0_0_20987870_3643.cpp: In function 'LL dfs(int)':
0_0_20987870_3643.cpp:23:17: error: 'node' was not declared in this scope
for (vector<node>::iterator i = tree[x].begin(); i != tree[x].end(); i++) {
^
0_0_20987870_3643.cpp:23:21: error: template argument 1 is invalid
for (vector<node>::iterator i = tree[x].begin(); i != tree[x].end(); i++) {
^
0_0_20987870_3643.cpp:23:21: error: template argument 2 is invalid
0_0_20987870_3643.cpp:23:33: error: invalid type in declaration before 'i'
for (vector<node>::iterator i = tree[x].begin(); i != tree[x].end(); i++) {
^
0_0_20987870_3643.cpp:23:33: error: expected ';' before 'i'
0_0_20987870_3643.cpp:23:33: error: 'i' was not declared in this scope
0_0_20987870_3643.cpp:23:72: error: expected ')' before ';' token
for (vector<node>::iterator i = tree[x].begin(); i != tree[x].end(); i++) {
^
0_0_20987870_3643.cpp:23:74: error: 'i' was not declared in this scope
for (vector<node>::iterator i = tree[x].begin(); i != tree[x].end(); i++) {
^
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