View Compilation Error

0_0_33630204_6693.cpp:72:5: error: stray '\241' in program
     for(register int i=cur[x];i&∑i=p[i].net) {
     ^
0_0_33630204_6693.cpp:72:5: error: stray '\306' in program
0_0_33630204_6693.cpp: In function 'long long int dfs(int, long long int, int)':
0_0_33630204_6693.cpp:72:36: error: lvalue required as left operand of assignment
     for(register int i=cur[x];i&∑i=p[i].net) {
                                    ^
0_0_33630204_6693.cpp:72:45: error: expected ';' before ')' token
     for(register int i=cur[x];i&∑i=p[i].net) {
                                             ^