View Compilation Error

0_0_37818256_12786.cpp: In function 'void work()':
0_0_37818256_12786.cpp:39:18: error: expected unqualified-id before '[' token
         for(auto [val, num] : V) {
                  ^
0_0_37818256_12786.cpp:39:18: error: expected ';' before '[' token
0_0_37818256_12786.cpp: In lambda function:
0_0_37818256_12786.cpp:39:29: error: expected '{' before ':' token
         for(auto [val, num] : V) {
                             ^
0_0_37818256_12786.cpp: In function 'void work()':
0_0_37818256_12786.cpp:39:29: error: could not convert '<lambda closure object>work()::<lambda()>{val, num}' from 'work()::<lambda()>' to 'bool'
0_0_37818256_12786.cpp:39:29: error: expected ';' before ':' token
0_0_37818256_12786.cpp:39:29: error: expected primary-expression before ':' token
0_0_37818256_12786.cpp:39:29: error: expected ')' before ':' token
0_0_37818256_12786.cpp:39:29: error: expected primary-expression before ':' token