View Compilation Error

0_0_36920703_20065.cpp: In function 'void solve()':
0_0_36920703_20065.cpp:86:15: error: expected unqualified-id before '[' token
     for (auto [v, i] : raw_map)
               ^
0_0_36920703_20065.cpp:86:15: error: expected ';' before '[' token
0_0_36920703_20065.cpp:86:16: error: 'v' was not declared in this scope
     for (auto [v, i] : raw_map)
                ^
0_0_36920703_20065.cpp:86:19: error: 'i' was not declared in this scope
     for (auto [v, i] : raw_map)
                   ^
0_0_36920703_20065.cpp: In lambda function:
0_0_36920703_20065.cpp:86:22: error: expected '{' before ':' token
     for (auto [v, i] : raw_map)
                      ^
0_0_36920703_20065.cpp: In function 'void solve()':
0_0_36920703_20065.cpp:86:22: error: expected ';' before ':' token
0_0_36920703_20065.cpp:86:22: error: expected primary-expression before ':' token
0_0_36920703_20065.cpp:86:22: error: expected ')' before ':' token
0_0_36920703_20065.cpp:86:22: error: expected primary-expression before ':' token