commit 9d29a526d6dbac32df0061894f357fa913284308
Author: 487145165@qq.com <487145165@qq.com>
Date:   Fri Jan 11 14:36:00 2019 +0800

    first commit

diff --git a/1.c b/1.c
new file mode 100644
index 0000000..659d3ac
--- /dev/null
+++ b/1.c
@@ -0,0 +1,131 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<time.h>
+int jiaf(int a,int b)									//加法题目 
+{	int c;
+	printf("%d+%d=\n",a,b);
+	scanf("%d",&c);
+	if(c==(a+b))return 1;
+	else return 0;	
+}
+int jianf(int a,int b)								//减法题目 
+{	int c;
+	printf("%d-%d=\n",a,b);
+	scanf("%d",&c);
+	if(c==(a-b))return 1;
+		else return 0;
+ } 
+int text()
+{int a,b,d,i,j,g=0,m,result,agan,gard=0;             //a，b为随机数，d为随机加减法，i，j为循环数，m为判断是否开始作答，result为判断答案是否正确，agan为二三次输入的答案。
+	while(1)										//判断是否准备考试 
+	{	if(g==3)
+		printf("不要乱玩，若再一次则考试结束！！！\n");
+		if(g==4)
+		break;
+		printf("请确定是否开始作答！！！\n");
+		printf("开始作答输入1\n");
+		printf("还没想好输入2\n");					//备注，提示工作 
+		scanf("%d",&m);
+		if(m==1)
+		{	printf("请做好准备！\n");
+			printf("一共十道题，可做三次\n");
+			printf("________________________\n");
+			break;
+		}
+	else
+	{g++;
+	continue;
+	}
+}if(g!=4)
+{	srand((int)time(NULL));
+	for(i=1;i<=10;i++)                            //开始出题 
+	{	while(1)
+		{	a=0+(rand()%51);
+			b=0+(rand()%51);
+			if((a+b)>50||(a-b)<0||(b-a)<0)
+				continue;
+			else
+				break;
+		}
+		d=1+(rand()%2);
+		printf("第%d题：",i);								
+		switch(d)
+		{	case 1:result=jiaf(a,b);
+				   if(result==1)
+				   {	printf("正确\n");         //回答正确加十分 
+				   		gard+=10;
+				   		break;}
+				   		else
+				   {	for(j=1;j<=3;j++)         //回答错误，依次加七分，五分，零分 
+						{	if(j==3)
+						{	printf("你的次数已用完\n");
+				    		printf("该题的正确答案为：%d\n",a+b);
+				    		break;
+						}
+					else
+					{	printf("错误\n");
+				    	printf("请重新输入\n");
+				    	scanf("%d",&agan);
+				    	if(agan==(a+b))
+				    	{printf("正确\n");
+						break;
+						}
+				    	else
+						continue;
+					}
+					}switch(j){
+				   			case 1:gard+=7;
+				   				   break;
+				   			case 2:gard+=5;
+				   				   break;
+				   			case 3:gard+=0;
+				   				   break;		
+				   		}
+					break;}
+			case 2:result=jianf(a,b);
+				   if(result==1)
+				   {	printf("正确\n");
+				   		gard+=10;
+				   		break;
+				   }
+				   else
+				   {
+				   	for(j=1;j<=3;j++)
+				   {	if(j==3)
+				    	{	printf("你的次数已用尽\n");
+				    		printf("该题的正确答案为：%d\n",a-b);
+								break;
+						}
+						}
+						else
+						{	printf("错误\n");
+				    		printf("请重新输入\n");
+				    		scanf("%d",&agan);
+				    		if(agan==(a-b))                                                                                                                                                                                                         ))
+				    		{	printf("正确\n");
+								break;
+							}
+				    		else
+				    		continue; 
+						}
+				   
+				   }switch(j){
+				    	case 1:gard+=7;
+				   			   break;
+				   		case 2:gard+=5;
+				   			   break;
+				   		case 3:gard+=0;
+				   			   break;		
+				   }
+				break;}
+		}
+	}}printf("你的成绩为：%d\n",gard);
+	if(gard>90)printf("你的评价为：SMART\n");                 //评价 
+	else if(gard>=80&&gard<=90)printf("你的评价为：GOOD\n");
+	else if(gard>=70&&gard<80)printf("你的评价为：	OK\n");
+	else if(gard>=60&&gard<70)printf("你的评价为：PASS\n");
+	else (gard<60)printf("考试结束，你的评价为：TRY AGAIN\n");}
+int main()
+{	text();
+	return 0;
+}
\ No newline at end of file