View Compilation Error

0_0_37702802_5177.cpp: In function 'int main()':
0_0_37702802_5177.cpp:107:14: error: expected unqualified-id before '[' token
   for (auto& [l, r] : v) {
              ^
0_0_37702802_5177.cpp:107:14: error: expected ';' before '[' token
0_0_37702802_5177.cpp:107:15: error: 'l' was not declared in this scope
   for (auto& [l, r] : v) {
               ^
0_0_37702802_5177.cpp:107:18: error: 'r' was not declared in this scope
   for (auto& [l, r] : v) {
                  ^
0_0_37702802_5177.cpp: In lambda function:
0_0_37702802_5177.cpp:107:21: error: expected '{' before ':' token
   for (auto& [l, r] : v) {
                     ^
0_0_37702802_5177.cpp: In function 'int main()':
0_0_37702802_5177.cpp:107:21: error: expected ';' before ':' token
0_0_37702802_5177.cpp:107:21: error: expected primary-expression before ':' token
0_0_37702802_5177.cpp:107:21: error: expected ')' before ':' token
0_0_37702802_5177.cpp:107:21: error: expected primary-expression before ':' token