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#include<bits/stdc++.h>
typedef long long ll ;
 
string clrstr(string str) {
    string cpa = "" ;
    bool f1 = 0 ;
    for(int i=0;i<str.length();i++) {
        if(str[i] != '0') {
            f1 = 1 ;
        }
        if(f1) cpa += str[i] ;
    }
    if(cpa == "") return "0" ;
    return cpa ;
}
 
int compa(string stra,string strb) { 
    int ans = 0 ;
    int len1 = stra.length() ;
    int len2 = strb.length() ;
    if(len1 > len2) ans = 1 ;
    else if(len1 < len2) ans = -1 ;
    if(ans == 0) {
        for(int i=0;i<len1;i++) {
            if(stra[i] > strb[i]) {
                ans = 1 ;
                break ;
            }
            else if(stra[i] < strb[i]) {
                ans = -1 ;
                break ;
            }
        }
    }
    return ans ;
}
 
int Solution::compareVersion(string A, string B) {
    vector<string> vta ;
    string wait = "" ;
    char chr = '0' ;
    ll num ;
    for(ll i=0;i<A.length();i++) {
        chr = A[i] ;
        if(chr != '.') wait += chr ;
        else {
            vta.push_back(clrstr(wait)) ;
            wait = "" ;
        }
    }
    if(wait != "") {
        vta.push_back(clrstr(wait)) ;
    }
    // for(auto it:vta) cout << it << ' ' ;
    // cout << "-\n" ;
 
 
    wait = "" ;
    vector<string> vtb ;
    for(ll i=0;i<B.length();i++) {
        chr = B[i] ;
        if(chr != '.') wait += chr ;
        else {
            vtb.push_back(clrstr(wait)) ;
            wait = "" ;
        }
    }
    if(wait != "") {
        vtb.push_back(clrstr(wait)) ;
    }
    // for(auto it:vtb) cout << it << ' ' ;
    // cout << "_\n" ;
 
 
    ll mini = min(vta.size(), vtb.size()) ;
    int f1 = 0 ;
    for(ll i=0;i<mini;i++) {
        int ans = compa(vta[i], vtb[i]) ;
        // cout << ans << '_' ;
        if(ans != 0) {
            f1 = ans ;
            break ;
        }
    }
    // cout << endl ;
    if(f1 == 0) {
        if(vta.size()>vtb.size()) {
            for(int i=mini;i<vta.size();i++) {
                int ans = compa(vta[i],"0") ;
                f1 = ans ;
            }
        }
        else if(vta.size()<vtb.size()) {
            for(int i=mini;i<vtb.size();i++) {
                int ans = compa("0",vtb[i]) ;
                f1 = ans ;
            }
        }
    }
    return f1;
}

prog.cpp:4:1: error: ‘string’ does not name a type; did you mean ‘stdin’?
 string clrstr(string str) {
 ^~~~~~
 stdin
prog.cpp:17:11: error: ‘string’ was not declared in this scope
 int compa(string stra,string strb) {
           ^~~~~~
prog.cpp:17:11: note: suggested alternative:
In file included from /usr/include/c++/8/iosfwd:39,
                 from /usr/include/c++/8/ios:38,
                 from /usr/include/c++/8/istream:38,
                 from /usr/include/c++/8/sstream:38,
                 from /usr/include/c++/8/complex:45,
                 from /usr/include/c++/8/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/8/bits/stdc++.h:52,
                 from prog.cpp:1:
/usr/include/c++/8/bits/stringfwd.h:74:33: note:   ‘std::__cxx11::string’
   typedef basic_string<char>    string;
                                 ^~~~~~
prog.cpp:17:23: error: ‘string’ was not declared in this scope
 int compa(string stra,string strb) {
                       ^~~~~~
prog.cpp:17:23: note: suggested alternative:
In file included from /usr/include/c++/8/iosfwd:39,
                 from /usr/include/c++/8/ios:38,
                 from /usr/include/c++/8/istream:38,
                 from /usr/include/c++/8/sstream:38,
                 from /usr/include/c++/8/complex:45,
                 from /usr/include/c++/8/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/8/bits/stdc++.h:52,
                 from prog.cpp:1:
/usr/include/c++/8/bits/stringfwd.h:74:33: note:   ‘std::__cxx11::string’
   typedef basic_string<char>    string;
                                 ^~~~~~
prog.cpp:17:34: error: expression list treated as compound expression in initializer [-fpermissive]
 int compa(string stra,string strb) {
                                  ^
prog.cpp:38:5: error: ‘Solution’ has not been declared
 int Solution::compareVersion(string A, string B) {
     ^~~~~~~~
prog.cpp:38:30: error: ‘string’ was not declared in this scope
 int Solution::compareVersion(string A, string B) {
                              ^~~~~~
prog.cpp:38:30: note: suggested alternative:
In file included from /usr/include/c++/8/iosfwd:39,
                 from /usr/include/c++/8/ios:38,
                 from /usr/include/c++/8/istream:38,
                 from /usr/include/c++/8/sstream:38,
                 from /usr/include/c++/8/complex:45,
                 from /usr/include/c++/8/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/8/bits/stdc++.h:52,
                 from prog.cpp:1:
/usr/include/c++/8/bits/stringfwd.h:74:33: note:   ‘std::__cxx11::string’
   typedef basic_string<char>    string;
                                 ^~~~~~
prog.cpp:38:40: error: ‘string’ was not declared in this scope
 int Solution::compareVersion(string A, string B) {
                                        ^~~~~~
prog.cpp:38:40: note: suggested alternative:
In file included from /usr/include/c++/8/iosfwd:39,
                 from /usr/include/c++/8/ios:38,
                 from /usr/include/c++/8/istream:38,
                 from /usr/include/c++/8/sstream:38,
                 from /usr/include/c++/8/complex:45,
                 from /usr/include/c++/8/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/8/bits/stdc++.h:52,
                 from prog.cpp:1:
/usr/include/c++/8/bits/stringfwd.h:74:33: note:   ‘std::__cxx11::string’
   typedef basic_string<char>    string;
                                 ^~~~~~
prog.cpp:38:48: error: expression list treated as compound expression in initializer [-fpermissive]
 int Solution::compareVersion(string A, string B) {
                                                ^

Standard output is empty