View Compilation Error

0_0_33578855_18955.cpp: In function 'int main()':
0_0_33578855_18955.cpp:63:21: error: no match for 'operator=' (operand types are 'edge' and 'int')
                 e[p]=i;
                     ^
0_0_33578855_18955.cpp:63:21: note: candidates are:
0_0_33578855_18955.cpp:18:8: note: edge& edge::operator=(const edge&)
 struct edge{
        ^
0_0_33578855_18955.cpp:18:8: note:   no known conversion for argument 1 from 'int' to 'const edge&'
0_0_33578855_18955.cpp:18:8: note: edge& edge::operator=(edge&&)
0_0_33578855_18955.cpp:18:8: note:   no known conversion for argument 1 from 'int' to 'edge&&'