c++ - what's wrong with std::remove_if in this code -
solution.cc:14:47: error: no matching function call 'remove_if(std::basic_string::iterator, std::basic_string::iterator, )'
#include <iostream> #include <algorithm> using namespace std; int main() { /* enter code here. read input stdin. print output stdout */ string s; std::getline(cin, s); std::transform(s.begin(), s.end(), s.begin(), ::tolower); std::remove_if(s.begin(), s.end(), isspace); // cout<<s; int len=s.length(); len=len+90; bool temp; bool value[len]; for(int i=0;i<len;i++) { int x=(int)s[i]; if(value[x]!=1) value[x]=1; } for(int i=65;i<=90;i++) if(value[i]==1) {temp=true;continue;} else {temp=false;break;} if(temp) cout<<"pangram"<<endl; else cout<<"not pangram"<<endl; return 0; }
i tried compiling code in g++ 4.9.1. exact error is:
in function
int main(): error: no matching function call 'remove_if(std::basic_string::iterator, std::basic_string::iterator, unresolved overloaded function type)'
this didn't happen call std::transform because specified tolower you're using.
isspace defined both in global namespace , in namespace std, when have using namespace std, , write isspace, there's ambiguity. specific, there's 1 overload in <cctype> , defined in <locale>.
just write ::isspace , you're go.
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