站外题求hack！！（玄关）

linjinkun @ 2024-09-17 16:36:30

by linjinkun @ 2024-09-17 16:37:54

哦，忘了发代码了

#include<bits/stdc++.h>
using namespace std;
signed main()
{
    freopen("uqe.in","r",stdin);
    freopen("uqe.out","w",stdout);
    string n;
    cin >> n;
    int xishu1 = 0,xishu2 = 0,shuliang1 = 0,shuliang2 = 0;
    int num = 0;
    int ans1 = 0,ans2 = 0,ans3 = 0;
    for(int i = 1;n[i]!='x';i++)
    {
        xishu1 = xishu1*10+n[i]-'0';
        ans1++;
    }
    for(int i = 0;i<n.size();i++)
    {
        if(n[i] == '('&&num == 1)
        {
            for(int j = i+1;n[j]!='x';j++)
            {
                ans2++;
                xishu2 = xishu2*10+n[j]-'0'; 
            }
            break;
        }
        else if(n[i] == '(')
        {
            num++;
        }
    }
    for(int i = ans1+3;n[i]!=')';i++)
    {
        ans3++;
        shuliang1 = shuliang1*10+n[i]-'0';
    }
    for(int i = ans1+ans3+ans2+7;n[i]!=')';i++)
    {
        shuliang2 = shuliang2*10+n[i]-'0';
    }
    int ercifangji = 0,yicifangji = 0,lingcifangji = 0;
    ercifangji+=xishu1*xishu2;
    yicifangji+=xishu1*shuliang2;
    yicifangji+=shuliang1*xishu2;
    lingcifangji+=shuliang1*shuliang2;
    struct node
    {
        int x;
        int y;
    }cnt[10];
    int k = 0;
    if(ercifangji!=0)
    {
        cnt[++k].x = ercifangji;
        cnt[k].y = 2;
    }
    if(yicifangji!=0)
    {
        cnt[++k].x = yicifangji;
        cnt[k].y = 1;
    }
    if(lingcifangji!=0)
    {
        cnt[++k].x = lingcifangji;
        cnt[k].y = 0;
    }
    for(int i = 1;i<=k;i++)
    {
        if(cnt[i].y == 2)
        {
            if(cnt[i].x == 1)
            {
                printf("x^2");
            }
            else
            {
                printf("%dx^2",cnt[i].x);
            }
        }
        else if(cnt[i].y == 1)
        {
            if(cnt[i].x == 1)
            {
                printf("x");
            }
            else
            {
                printf("%dx",cnt[i].x);
            }
        }
        else if(cnt[i].y == 0)
        {
            printf("%d",cnt[i].x);
        }
        if(i!=k)
        {
            printf("+");
        }
    }
    if(ercifangji == 0)
    {
        if(yicifangji == 0&&lingcifangji!=0)
        {
            printf("\nNo");
        }
        else if(yicifangji == 0&&lingcifangji == 0)
        {
            printf("\n0");
        }
        else
        {
            if((0-lingcifangji)/yicifangji*yicifangji == 0-lingcifangji)
            {
                printf("\n%d",(0-lingcifangji)/yicifangji);
            }
            else
            {
                printf("\nNo");
            }
        }
    }
    else
    {
        if(yicifangji*yicifangji-4*ercifangji*lingcifangji<0)
        {
            printf("\nNo");
        }
        else
        {
            double t = double(-yicifangji+sqrt(yicifangji*yicifangji-4*ercifangji*lingcifangji))/double(2*ercifangji);
            double t1 = double(-yicifangji-sqrt(yicifangji*yicifangji-4*ercifangji*lingcifangji))/double(2*ercifangji);
            int s = t;
            int s1 = t1;
            if(s == t||s1 == t1)
            {
                printf("\n%d",(s == t)?s:s1);
            }
            else
            {
                printf("\nNo");
            }
        }
    }
    return 0;
}

为什么只有 10 分？？