View Compilation Error

0_0_37625675_27797.cpp: In function 'void run()':
0_0_37625675_27797.cpp:123:20: error: could not convert '{u, c}' from '<brace-enclosed initializer list>' to 'v_e'
         v_e e1={u,c};
                    ^
0_0_37625675_27797.cpp:124:20: error: could not convert '{i, c}' from '<brace-enclosed initializer list>' to 'v_e'
         v_e e2={i,c};
                    ^