View Compilation Error

0_0_37457769_22307.cpp: In function 'void solve()':
0_0_37457769_22307.cpp:25:20: error: expected unqualified-id before '[' token
         for (auto &[x, y] : vc[i]) {
                    ^
0_0_37457769_22307.cpp:25:20: error: expected ';' before '[' token
0_0_37457769_22307.cpp: In lambda function:
0_0_37457769_22307.cpp:25:27: error: expected '{' before ':' token
         for (auto &[x, y] : vc[i]) {
                           ^
0_0_37457769_22307.cpp: In function 'void solve()':
0_0_37457769_22307.cpp:25:27: error: could not convert '<lambda closure object>solve()::<lambda()>{x, y}' from 'solve()::<lambda()>' to 'bool'
0_0_37457769_22307.cpp:25:27: error: expected ';' before ':' token
0_0_37457769_22307.cpp:25:27: error: expected primary-expression before ':' token
0_0_37457769_22307.cpp:25:27: error: expected ')' before ':' token
0_0_37457769_22307.cpp:25:27: error: expected primary-expression before ':' token