View Compilation Error

0_0_28839579_14767.cpp: In function 'int main()':
0_0_28839579_14767.cpp:110:13: error: no match for 'operator=' (operand types are 'node' and 'int')
         a[f]=0;  
             ^
0_0_28839579_14767.cpp:110:13: note: candidates are:
0_0_28839579_14767.cpp:5:8: note: node& node::operator=(const node&)
 struct node
        ^
0_0_28839579_14767.cpp:5:8: note:   no known conversion for argument 1 from 'int' to 'const node&'
0_0_28839579_14767.cpp:5:8: note: node& node::operator=(node&&)
0_0_28839579_14767.cpp:5:8: note:   no known conversion for argument 1 from 'int' to 'node&&'