From f1a346d8ea175d05a2acf8e3cee3a98a8dc9b763 Mon Sep 17 00:00:00 2001
From: p6twphb5c <1281646536@qq.com>
Date: Mon, 13 Nov 2023 22:02:29 +0800
Subject: [PATCH] ADD file via upload

---
 E2.step8.c | 372 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 372 insertions(+)
 create mode 100644 E2.step8.c

diff --git a/E2.step8.c b/E2.step8.c
new file mode 100644
index 0000000..074b849
--- /dev/null
+++ b/E2.step8.c
@@ -0,0 +1,372 @@
+#include<stdio.h>
+#include<string.h>
+struct Student
+{
+	int num;
+	int sclass;
+	char name[5];
+	float mark1;
+	float mark2;
+	float mark3;
+};
+struct Student stu[7]={{10001,11,"Zhang",99.5,88.5,89.5},{10002,12,"Yang",77.9,56.5,87.5},{10003,11,"Liang",92.5,99.0,60.5},{10004,11,"Cai",89.6,56.9,90.5},{10005,14,"Fu",55.6,67.9,98.9},{10006,12,"Mao",22.1,45.9,99.2},{10007,13,"Zhan",35.6,67.9,88.0}};
+
+int main()
+{
+	void Sclass(struct Student stu[]);
+	void Snum(struct Student stu[]);
+	void Sname(struct Student stu[]);
+	void Smark(struct Student stu[]);
+	void Intergrate(struct Student stu[]);
+	struct Student *p=stu;
+	char input;
+	scanf("%c",&input);
+	if(input=='1')
+	{
+		Sclass(p);
+	}
+	else if(input=='2')
+	{
+		Snum(p);
+	}
+	else if(input=='3')
+	{
+		Sname(p);
+	}
+	else if(input=='4')
+	{
+		Smark(p);
+	}
+	else if(input=='5')
+	{
+		Intergrate(p);
+	}
+	return 0;
+}
+
+void Sclass(struct Student stu[])
+{
+	char input[10];
+	struct Student slc[7];
+	struct Student temp;
+	gets(input);
+	int i,j,k;
+	if(input[3]=='-')
+	{
+		k=0;
+		for(j=0;j<7;j++)
+		{
+			if((stu[j].sclass>=input[2]-38)&&(stu[j].sclass<=input[5]-38))
+			{
+				slc[k]=stu[j];
+				k++;
+			}
+		}
+	}
+	else
+	{
+		k=0;
+		for(j=0;j<7;j++)
+		{
+			if(stu[j].sclass==input[2]-38)
+			{
+				slc[k]=stu[j];
+				k++;
+			}
+		}
+	}
+	for(i=k-1;i>=0;i--)
+	{
+		for(j=0;j<i;j++)
+		{
+			if(slc[j].sclass>slc[j+1].sclass)
+			{
+				temp=slc[j];
+				slc[j]=slc[j+1];
+				slc[j+1]=temp;
+			}
+			else if(slc[j].sclass==slc[j+1].sclass)
+			{
+				if((slc[j].mark1+slc[j].mark2+slc[j].mark3)<(slc[j+1].mark1+slc[j+1].mark2+slc[j+1].mark3))
+				{
+					temp=slc[j];
+					slc[j]=slc[j+1];
+					slc[j+1]=temp;
+				}
+			}
+		}
+	}
+	for(i=0;i<k;i++)
+	{
+		printf("%d %d %s %.1f %.1f %.1f\n",slc[i].num,slc[i].sclass,slc[i].name,slc[i].mark1,slc[i].mark2,slc[i].mark3);
+	}
+}
+
+void Snum(struct Student stu[])
