0_0_18429538_3865.cpp: In function 'void topsort()':
0_0_18429538_3865.cpp:57:4: error: 'q' was not declared in this scope
q[r]=i;
^
0_0_18429538_3865.cpp:69:7: error: 'q' was not declared in this scope
u=q[l]; sum--; i=head[u];
^
0_0_18429538_3865.cpp:72:9: error: 'e' was not declared in this scope
v=e[i].v; d[v]--;
^
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