View Compilation Error

0_0_27057750_20776.cpp: In function 'int main()':
0_0_27057750_20776.cpp:7:9: error: 'tmp' was not declared in this scope
 if(a>b) tmp=a,a=b,b=D;
         ^
0_0_27057750_20776.cpp:8:9: error: 'tmp' was not declared in this scope
 if(a>c) tmp=a,a=c,c=D;
         ^
0_0_27057750_20776.cpp:9:9: error: 'tmp' was not declared in this scope
 if(b>c) tmp=b,b=c,c=D;
         ^