+{
+	char input[12];
+	struct Student slc[7];
+	struct Student temp;
+	gets(input);
+	int i,j,k;
+	if(input[6]=='-')
+	{
+		k=0;
+		for(j=0;j<7;j++)
+		{
+			if((stu[j].num>=10000+input[5]-48)&&(stu[j].num<=10000+input[11]-48))
+			{
+				slc[k]=stu[j];
+				k++;
+			}
+		}
+	}
+	else
+	{
+		k=0;
+		for(j=0;j<7;j++)
+		{
+			if(stu[j].num==10000+input[5]-48)
+			{
+				slc[k]=stu[j];
+				k++;
+			}
+		}
+	}
+	for(i=k-1;i>=0;i--)
+	{
+		for(j=0;j<i;j++)
+		{
+			if(slc[j].sclass>slc[j+1].sclass)
+			{
+				temp=slc[j];
+				slc[j]=slc[j+1];
+				slc[j+1]=temp;
+			}
+			else if(slc[j].sclass==slc[j+1].sclass)
+			{
+				if((slc[j].mark1+slc[j].mark2+slc[j].mark3)<(slc[j+1].mark1+slc[j+1].mark2+slc[j+1].mark3))
+				{
+					temp=slc[j];
+					slc[j]=slc[j+1];
+					slc[j+1]=temp;
+				}
+			}
+		}
+	}
+	for(i=0;i<k;i++)
+	{
+		printf("%d %d %s %.1f %.1f %.1f\n",slc[i].num,slc[i].sclass,slc[i].name,slc[i].mark1,slc[i].mark2,slc[i].mark3);
+	}
+}
+
+void Sname(struct Student stu[])
+{
+	char input[6];
+	struct Student slc[7];
+	struct Student temp;
+	gets(input);
+	int i,j,k;
+	int m[7];
+	for(i=0;i<7;i++)
+	{
+		slc[i]=stu[i];
+		m[i]=0;
+	}
+	for(i=1;i<6;i++)
+	{
+		if(input[i]=='*')
+		{
+			break;
+		}
+	}
+	for(j=1;j<i;j++)
+	{
+		for(k=0;k<7;k++)
+		{
+			if(input[j]==stu[k].name[j-1])
+			{
+				m[k]++;
+			}
+		}
+	}
+	k=0;
+	for(j=0;j<7;j++)
+	{
+		if(m[j]==i-1)
+		{
+			slc[k]=stu[j];
+			k++;
+		}
+	}
+	for(i=k-1;i>=0;i--)
+	{
+		for(j=0;j<i;j++)
+		{
+			if(slc[j].sclass>slc[j+1].sclass)
+			{
+				temp=slc[j];
+				slc[j]=slc[j+1];
+				slc[j+1]=temp;
+			}
+			else if(slc[j].sclass==slc[j+1].sclass)
+			{
+				if((slc[j].mark1+slc[j].mark2+slc[j].mark3)<(slc[j+1].mark1+slc[j+1].mark2+slc[j+1].mark3))
+				{
+					temp=slc[j];
+					slc[j]=slc[j+1];
+					slc[j+1]=temp;
+				}
+			}
+		}
+	}
+	for(i=0;i<k;i++)
+	{
+		printf("%d %d %s %.1f %.1f %.1f\n",slc[i].num,slc[i].sclass,slc[i].name,slc[i].mark1,slc[i].mark2,slc[i].mark3);
+	}
+}
+
+void Smark(struct Student stu[])
+{
+	char input[5];
+	struct Student slc[7];
+	struct Student temp;
+	gets(input);
+	int i,j,k=0;
+	if(input[3]=='.')
+	{
+		for(j=0;j<7;j++)
+		{
+			if((stu[j].mark1+stu[j].mark2+stu[j].mark3)>((input[1]-48)*10+input[2]-48+(input[4]-48)*0.1))
+			{
+				slc[k]=stu[j];
+				k++;
+			}
+		}
+	}
+	else if(input[4]=='.')
