View Compilation Error

0_0_38272356_23390.cpp: In function 'void solve()':
0_0_38272356_23390.cpp:73:15: error: expected unqualified-id before '[' token
     for (auto [x, y] : ans)
               ^
0_0_38272356_23390.cpp:73:15: error: expected ';' before '[' token
0_0_38272356_23390.cpp:73:16: error: 'x' was not declared in this scope
     for (auto [x, y] : ans)
                ^
0_0_38272356_23390.cpp:73:19: error: 'y' was not declared in this scope
     for (auto [x, y] : ans)
                   ^
0_0_38272356_23390.cpp: In lambda function:
0_0_38272356_23390.cpp:73:22: error: expected '{' before ':' token
     for (auto [x, y] : ans)
                      ^
0_0_38272356_23390.cpp: In function 'void solve()':
0_0_38272356_23390.cpp:73:22: error: expected ';' before ':' token
0_0_38272356_23390.cpp:73:22: error: expected primary-expression before ':' token
0_0_38272356_23390.cpp:73:22: error: expected ')' before ':' token
0_0_38272356_23390.cpp:73:22: error: expected primary-expression before ':' token