: stray '\350' in program
 printf(“您所输入的三边不构成三角形！\n”);
                             ^
Main.c:17:30: error: stray '\276' in program
 printf(“您所输入的三边不构成三角形！\n”);
                              ^
Main.c:17:31: error: stray '\271' in program
 printf(“您所输入的三边不构成三角形！\n”);
                               ^
Main.c:17:32: error: stray '\344' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                ^
Main.c:17:33: error: stray '\270' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                 ^
Main.c:17:34: error: stray '\215' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                  ^
Main.c:17:35: error: stray '\346' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                   ^
Main.c:17:36: error: stray '\236' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                    ^
Main.c:17:37: error: stray '\204' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                     ^
Main.c:17:38: error: stray '\346' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                      ^
Main.c:17:39: error: stray '\210' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                       ^
Main.c:17:40: error: stray '\220' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                        ^
Main.c:17:41: error: stray '\344' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                         ^
Main.c:17:42: error: stray '\270' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                          ^
Main.c:17:43: error: stray '\211' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                           ^
Main.c:17:44: error: stray '\350' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                            ^
Main.c:17:45: error: stray '\247' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                             ^
Main.c:17:46: error: stray '\222' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                              ^
Main.c:17:47: error: stray '\345' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                               ^
Main.c:17:48: error: stray '\275' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                                ^
Main.c:17:49: error: stray '\242' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                                 ^
Main.c:17:50: error: stray '\357' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                                  ^
Main.c:17:51: error: stray '\274' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                                   ^
Main.c:17:52: error: stray '\201' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                                    ^
Main.c:17:53: error: stray '\' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                                     ^
Main.c:17:55: error: stray '\342' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                                       ^
Main.c:17:56: error: stray '\200' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                                        ^
Main.c:17:57: error: stray '\235' in program
 printf(“您所输入的三边不构成三角形！\n”);
                                                         ^
Main.c:17:54: error: 'n' undeclared (first use in this function)
 printf(“您所输入的三边不构成三角形！\n”);
                                                      ^
Main.c:17:54: note: each undeclared identifier is reported only once for each function it appears in
Main.c:6:8: warning: variable 'S' set but not used [-Wunused-but-set-variable]
 double S;
        ^
*/