作业统计系统
蒟蒻自己开发的作业统计系统，虽然很简单但是可以满足老师较大部分的需求，代码如下
编译器：DEV C++
可执行文件
#include <iostream>
#include <windows.h>
#include <time.h>
#include <conio.h>
#include <vector>
#include <algorithm>
#define int long long
using namespace std;
int all, snum, sum_pts, sum, pts, mmin = 0x3f3f3f3f3f, mmax, max_name, q[5000], qnum;
short wait_time = 20;
double av_pts;
pair<int, string> rrnk[5000];
char _;
int find_size(int x)
{
int cnt = 0;
while (x != 0)
{
cnt++;
x /= 10;
}
return cnt;
}
int read()
{
int x = 0, f = 1;
char ch = getchar();
while (ch == ' ')
ch = getchar();
if (ch == '-')
{
f = -1;
ch = '0';
}
while (ch <= '9' && ch >= '0')
{
x = x * 10 + ch - 48;
ch = getchar();
}
return x * f;
}
void show(bool f)
{
CONSOLE_CURSOR_INFO cursor_info = {20, f};
SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cursor_info);
}
void c(string a)
{
int l = a.size();
for (int i = 0; i < l; i++)
{
cout << a[i];
Sleep(wait_time);
}
printf("\n");
}
void cc(string a)
{
int l = a.size();
for (int i = 0; i < l; i++)
{
cout << a[i];
Sleep(wait_time);
}
}
struct node
{
string name;
int p[5000], pts;
} a[5000];
void gotoxy(int x = 0, int y = 0)
{
COORD c;
c.X = x, c.Y = y;
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), c);
}
void cls(int p)
{
printf("\b");
for (int i = 1; i <= p; i++)
cout << ' ';
}
void color(int n)
{
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), n);
}
void js()
{
show(0);
c("欢迎使用智能作业统计系统\n");
c("此程序可以帮助老师对每次考试的成绩进行分析与总结\n");
c("1.开始使用");
c("2.关于程序");
c("3.急速模式");
_ = _getch();
while (_ != '1' && _ != '2' && _ != '3')
{
_ = _getch();
}
system("CLS");
if (_ == '3')
{
if (wait_time == 20)
{
wait_time = 2;
c("开启急速模式");
Sleep(200);
}
else
{
wait_time = 20;
c("关闭急速模式");
Sleep(200);
}
system("CLS");
js();
}
return;
}
void warning()
{
cc("此程序的作者："), color(175), cc("未抑郁的刘大狗"), color(7), puts("\n");
c("注意：在程序运行中请不要随意输入字符，否则字符全部会停留在缓冲区中");
c(" 这将导致在运行中用错误的输入，影响程序的正常运行");
_getch();
system("CLS");
}
void pre_us()
{
c("请一次输入每个题目的分数");
cc("结束请输入"), color(79), cout << 123456, color(7), puts("\n");
show(1);
for (int i = 1, s;; i++)
{
cout << i << ".";
color(23), s = read(), color(7);
if (s == 123456)
break;
while (s < 1 && s != 123456)
{
show(0);
cc("您输入的分数有误，请重新输入");
Sleep(300);
gotoxy(1, i + 3);
cls(30);
gotoxy(find_size(i) + 2, i + 2);
cls(100);
gotoxy(find_size(i) + 1, i + 2);
show(1);
color(23);
s = read();
color(7);
}
if (s == 123456)
break;
q[++qnum] = s;
all += s;
}
show(0);
system("CLS");
if (qnum == 0)
{
c("老师，看来您的工作真轻松连一道题目都没有");
c("bye bye!");
_getch();
exit(0);
}
cc("总分为:");
color(165);
cout << all;
color(7);
puts("\n");
cc("请输入每位同学的姓名(字节数大于1)，结束请输入");
color(79);
cout << "end";
color(7);
puts("\n");
show(1);
color(1);
while (cin >> a[++snum].name && a[snum].name != "end")
{
max_name = max(max_name, (long long)a[snum].name.size());
color(snum % 15 + 1);
}
color(7);
show(0);
snum--;
if (snum == 0)
{
system("CLS");
c("老师，看来您的工作真轻松连一个同学都没有");
c("bye bye!");
_getch();
exit(0);
}
c("\n准备工作结束啦！"), getch();
system("CLS");
for (int i = 1; i <= snum; i++)
{
for (int j = 1; j <= qnum; j++)
a[i].p[j] = q[j];
}
}
void us(int k)
{
while (1)
{
cc("请输入第");
cout << k;
cc("个同学 ");
color(176);
cout << a[k].name;
color(7);
c(" 的得分情况\n");
cc("请输入有错误的题号，结束请输入 ");
color(71);
cout << 123456;
color(7);
puts("\n");
color(23);
show(1);
sum = read();
show(0);
color(7);
if (sum == 123456)
break;
while ((sum < 1 || sum > qnum) && sum != 123456)
{
c("您输入的题号有误，请重新输入");
Sleep(300);
gotoxy(1, 5);
cls(50);
gotoxy(1, 4);
cls(50);
gotoxy(0, 4);
color(23);
show(1);
sum = read();
show(0);
color(7);
}
if (sum == 123456)
break;
c("请输入该同学获得的分数");
color(23);
show(1);
pts = read();
show(0);
color(7);
while (pts > q[sum] || pts < 0)
{
c("您输入的分数有误，请重新输入");
Sleep(300);
gotoxy(1, 6);
cls(50);
gotoxy(1, 7);
cls(50);
gotoxy(0, 6);
color(23);
show(1);
pts = read();
show(0);
color(7);
}
