please help me with c++

Question

please help me with c++
please help me with c++
please help me with c++
please help me with c++please help me with c++please help me with c++please help me with c++

Answer 1

#include <bits/stdc++.h>
using namespace std;
string ma;
bool cmp(string x) {
    int px = x.find(".");
    int pm = ma.find(".");
    string ix, fx, im, fm;
    if (px == -1 && pm == -1) {
        if (x.size() > ma.size() || (x.size() == ma.size() && x > ma)) return true;
    } else if (px!=-1 && pm !=-1) {
        ix = x.substr(0, px);
        fx = x.substr(px + 1);
        im = ma.substr(0, pm);
        fm = ma.substr(pm + 1);
    } else if (px != -1) {
        ix = x.substr(0, px);
        fx = x.substr(px + 1);
        im = ma;
    } else {
        ix = x;
        im = ma.substr(0, pm);
        fm = ma.substr(pm + 1);
    }
    if (ix.size() > im.size() || (ix.size() > im.size() && ix > im)) return true;
    else if (ix == im && fx > fm) return true;
    return false;
}
int main() {
    string s, w;
    getline(cin, s);
    for (int i = 0; i < s.size(); i++) {
        if (isdigit(s[i]) || s[i] == '.') {
            w += s[i];
            if (i == s.size() - 1 || (!isdigit(s[i + 1]) && s[i + 1] != '.')) {
                if (cmp(w)) ma = w;
                w = "";
            }
        }
    }
    cout << ma;
}