src.cpp: In function 'void Dtra(int)':
src.cpp:20:19: error: expected unqualified-id before '[' token
for( auto [w,v] : a[u])
^
src.cpp:20:19: error: expected ';' before '[' token
src.cpp:20:20: error: 'w' was not declared in this scope
for( auto [w,v] : a[u])
^
src.cpp:20:22: warning: capture of variable 'v' with non-automatic storage duration
for( auto [w,v] : a[u])
^
src.cpp:4:14: note: 'int v' declared here
int n, m, u, v, c, s, t;
^
src.cpp: In lambda function:
src.cpp:20:25: error: expected '{' before ':' token
for( auto [w,v] : a[u])
^
src.cpp: In function 'void Dtra(int)':
src.cpp:20:25: error: expected ';' before ':' token
src.cpp:20:25: error: expected primary-expression before ':' token
src.cpp:20:25: error: expected ')' before ':' token
src.cpp:20:25: error: expected primary-expression before ':' token