/in/foo.cc:5:1: error: stray '\302' in program
     int a, b, c;
 ^
/in/foo.cc:5:2: error: stray '\240' in program
     int a, b, c;
  ^
/in/foo.cc:5:3: error: stray '\302' in program
     int a, b, c;
   ^
/in/foo.cc:5:4: error: stray '\240' in program
     int a, b, c;
    ^
/in/foo.cc:5:5: error: stray '\302' in program
     int a, b, c;
     ^
/in/foo.cc:5:6: error: stray '\240' in program
     int a, b, c;
      ^
/in/foo.cc:6:1: error: stray '\302' in program
     scanf("%d%d%d", &a, &b, &c);
 ^
/in/foo.cc:6:2: error: stray '\240' in program
     scanf("%d%d%d", &a, &b, &c);
  ^
/in/foo.cc:6:3: error: stray '\302' in program
     scanf("%d%d%d", &a, &b, &c);
   ^
/in/foo.cc:6:4: error: stray '\240' in program
     scanf("%d%d%d", &a, &b, &c);
    ^
/in/foo.cc:6:5: error: stray '\302' in program
     scanf("%d%d%d", &a, &b, &c);
     ^
/in/foo.cc:6:6: error: stray '\240' in program
     scanf("%d%d%d", &a, &b, &c);
      ^
/in/foo.cc:7:1: error: stray '\302' in program
     if(a > b)swap(a, b);
 ^
/in/foo.cc:7:2: error: stray '\240' in program
     if(a > b)swap(a, b);
  ^
/in/foo.cc:7:3: error: stray '\302' in program
     if(a > b)swap(a, b);
   ^
/in/foo.cc:7:4: error: stray '\240' in program
     if(a > b)swap(a, b);
    ^
/in/foo.cc:7:5: error: stray '\302' in program
     if(a > b)swap(a, b);
     ^
/in/foo.cc:7:6: error: stray '\240' in program
     if(a > b)swap(a, b);
      ^
/in/foo.cc:8:1: error: stray '\302' in program
     if(b > c)swap(b, c);
 ^
/in/foo.cc:8:2: error: stray '\240' in program
     if(b > c)swap(b, c);
  ^
/in/foo.cc:8:3: error: stray '\302' in program
     if(b > c)swap(b, c);
   ^
/in/foo.cc:8:4: error: stray '\240' in program
     if(b > c)swap(b, c);
    ^
/in/foo.cc:8:5: error: stray '\302' in program
     if(b > c)swap(b, c);
     ^
/in/foo.cc:8:6: error: stray '\240' in program
     if(b > c)swap(b, c);
      ^
/in/foo.cc:9:1: error: stray '\302' in program
     if(a+b > c){
 ^
/in/foo.cc:9:2: error: stray '\240' in program
     if(a+b > c){
  ^
/in/foo.cc:9:3: error: stray '\302' in program
     if(a+b > c){
   ^
/in/foo.cc:9:4: error: stray '\240' in program
     if(a+b > c){
    ^
/in/foo.cc:9:5: error: stray '\302' in program
     if(a+b > c){
     ^
/in/foo.cc:9:6: error: stray '\240' in program
     if(a+b > c){
      ^
/in/foo.cc:10:1: error: stray '\302' in program
         double p = (a+b+c)/2.0;
 ^
/in/foo.cc:10:2: error: stray '\240' in program
         double p = (a+b+c)/2.0;
  ^
/in/foo.cc:10:3: error: stray '\302' in program
         double p = (a+b+c)/2.0;
   ^
/in/foo.cc:10:4: error: stray '\240' in program
         double p = (a+b+c)/2.0;
    ^
/in/foo.cc:10:5: error: stray '\302' in program
         double p = (a+b+c)/2.0;
     ^
/in/foo.cc:10:6: error: stray '\240' in program
         double p = (a+b+c)/2.0;
      ^
/in/foo.cc:10:7: error: stray '\302' in program
         double p = (a+b+c)/2.0;
       ^
/in/foo.cc:10:8: error: stray '\240' in program
         double p = (a+b+c)/2.0;
        ^
/in/foo.cc:10:9: error: stray '\302' in program
         double p = (a+b+c)/2.0;
         ^
/in/foo.cc:10:10: error: stray '\240' in program
         double p = (a+b+c)/2.0;
          ^
/in/foo.cc:10:11: error: stray '\302' in program
         double p = (a+b+c)/2.0;
           ^
/in/foo.cc:10:12: error: stray '\240' in program
