最后一个测试点测出来了一点

呆呆的她啊 @ 2023-10-08 23:56:50

by 呆呆的她啊 @ 2023-10-08 23:57:21

#include <iostream>
#include <math.h>
using namespace std;
bool s1 = 0;
bool s2 = 0;
int main() {
    double s, v;
    cin >> s >> v;
    int g = 0;
    double c = 0;
    c = s / v;
    int h = s / v;
//2 1
    if (c - h != 0) g = h + 1;
    else if (c - h == 0 && c != 0) {

        if (v == 1)g = s;
        else g = s / v;
    }
    int num = 0;
    g = g + 10;
//  cout<<g;
    while (g / 60 > 0) {
        num++;
        g = g - 60;
    }
    //cout<<g<<endl;
//  cout << num << endl;
    if (60 - g < 10) s1 = 1;
    //cout<<s1;
    if (num >= 8) {
        if (24 - (num - 7) < 10)s2 = 1;
        //  cout<<s2<<"     "<<num<<endl;
        num = num - 8;

        if (60 - g < 10 && s2)  cout << "0" << 23 - num << ":" << "0" << 60 - g;
        else if (s1 && !s2)     cout << 23 - num << ":" << "0" << 60 - g;
        else if (!s1 && !s2) {
            if (60 - g == 60)

            {
                num = num- 1;
                g = g + 60;cout << 23 - num << ":" << 60 - g<<"0";
            }
        else 
            cout << 23 - num << ":" << 60 - g;
        } else if (!s1 && s2) {
            if (60 - g == 60)

            {
                num = num -1;
                g = g + 60; cout << "0" << 23 - num << ":" << 60 - g<<"0";
            }
        else    cout << "0" << 23 - num << ":" << 60 - g;
        }
    } 
    else    if (num < 8) {
        if (60 - g < 10) {
            cout << "0" << 7 - num << ":" << "0" << 60 - g;
        } else 
        {

            if(60-g==60)

            {   num=num-1;g=g+60;cout << "0" << 7 - num << ":" << 60 - g<<"0";}
        else    cout << "0" << 7 - num << ":" << 60 - g;
        }
    }
    return 0;
}

by Orz___zrO @ 2023-10-09 07:39:20

@呆呆的她啊

我的思路：

先计算出从家走到学校所需要的时间长度，再加上垃圾分类所花费的时间，得到上学前需要的总时间。

然后从8：00开始一分钟一分钟地向前模拟，直到时间为0，这样就得到了最晚出发的时间点。

by 呆呆的她啊 @ 2023-10-09 10:17:49

@Orz___zrO @Orz___zrO 思路好哇