View Compilation Error

0_0_20253247_11731.cpp: In function 'int main()':
0_0_20253247_11731.cpp:12:19: error: 'b' was not declared in this scope
             int a=b=c=0;
                   ^
0_0_20253247_11731.cpp:12:21: error: 'c' was not declared in this scope
             int a=b=c=0;
                     ^