prog.c: In function 'main':
prog.c:12:2: error: stray '\' in program
{p=(a+b+c)\2;
^
prog.c:12:13: error: expected ';' before numeric constant
{p=(a+b+c)\2;
^
prog.c:15:9: warning: too many arguments for format [-Wformat-extra-args]
printf("Площадь s=%3.1f\n для a=%f\n,b=%f\n,c=%f\n,p=5f\n",s,a,b,c,p);
^
prog.c:19:2: error: expected ';' before '{' token
{for(i=0,i>0,i++)
^
prog.c:7:6: warning: unused variable 'i' [-Wunused-variable]
int i,n;
^