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View Compilation Error

0_0_37774949_24444.cpp: In function 'void dfs(long long int, long long int)':
0_0_37774949_24444.cpp:65:13: error: expected unqualified-id before '[' token
     for(auto[x,y]:f[u])
             ^
0_0_37774949_24444.cpp:65:13: error: expected ';' before '[' token
0_0_37774949_24444.cpp:65:14: error: 'x' was not declared in this scope
     for(auto[x,y]:f[u])
              ^
0_0_37774949_24444.cpp:65:16: error: 'y' was not declared in this scope
     for(auto[x,y]:f[u])
                ^
0_0_37774949_24444.cpp: In lambda function:
0_0_37774949_24444.cpp:65:18: error: expected '{' before ':' token
     for(auto[x,y]:f[u])
                  ^
0_0_37774949_24444.cpp: In function 'void dfs(long long int, long long int)':
0_0_37774949_24444.cpp:65:18: error: expected ';' before ':' token
0_0_37774949_24444.cpp:65:18: error: expected primary-expression before ':' token
0_0_37774949_24444.cpp:65:18: error: expected ')' before ':' token
0_0_37774949_24444.cpp:65:18: error: expected primary-expression before ':' token
0_0_37774949_24444.cpp: In function 'long long int topo()':
0_0_37774949_24444.cpp:96:17: error: expected unqualified-id before '[' token
         for(auto[x,y]:L[p])
                 ^
0_0_37774949_24444.cpp:96:17: error: expected ';' before '[' token
0_0_37774949_24444.cpp:96:18: error: 'x' was not declared in this scope
         for(auto[x,y]:L[p])
                  ^
0_0_37774949_24444.cpp:96:20: error: 'y' was not declared in this scope
         for(auto[x,y]:L[p])
                    ^
0_0_37774949_24444.cpp: In lambda function:
0_0_37774949_24444.cpp:96:22: error: expected '{' before ':' token
         for(auto[x,y]:L[p])
                      ^
0_0_37774949_24444.cpp: In function 'long long int topo()':
0_0_37774949_24444.cpp:96:22: error: expected ';' before ':' token
0_0_37774949_24444.cpp:96:22: error: expected primary-expression before ':' token
0_0_37774949_24444.cpp:96:22: error: expected ')' before ':' token
0_0_37774949_24444.cpp:96:22: error: expected primary-expression before ':' token


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