View Compilation Error

0_0_1209124_461.cpp: In function `void shortestpath(int, int)':
0_0_1209124_461.cpp:20: error: name lookup of `v' changed for new ISO `for' scoping
0_0_1209124_461.cpp:12: error:   using obsolete binding at `v'
0_0_1209124_461.cpp:22: error: name lookup of `w' changed for new ISO `for' scoping
0_0_1209124_461.cpp:18: error:   using obsolete binding at `w'