View Compilation Error

0_0_37829822_1018.cpp: In function 'void solve()':
0_0_37829822_1018.cpp:68:12: error: expected unqualified-id before '[' token
  for (auto [x, y] : v) {
            ^
0_0_37829822_1018.cpp:68:12: error: expected ';' before '[' token
0_0_37829822_1018.cpp:68:13: error: 'x' was not declared in this scope
  for (auto [x, y] : v) {
             ^
0_0_37829822_1018.cpp:68:16: error: 'y' was not declared in this scope
  for (auto [x, y] : v) {
                ^
0_0_37829822_1018.cpp: In lambda function:
0_0_37829822_1018.cpp:68:19: error: expected '{' before ':' token
  for (auto [x, y] : v) {
                   ^
0_0_37829822_1018.cpp: In function 'void solve()':
0_0_37829822_1018.cpp:68:19: error: expected ';' before ':' token
0_0_37829822_1018.cpp:68:19: error: expected primary-expression before ':' token
0_0_37829822_1018.cpp:68:19: error: expected ')' before ':' token
0_0_37829822_1018.cpp:68:19: error: expected primary-expression before ':' token