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1、/*题目名称：加减乘除运算测试系名：振孝*/#include#include#includeintfun(int,int);structlook{inta;charch;intb;intan1;intan2;intsum;intchange;}s1[100];structlookjiajian();structlookjiajianchengchu();intmain(){inti=0;intn;intj;srand((unsigned)time(NULL));printf("
2、************
3、**************
4、");printf("
5、请输入选项编号（0~3)
6、");printf("
7、**************************
8、");printf("
9、1---加减算术题
10、");printf("
11、2---加减乘除算术题
12、");printf("
13、3---查看做题的情况
14、");printf("
15、0---退出
16、");printf("
17、**************************
18、");while(1){scanf("%d",&n);if(n==0)break;switch(n){case1:s
19、1[i]=jiajian(),i++,j=i;break;case2:s1[i]=jiajianchengchu(),i++,j=i;break;case3:{intsum=0;for(i=0;i!=j;i++){if(s1[i].ch=='-'&&s1[i].change==1)printf("%d%c%d=%dtt答对的题",s1[i].a,s1[i].ch,s1[i].b,s1[i].an1),sum++;elseif(s1[i].ch=='-'&&s1[i].change==2)printf("%d%c%d=%dtt答错的题",s1
20、[i].a,s1[i].ch,s1[i].b,s1[i].an1);elseif(s1[i].ch=='+'&&s1[i].change==1)printf("%d%c%d=%dtt答对的题",s1[i].a,s1[i].ch,s1[i].b,s1[i].an1),sum++;elseif(s1[i].ch=='*'&&s1[i].change==1)printf("%d%c%d=%dtt答对的题",s1[i].a,s1[i].ch,s1[i].b,s1[i].an1),sum++;elseif(s1[i].ch=='+'&&s1[i].c
21、hange==2)printf("%d%c%d=%dtt答错的题",s1[i].a,s1[i].ch,s1[i].b,s1[i].an1);elseif(s1[i].ch=='*'&&s1[i].change==2)printf("%d%c%d=%dtt答错的题",s1[i].a,s1[i].ch,s1[i].b,s1[i].an1);elseif(s1[i].ch=='/'&&s1[i].change==1)printf("%d%c%d=%d/%dtt答对的题",s1[i].a,s1[i].ch,s1[i].b,s1[i].an1
22、,s1[i].an2),sum++;elseif(s1[i].ch=='/'&&s1[i].change==2)printf("%d%c%d=%d/%dtt答错的题",s1[i].a,s1[i].ch,s1[i].b,s1[i].an1,s1[i].an2);}printf("你最后的总分是%d",sum*5);};break;case4:exit(-1);break;}}return0;}structlookjiajian(){structlooks;inta;intaa,bb;charch;intanswer;intindex=0;a=ra
23、nd()%2;switch(a){case0:ch='+';break;case1:ch='-';break;}aa=rand()%100;bb=rand()%100;if(ch=='+'){printf("%d%c%d=?",aa,ch,bb);printf("请输入你的答案：");scanf("%d",&answer);if(answer==(aa+bb)){printf("回答正确，请选择序号继续！");s.sum++;index=1;s.change=1;}else{printf("回答错误，正确的答案是%d",aa+bb);s.c
24、hange=2;}}else{printf("%d%c%d=?
