0_0_27394682_29601.cpp: In function 'bool dfs(int, int)':
0_0_27394682_29601.cpp:23:45: error: too few arguments to function 'bool dfs(int, int)'
if (link[y] == -1 || dfs(link[y])) {
^
0_0_27394682_29601.cpp:19:6: note: declared here
bool dfs(int x,int col){
^
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