diff --git a/测试.cpp b/测试.cpp
new file mode 100644
index 0000000..e81444c
--- /dev/null
+++ b/测试.cpp
@@ -0,0 +1,55 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+int mian()
+{
+	int n=0,s=0;
+	char str[50];
+	int os[3]={10,7,5};
+	int a=0,b=0,c=0,d=0,e=0,i=1,f,result;
+	char sf[2]={'+','-'};
+	for(i=1;i<=10;i++)
+	{
+	a=rand()%51;
+	b=rand()%51;
+	c=rand()%2;
+	if(c==0)
+	d=a+b;
+	else d=a-b;
+	if(d>=0&&d<=50)
+	sprintf(str,"%d %c %d=\n",a,sf[c],b);
+}
+printf("%s\n",str);
+printf("ÊäÈë¼ÆËã½á¹û:\n");
+if(n==10)
+{
+scanf("%d",&result);
+e++;
+if(result==d)
+{
+printf("»Ø´ðÕýÈ·!\n");
+s+=os[e-1];
+}
+else if(e<3)
+{
+printf("´íÎó,ÇëÖØлشð:\n");
+}
+else
+{ printf("´íÎó,ÕýÈ·´ð°¸: %d\n",d);
+}
+}
+n++;
+}if(s>=90){
+	printf("\nSMART\n");
+}
+else if(s>=80){
+printf("\nGOOD\n");}
+else if(s>=70){
+printf("\nOK\n");}
+else if(s>=60){
+printf("\nPASS\n");}
+else {
+printf("\nTRY AGAIN\n");}
+getch();
+}
+ } 
diff --git a/课设.cpp b/课设.cpp
index cd9824a..f7a1ac4 100644
--- a/课设.cpp
+++ b/课设.cpp
@@ -5,39 +5,56 @@ int mian()
 {
 	int n=0,s=0;
 	int os[3]={10,7,5};
-	char str0[10],str1[20];
-	int a=0,b=0,c=0,d=0,e=0,f=0,g=2,result;
-	char sf[2]{'+','-'};
-	}
-	while(1)
+	char tm[50],tmm[50];
+	int a=0,b=0,c=0,d=0,e=0,i=1,f,result;
+	char sf[2]={'+','-'};
+	for(i=1;i<=10;)
 	{
 		a=rand()%51;
 		b=rand()%51;
 		c=rand()%2;
-		if(c==0)
-			d=a+b;
+		if(c==0)d=a+b;
 			else d=a-b;
-			if(d>=0&&d<=50)
-			{
-				sprintf(str0,"%d %c %d=\n",a,sf[c],b);
-				strcpy(str1[n],str0);
-				for(i=0;i<n;i++)
-				if(strcmp(str0,str1[i])==0)
-				break;
-			}
+		if(d>=0 && d<=50)
+		sprintf(tm,"%d %c %d=\n",a,sf[c],b);
+		strcpy(tmm[i],tm);
+		if(strcmp(tmm[i,tm])==0)
+		i=i;
+		else i++;
 	}
-	printf("%s\n",str0);
-	printf("ÊäÈë´ð°¸£º%d\n");
-	while(1)
+	printf("%s\n",tm);
+	printf("ÊäÈë¼ÆËã½á¹û£º\n",d);
+	for(f=0;f<=10;f++)
 	{
-		scanf("%d\n",&result);
+		scanf("%d",&result);
 		e++;
 		if(result==d)
 		{
-			printf("»Ø´ðÕýÈ·£¡\n");
-			s+=oc[e-1];
-			break;
+			printf("»Ø´ðÕýÈ·£¡");
+		s+=os[e-1];
 		}
 		else if(e<3)
-		printf("»Ø´ð´íÎó£¡ÇëÖØÐÂÊäÈ룺\n");
-	}
+		{
+			printf("»Ø´ð´íÎó£¡ÇëÖØлشð£º\n",d);
+			scanf("%d",&result);
+			e++;
+		if(result==d)
+			{
+			printf("»Ø´ðÕýÈ·£¡");
+			s+=os[e-1];
+			}
+		}
+		else if(e<3)
+		{
+			printf("»Ø´ð´íÎó£¡ÇëÖØлشð£º\n",d); 
+			scanf("%d",&d);
+			e++;
+		if(result==d)
+		{
+			printf("»Ø´ðÕýÈ·£¡");
+			s+=os[e-1];
+		}
+			else printf("»Ø´ð´íÎó£¡ÕýÈ·´ð°¸:%d\n",d);
+		 }
+		 } 
+		 } 
diff --git a/课设2.cpp b/课设2.cpp
new file mode 100644
index 0000000..fba2763
--- /dev/null
+++ b/课设2.cpp
@@ -0,0 +1,57 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+int main()
+{
+	int n=0,s=0,a=0,b=0,c=0,d=0,i,k=0,f=0,result;
+	int fs[3]={10,7,5};
+	char sf[2]={'+','-'};
+	char tm[50],tm1[50];
+	if(i<=10)
+	{
+	a=rand()%51;
+	b=rand()%51;
+	c=rand()%2;
+	if(c==0)d=a+b;
+	else d=a-b;
+	if(d>=0&&d<=50)
+	sprintf(tm,"%d %c %d=\n",a,sf[c],b); 
+	i++;
+	}
+	printf("%s",tm);
+	printf("ÊäÈë¼ÆËã½á¹û£º\n",d);
+	for(f=0;f<=10;f++)
+	{
+		scanf("%d",&result);
+		k++;
+		if(result==d)
+		{
+			printf("»Ø´ðÕýÈ·£¡");
+		s+=fs[k-1];
+		}
+		else if(k<3)
+		{
+			printf("»Ø´ð´íÎó£¡ÇëÖØлشð£º\n",d);
+			scanf("%d",&result);
+			k++;
+		if(result==d)
+			{
+			printf("»Ø´ðÕýÈ·£¡");
+			s+=fs[k-1];
+			}
+		}
+		else if(k<3)
+		{
+			printf("»Ø´ð´íÎó£¡ÇëÖØлشð£º\n"); 
+			scanf("%d",&result);
+			k++;
+		if(result==d)
+		{
+			printf("»Ø´ðÕýÈ·£¡");
+			s+=fs[k-1];
+		}
+			else printf("»Ø´ð´íÎó£¡ÕýÈ·´ð°¸:%d\n",d);
+		 }
+		 } 
+	
+}
diff --git a/课设2.exe b/课设2.exe
new file mode 100644
index 0000000..5ae1b30
Binary files /dev/null and b/课设2.exe differ