a[k].p[sum] = pts;
system("CLS");
}
system("CLS");
return;
}
void pre_basic()
{
show(0);
for (int i = 1; i <= snum; i++)
{
for (int j = 1; j <= qnum; j++)
a[i].pts += a[i].p[j];
sum_pts += a[i].pts;
mmin = min(mmin, a[i].pts);
mmax = max(mmax, a[i].pts);
}
av_pts = sum_pts * 1.0 / snum;
for (int i = 1; i <= snum; i++)
{
rrnk[i].first = a[i].pts;
rrnk[i].second = a[i].name;
}
std::sort(rrnk + 1, rrnk + 1 + snum);
}
void basic()
{
cc("此次测试共有");
color(143);
cout << snum;
color(7);
c("人参加\n");
cc("此次考试一共有");
color(159);
cout << qnum;
color(7);
cc("道题目，总分为");
color(95);
cout << all;
color(7);
puts("\n");
cc("这次考试的平均分为");
color(23);
cout << av_pts;
color(7);
puts("\n");
cc("最高分为");
color(79);
cout << mmax;
color(7);
cc("，最低分为");
color(79);
cout << mmin;
color(7);
puts("\n");
}
void rnk()
{
c("排序规则：分数高的在上，分数低的在下，分数一样的按名字的字典序排列\n");
int len_snum = find_size(snum), len_all = find_size(all);
cc("排名");
for (int i = 1; i <= len_snum; i++)
cout << " ";
cc("| 姓名");
for (int i = 1; i < max_name; i++)
cout << " ";
c("| 分数");
for (int i = snum; i >= 1; i--)
{
cout << snum - i + 1;
int len = find_size(snum - i + 1);
for (int j = 1; j + len - 4 <= len_snum; j++)
cout << " ";
cout << "| " << rrnk[i].second;
for (int j = 1; j + rrnk[i].second.size() - 3 <= max_name; j++)
cout << " ";
cout << "| " << rrnk[i].first << endl;
}
}
void ques()
{
c("请输入题号");
color(23);
show(1);
sum = read();
show(0);
color(7);
while (sum < 1 || sum > qnum)
{
c("您输入的题号有误，请重新输入");
Sleep(300);
gotoxy(1, 1);
cls(50);
gotoxy(1, 2);
cls(50);
gotoxy(0, 1);
color(23);
show(1);
sum = read();
show(0);
color(7);
}
system("CLS");
int q_pts = 0, right_q = 0, q_stu[5020], q_max, q_min = 0x3f3f3f3f3f;
for (int i = 1; i <= snum; i++)
{
q_pts += a[i].p[sum];
if (a[i].p[sum] == q[sum])
q_stu[++right_q] = i;
q_max = max(q_max, a[i].p[sum]);
q_min = min(q_min, a[i].p[sum]);
}
double av_q_pts = q_pts * 1.0 / snum, good = 100.0 * right_q / snum;
cc("这道题目的满分为：");
color(63);
cout << q[sum];
color(7);
puts("\n");
cc("这道题目的平均分为：");
color(95);
cout << av_q_pts;
color(7);
puts("\n");
cc("最高分为");
color(71);
cout << q_max;
color(7);
cc("，最低分为");
color(71);
cout << q_min;
color(7);
puts("\n");
cc("一共有");
color(31);
cout << right_q;
color(7);
cc("人做对这道题目，正确率为");
color(31);
cout << good << "%";
color(7);
cout << "\n";
c("以下是做对的同学：");
for (int i = 1; i <= right_q; i++)
{
color(i % 5);
cout << a[q_stu[i]].name;
for (int j = 1; j <= max_name - (long long)a[q_stu[i]].name.size() + 1; j++)
cout << " ";
if (i % 5 == 0)
cout << endl;
}
}
void stud()
{
int id = -1, x, s_right = 0;
string s_name;
c("请输入同学姓名（请勿随意输入换行）");
while (1)
{
color(23);
show(1);
cin >> s_name;
show(0);
color(7);
for (int i = 1; i <= snum; i++)
if (a[i].name == s_name)
{
id = i;
break;
}
if (id != -1)
break;
c("您输入的姓名，请重新输入");
Sleep(300);
gotoxy(1, 1), cls(100);
gotoxy(1, 2), cls(100);
gotoxy(0, 1);
}
system("CLS");
for (int i = 1; i <= snum; i++)
if (s_name == rrnk[i].second)
{
x = i;
break;
}
for (int i = 1; i <= qnum; i++)
if (a[id].p[i] == q[i])
s_right++;
color(23);
cout << s_name;
color(7);
cc("的得分为");
color(47);
cout << a[id].pts;
color(7);
cc("是全班的第");
color(63);
cout << x;
color(7);
cc("名\n");
cc("在这场考试中");
color(23);
cout << s_name;
color(7);
cc("做对了");
color(95);
cout << s_right;
color(7);
c("道题目\n");
cout << s_name;
cc("在这场考试中的正确率为");
color(111);
cout << (double)s_right * 100.0 / qnum << "%";
color(7);
}
void choes()
{
color(7);
c("1.输出此次考试的基本信息\n");
c("2.输出成绩排行榜\n");
c("3.查看具体一道题的情况\n");
c("4.查看具体一位同学的答题情况\n");
c("5.结束");
_ = getch();
system("CLS");
if (_ == '1')
{
basic();
_getch();
}
if (_ == '2')
{
rnk();
_getch();
}
if (_ == '3')
{
ques();
_getch();
}
if (_ == '4')
{
stud();
_getch();
}
system("CLS");
}
signed main()
{
js();
if (_ == '2')
warning();
pre_us();
for (int i = 1; i <= snum; i++)
us(i);
pre_basic();
while (_ != '5')
choes();
return 0;
}