0分_我崩溃了

一位准备来考三级的人做的

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int t=0,k=0,h;
    string a;
    string b[105]={};
    string c[105]={};
    cin>>a;
    char g=getchar();
    for(int i=0;i<105;i++)
    {
        if(g==',')
        {
            h=t;
            t=i;
            for(int j=h;j<t;j++)
            {
                b[k]+=a[j];
            }
            k++;
        }
        for(int j=h;j<t;j++)
        {
            b[k]+=a[j];
        }
    }
    for(int i=0;i<k;i++)
    {
        if((b[i].find("!")!=string::npos||b[i].find("@")!=string::npos||b[i].find("#")!=string::npos||b[i].find("$")!=string::npos)&&(b[i].length()>=6||b[i].length()<=12)&&((b[i].find("a")!=string::npos||b[i].find("b")!=string::npos||b[i].find("c")!=string::npos||b[i].find("d")!=string::npos||b[i].find("e")!=string::npos||b[i].find("f")!=string::npos||b[i].find("g")!=string::npos||b[i].find("h")!=string::npos||b[i].find("i")!=string::npos||b[i].find("j")!=string::npos||b[i].find("k")!=string::npos||b[i].find("l")!=string::npos||b[i].find("m")!=string::npos||b[i].find("n")!=string::npos||b[i].find("o")!=string::npos||b[i].find("p")!=string::npos||b[i].find("q")!=string::npos||b[i].find("r")!=string::npos||b[i].find("s")!=string::npos||b[i].find("t")!=string::npos||b[i].find("u")!=string::npos||b[i].find("v")!=string::npos||b[i].find("w")!=string::npos||b[i].find("x")!=string::npos||b[i].find("y")!=string::npos||b[i].find("z")!=string::npos)+(b[i].find("A")!=string::npos||b[i].find("B")!=string::npos||b[i].find("C")!=string::npos||b[i].find("D")!=string::npos||b[i].find("E")!=string::npos||b[i].find("F")!=string::npos||b[i].find("G")!=string::npos||b[i].find("H")!=string::npos||b[i].find("I")!=string::npos||b[i].find("J")!=string::npos||b[i].find("K")!=string::npos||b[i].find("L")!=string::npos||b[i].find("M")!=string::npos||b[i].find("N")!=string::npos||b[i].find("O")!=string::npos||b[i].find("P")!=string::npos||b[i].find("Q")!=string::npos||b[i].find("R")!=string::npos||b[i].find("S")!=string::npos||b[i].find("T")!=string::npos||b[i].find("U")!=string::npos||b[i].find("V")!=string::npos||b[i].find("W")!=string::npos||b[i].find("X")!=string::npos||b[i].find("Y")!=string::npos||b[i].find("Z")!=string::npos)+(b[i].find("0")!=string::npos||b[i].find("1")!=string::npos||b[i].find("2")!=string::npos||b[i].find("3")!=string::npos||b[i].find("4")!=string::npos||b[i].find("5")!=string::npos||b[i].find("6")!=string::npos||b[i].find("7")!=string::npos||b[i].find("8")!=string::npos||b[i].find("9")!=string::npos)>=2)&&(b[i].find("~")==string::npos||b[i].find("`")==string::npos||b[i].find("%")==string::npos||b[i].find("^")==string::npos||b[i].find("&")==string::npos||b[i].find("*")==string::npos||b[i].find("(")==string::npos||b[i].find(")")==string::npos||b[i].find("_")==string::npos||b[i].find("-")==string::npos||b[i].find("+")==string::npos||b[i].find("=")==string::npos||b[i].find("{")==string::npos||b[i].find("}")==string::npos||b[i].find("|")==string::npos||b[i].find(";")==string::npos||b[i].find(":")==string::npos||b[i].find("'")==string::npos||b[i].find(",")==string::npos||b[i].find("<")==string::npos||b[i].find(".")==string::npos||b[i].find(">")==string::npos||b[i].find("?")==string::npos||b[i].find("/")==string::npos))
        {
            cout<<b[i]<<endl;
        }
    }
    return 0;
}

0分,我不知道怎么调/简化,求助!