View Compilation Error

0_0_29142698_3650.cpp: In function 'int main()':
0_0_29142698_3650.cpp:75:18: error: found ':' in nested-name-specifier, expected '::'
             for(v:G[i]){
                  ^
0_0_29142698_3650.cpp:75:17: error: 'v' has not been declared
             for(v:G[i]){
                 ^
0_0_29142698_3650.cpp:80:9: error: expected primary-expression before '}' token
         }
         ^
0_0_29142698_3650.cpp:80:9: error: expected ';' before '}' token
0_0_29142698_3650.cpp:80:9: error: expected primary-expression before '}' token
0_0_29142698_3650.cpp:80:9: error: expected ')' before '}' token
0_0_29142698_3650.cpp:80:9: error: expected primary-expression before '}' token