View Compilation Error

0_0_36911387_13877.cpp: In function 'int main()':
0_0_36911387_13877.cpp:141:21: error: redeclaration of 'int pos'
                 int pos = upper_bound(E[v].begin(), E[v].end(), (edges){0, 0, E[i][j].a, (int)1e9}) - E[v].begin();
                     ^
0_0_36911387_13877.cpp:140:41: note: 'int pos' previously declared here
                 int v = E[i][j].to; int pos = 0;
                                         ^