0_0_20778325_13986.cpp: In member function 'int DLX::h()':
0_0_20778325_13986.cpp:30:36: error: 'memset' was not declared in this scope
memset(vis, 0 , sizeof(vis));
^
0_0_20778325_13986.cpp: In member function 'void DLX::dfs(const int&)':
0_0_20778325_13986.cpp:46:30: error: 'min' is not a member of 'std'
if(!R[0]) ret = std::min(ret , k) ;
^
0_0_20778325_13986.cpp: In member function 'void DLX::init(int)':
0_0_20778325_13986.cpp:94:30: error: 'memset' was not declared in this scope
memset(H,-1,sizeof(H));
^
0_0_20778325_13986.cpp: In function 'int main()':
0_0_20778325_13986.cpp:133:7: error: 'cin' was not declared in this scope
cin>>t ;
^
0_0_20778325_13986.cpp:135:34: error: 'scanf' was not declared in this scope
scanf("%d%d" , &n , &k) ;
^
0_0_20778325_13986.cpp:144:24: error: 'sort' was not declared in this scope
sort(a , a+m) ;
^
0_0_20778325_13986.cpp:145:30: error: 'unique' was not declared in this scope
m = unique(a , a+m) - a ;
^
0_0_20778325_13986.cpp:146:51: error: 'printf' was not declared in this scope
printf("Case #%d: %I64d\n" , T++ , bs()) ;
^
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