View Compilation Error

0_0_22622198_23992.cpp: In function 'int main()':
0_0_22622198_23992.cpp:12:16: error: 't' was not declared in this scope
         if(a>b)t=a,a=b,b=t;
                ^
0_0_22622198_23992.cpp:13:16: error: 't' was not declared in this scope
         if(a>c)t=a,a=c,c=t;
                ^
0_0_22622198_23992.cpp:14:16: error: 't' was not declared in this scope
         if(b>c)t=b,b=c,c=t;
                ^