0_0_36896511_3215.cpp: In function 'void build()':
0_0_36896511_3215.cpp:67:20: error: expected unqualified-id before '[' token
for (auto& [a, b, to] : out[i]) G[i].push_back({to, a});
^
0_0_36896511_3215.cpp:67:20: error: expected ';' before '[' token
0_0_36896511_3215.cpp:67:21: error: 'a' was not declared in this scope
for (auto& [a, b, to] : out[i]) G[i].push_back({to, a});
^
0_0_36896511_3215.cpp:67:24: error: 'b' was not declared in this scope
for (auto& [a, b, to] : out[i]) G[i].push_back({to, a});
^
0_0_36896511_3215.cpp:67:27: error: 'to' was not declared in this scope
for (auto& [a, b, to] : out[i]) G[i].push_back({to, a});
^
0_0_36896511_3215.cpp: In lambda function:
0_0_36896511_3215.cpp:67:31: error: expected '{' before ':' token
for (auto& [a, b, to] : out[i]) G[i].push_back({to, a});
^
0_0_36896511_3215.cpp: In function 'void build()':
0_0_36896511_3215.cpp:67:31: error: expected ';' before ':' token
0_0_36896511_3215.cpp:67:31: error: expected primary-expression before ':' token
0_0_36896511_3215.cpp:67:31: error: expected ')' before ':' token
0_0_36896511_3215.cpp:67:31: error: expected primary-expression before ':' token
0_0_36896511_3215.cpp:67:63: error: expected primary-expression before ')' token
for (auto& [a, b, to] : out[i]) G[i].push_back({to, a});
^
0_0_36896511_3215.cpp: In function 'void solve(int)':
0_0_36896511_3215.cpp:80:35: error: converting to 'std::vector<std::tuple<int, int, int> >::value_type {aka std::tuple<int, int, int>}' from initializer list would use explicit constructor 'constexpr std::tuple< <template-parameter-1-1> >::tuple(_UElements&& ...) [with _UElements = {int&, int&, int&}; <template-parameter-2-2> = void; _Elements = {int, int, int}]'
out[u].push_back({a, b, v}), deg[u]++;
^
0_0_36896511_3215.cpp:81:34: error: converting to 'std::vector<std::tuple<int, int, int> >::value_type {aka std::tuple<int, int, int>}' from initializer list would use explicit constructor 'constexpr std::tuple< <template-parameter-1-1> >::tuple(_UElements&& ...) [with _UElements = {int&, int&, int&}; <template-parameter-2-2> = void; _Elements = {int, int, int}]'
in[v].push_back({a, b, u});
^
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