View Compilation Error

0_0_37712924_3760.cpp: In function 'int main()':
0_0_37712924_3760.cpp:68:22: error: expected unqualified-id before '[' token
             for(auto [v,w,k]:g[x]) {
                      ^
0_0_37712924_3760.cpp:68:22: error: expected ';' before '[' token
0_0_37712924_3760.cpp:68:23: error: 'v' was not declared in this scope
             for(auto [v,w,k]:g[x]) {
                       ^
0_0_37712924_3760.cpp:68:25: error: 'w' was not declared in this scope
             for(auto [v,w,k]:g[x]) {
                         ^
0_0_37712924_3760.cpp: In lambda function:
0_0_37712924_3760.cpp:68:29: error: expected '{' before ':' token
             for(auto [v,w,k]:g[x]) {
                             ^
0_0_37712924_3760.cpp: In function 'int main()':
0_0_37712924_3760.cpp:68:29: error: expected ';' before ':' token
0_0_37712924_3760.cpp:68:29: error: expected primary-expression before ':' token
0_0_37712924_3760.cpp:68:29: error: expected ')' before ':' token
0_0_37712924_3760.cpp:68:29: error: expected primary-expression before ':' token