         double p = (a+b+c)/2.0;
            ^
/in/foo.cc:10:13: error: stray '\302' in program
         double p = (a+b+c)/2.0;
             ^
/in/foo.cc:10:14: error: stray '\240' in program
         double p = (a+b+c)/2.0;
              ^
/in/foo.cc:11:1: error: stray '\302' in program
         printf("%.2lf", sqrt(p*(p-a)*(p-b)*(p-c)));
 ^
/in/foo.cc:11:2: error: stray '\240' in program
         printf("%.2lf", sqrt(p*(p-a)*(p-b)*(p-c)));
  ^
/in/foo.cc:11:3: error: stray '\302' in program
         printf("%.2lf", sqrt(p*(p-a)*(p-b)*(p-c)));
   ^
/in/foo.cc:11:4: error: stray '\240' in program
         printf("%.2lf", sqrt(p*(p-a)*(p-b)*(p-c)));
    ^
/in/foo.cc:11:5: error: stray '\302' in program
         printf("%.2lf", sqrt(p*(p-a)*(p-b)*(p-c)));
     ^
/in/foo.cc:11:6: error: stray '\240' in program
         printf("%.2lf", sqrt(p*(p-a)*(p-b)*(p-c)));
      ^
/in/foo.cc:11:7: error: stray '\302' in program
         printf("%.2lf", sqrt(p*(p-a)*(p-b)*(p-c)));
       ^
/in/foo.cc:11:8: error: stray '\240' in program
         printf("%.2lf", sqrt(p*(p-a)*(p-b)*(p-c)));
        ^
/in/foo.cc:11:9: error: stray '\302' in program
         printf("%.2lf", sqrt(p*(p-a)*(p-b)*(p-c)));
         ^
/in/foo.cc:11:10: error: stray '\240' in program
         printf("%.2lf", sqrt(p*(p-a)*(p-b)*(p-c)));
          ^
/in/foo.cc:11:11: error: stray '\302' in program
         printf("%.2lf", sqrt(p*(p-a)*(p-b)*(p-c)));
           ^
/in/foo.cc:11:12: error: stray '\240' in program
         printf("%.2lf", sqrt(p*(p-a)*(p-b)*(p-c)));
            ^
/in/foo.cc:11:13: error: stray '\302' in program
         printf("%.2lf", sqrt(p*(p-a)*(p-b)*(p-c)));
             ^
/in/foo.cc:11:14: error: stray '\240' in program
         printf("%.2lf", sqrt(p*(p-a)*(p-b)*(p-c)));
              ^
/in/foo.cc:12:1: error: stray '\302' in program
     }
 ^
/in/foo.cc:12:2: error: stray '\240' in program
     }
  ^
/in/foo.cc:12:3: error: stray '\302' in program
     }
   ^
/in/foo.cc:12:4: error: stray '\240' in program
     }
    ^
/in/foo.cc:12:5: error: stray '\302' in program
     }
     ^
/in/foo.cc:12:6: error: stray '\240' in program
     }
      ^
/in/foo.cc:13:1: error: stray '\302' in program
     else printf("NO");
 ^
/in/foo.cc:13:2: error: stray '\240' in program
     else printf("NO");
  ^
/in/foo.cc:13:3: error: stray '\302' in program
     else printf("NO");
   ^
/in/foo.cc:13:4: error: stray '\240' in program
     else printf("NO");
    ^
/in/foo.cc:13:5: error: stray '\302' in program
     else printf("NO");
     ^
/in/foo.cc:13:6: error: stray '\240' in program
     else printf("NO");
      ^
/in/foo.cc:14:1: error: stray '\302' in program
     return 0;
 ^
/in/foo.cc:14:2: error: stray '\240' in program
     return 0;
  ^
/in/foo.cc:14:3: error: stray '\302' in program
     return 0;
   ^
/in/foo.cc:14:4: error: stray '\240' in program
     return 0;
    ^
/in/foo.cc:14:5: error: stray '\302' in program
     return 0;
     ^
/in/foo.cc:14:6: error: stray '\240' in program
     return 0;
      ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:7:26: error: 'swap' was not declared in this scope
     if(a > b)swap(a, b);
                          ^
/in/foo.cc:8:26: error: 'swap' was not declared in this scope
     if(b > c)swap(b, c);
                          ^