+	{
+		for(j=0;j<7;j++)
+		{
+			if((stu[j].mark1+stu[j].mark2+stu[j].mark3)>((input[1]-48)*100+(input[2]-48)*10+input[3]-48+(input[5]-48)*0.1))
+			{
+				slc[k]=stu[j];
+				k++;
+			}
+		}
+	}
+	for(i=k-1;i>=0;i--)
+	{
+		for(j=0;j<i;j++)
+		{
+			if(slc[j].sclass>slc[j+1].sclass)
+			{
+				temp=slc[j];
+				slc[j]=slc[j+1];
+				slc[j+1]=temp;
+			}
+			else if(slc[j].sclass==slc[j+1].sclass)
+			{
+				if((slc[j].mark1+slc[j].mark2+slc[j].mark3)<(slc[j+1].mark1+slc[j+1].mark2+slc[j+1].mark3))
+				{
+					temp=slc[j];
+					slc[j]=slc[j+1];
+					slc[j+1]=temp;
+				}
+			}
+		}
+	}
+	for(i=0;i<k;i++)
+	{
+		printf("%d %d %s %.1f %.1f %.1f\n",slc[i].num,slc[i].sclass,slc[i].name,slc[i].mark1,slc[i].mark2,slc[i].mark3);
+	}
+}
+
+void Intergrate(struct Student stu[])
+{
+	char input[100];
+	struct Student slc[7];
+	struct Student temp;
+	gets(input);
+	int i,j,k;
+	for(i=0;i<100;i++)
+	{
+		if(input[i]=='.')
+		{
+			k=0;
+			for(j=0;j<7;j++)
+			{
+				if((stu[j].num>=10000+input[i+5]-48)&&(stu[j].num<=10000+input[i+11]-48)&&(stu[j].sclass>=input[i-4]-38)&&(stu[j].sclass<=input[i-1]-38))
+				{
+					slc[k]=stu[j];
+					k++;
+				}
+				else if((stu[j].num>=10000+input[i+5]-48)&&(stu[j].num<=10000+input[i+11]-48)&&(stu[j].sclass==input[i-1]-38))
+				{
+					slc[k]=stu[j];
+					k++;
+				}
+			}
+			break;
+		}
+	}
+	for(i=k-1;i>=0;i--)
+	{
+		for(j=0;j<i;j++)
+		{
+			if(slc[j].sclass>slc[j+1].sclass)
+			{
+				temp=slc[j];
+				slc[j]=slc[j+1];
+				slc[j+1]=temp;
+			}
+			else if(slc[j].sclass==slc[j+1].sclass)
+			{
+				if((slc[j].mark1+slc[j].mark2+slc[j].mark3)<(slc[j+1].mark1+slc[j+1].mark2+slc[j+1].mark3))
+				{
+					temp=slc[j];
+					slc[j]=slc[j+1];
+					slc[j+1]=temp;
+				}
+			}
+		}
+	}
+	for(i=0;i<k;i++)
+	{
+		printf("%d %d %s %.1f %.1f %.1f\n",slc[i].num,slc[i].sclass,slc[i].name,slc[i].mark1,slc[i].mark2,slc[i].mark3);
+	}
+}
+
+/*void step5(void)
+{
+	int i,j=-1,k,l;
+	 char c='a';
+	 int s;
+	 int N=3;
+	  scanf("%d",&s);
+	  for(i=0;i<N;i++)
+	  if(strcmp(s,stu[i].num)==0||strcmp(s,stu[i].num)==0)
+	  {j=i;break;}
+	for(k=0;k<N;k++)
+	{
+	 	if(k==j)continue;
+		else 
+		{
+			printf("%d %d %s %f %f %f\n",stu[k].num,stu[k].sclass,stu[k].name,stu[k].mark1,stu[k].mark2,stu[k].mark3);
+	 	}
+	}
+	printf("Are you sure?(yes/no)\n");
+	while(c)
+	{ 
+		scanf("%c",&c);
+		if(c=='n') 
+		{
+			for(l=0;l<N;l++)
+			printf("%d %d %s %f %f %f\n",stu[l].num,stu[l].sclass,stu[l].name,stu[l].mark1,stu[l].mark2,stu[l].mark3); 
+		}
+		if(c=='y'||c=='n')
+		{
+			break;
+		}
+	}
+}*/