c语言四则运算出题器

1、#include#include#includeint a,n,nright=0,nwrong=0,flag5,flag3=1,flag6=0,mark,etime=0,etime1,etime2;char op,choice;void award() char c; if(mark=100) /*输出笑脸等不同奖励*/ c=rand()%2+1; printf(%28c %21cn,c,c); c=rand()%2+1; printf(%26c %3c %17c %3cn,c,c,c,c); c=rand()%2+1; printf(%24c %7c %13c %7cn,c,c,c,c);

2、c=rand()%2+1; printf(nn); printf(nn); printf(%35c %7cn,c,c); c=rand()%2+1; printf(%37c %3cn,c,c); c=rand()%2+1; printf(%39cn,c); else if(mark=90) c=rand()%2+1; printf(%28c %21cn,c,c); c=rand()%2+1; printf(%26c %3c %17c %3cn,c,c,c,c); c=rand()%2+1; printf(%24c %7c %13c %7cn,c,c,c,c); c=rand()%2+1; pr

3、intf(nn); printf(nn); printf(%35c %c %c %c %cn,c,c,c,c,c); else if(mark=80) c=rand()%2+1; printf(n); printf(%28c %c %c %c %c %12c %c %c %c %cn,c,c,c,c,c,c,c,c,c,c); printf(n); printf(n); printf(n); c=rand()%2+1; printf(%38c %7cn,c,c); c=rand()%2+1; printf(%40c %3cn,c,c); c=rand()%2+1; printf(%42cn,c

4、); else if(mark=60) c=22; printf(n); printf(%28c %c %c %c %c %12c %c %c %c %cn,c,c,c,c,c,c,c,c,c,c); printf(n); printf(n); printf(n); printf(n); printf(%38c %c %c %c %cn,c,c,c,c,c); else c=22; printf(n); printf(%28c %c %c %c %c %12c %c %c %c %cn,c,c,c,c,c,c,c,c,c,c); c=25; printf(%32c %20cn,c,c); pr

5、intf(%32c %20cn,c,c); printf(%32c %20cn,c,c); printf(%32c %20cn,c,c); void score(int seconds,int i) int seconds0; seconds0=i*n; if(etime=0) printf(n); else if(seconds=seconds0) /*根据时间所用长短进行评分*/ mark=100*nright/(nright+nwrong); else if(seconds=(seconds0*1.2) mark=95*nright/(nright+nwrong); else if(se

6、conds=(seconds0*1.5) mark=90*nright/(nright+nwrong); else if(seconds=(seconds0*2.0) mark=85*nright/(nright+nwrong); else mark=85*nright/(nright+nwrong); printf(总分数%dn,mark); int judge(int n1) if(n1=a) printf(正确n); nright+; else printf(错误n); nwrong+; return nwrong;int hunhe() int flag2=1,flag1=0,inum

7、ber; int b=0,e,input;int i2;char op2; a=flag5=0?rand()%10+1:rand()%100+1; etime=flag5=0?7:9; op2=rand()%6+42; while(op2!=*)&(op2!=+)&(op2!=-)&(op2!=/) /*随机出加减乘除符号*/ op2=rand()%6+42; inumber=rand()%4+2; /*随机输出混合式长度*/ printf(%d%c,a,op2); etime1=time(0); for(i2=1;i2a) /*控制不输出负数*/ b=rand()%100+0; a-=b;

8、break; printf(%d,b); op2=rand()%6+42; while(op2!=*)&(op2!=+)&(op2!=-)&(op2!=/) op2=rand()%6+42; printf(%c,op2); flag1+; if(op2=*|op2=/) if(flag1!=0) if(flag2=1) /*判断第一项计算是否为乘除及前一个运算符为加或减*/ a-=b; if(flag2=0) a+=b; if(flag1=0) b=a; e=flag5=0?rand()%10+1:rand()%100+1; switch(op2) case *: if(flag2=0) wh

9、ile(b*e)a) /*控制不输出负数*/ e=flag5=0?rand()%10+1:rand()%100+1; b*=e; if(flag2=1) b*=e; break; case /: if(flag2=0) while(b/e)a|(b%e)!=0) /*控制不输出负数及小数*/ e=flag5=0?rand()%10+1:rand()%100+1; b/=e; if(flag2=1) while(b%e)!=0) e=flag5=0?rand()%10+1:rand()%100+1; b/=e; break; printf(%d,e); op2=rand()%6+42; whil

10、e(op2!=+)&(op2!=-) op2=rand()%6+42; printf(%c,op2); if(flag1!=0) /*根据前一个运算符的加或减来进行后期运算*/ if(flag2=1) a+=b; if(flag2=0) a-=b; if(flag1=0) a=b; printf(b=); scanf(%d,&input); judge(input); etime2=time(0);int jiajian() int flag4,b,input,d; flag4=rand()%2+1; etime=flag5=0?2:4; /*输出每道题所需时间*/switch(flag4)

11、case 1:d=flag5=0?rand()%10+1:rand()%100+1; /*随机输出混合式长度*/b=flag5=0?rand()%10+1:rand()%100+1;a=d+b;printf(%d+%d=,d,b);scanf(%d,&input);break;case 2:dod=flag5=0?rand()%10+1:rand()%100+1; /*随机输出混合式长度*/b=flag5=0?rand()%10+1:rand()%100+1;while(d-b0); a=d-b;printf(%d-%d=,d,b);scanf(%d,&input); break;judge(

12、input);int chengchu() int flag4,input,b,d; etime=flag5=0?2:4; flag4=rand()%2+1;switch(flag4) case 1:d=flag5=0?rand()%10+1:rand()%100+1;b=flag5=0?rand()%10+1:rand()%100+1;a=d*b;printf(%d*%d=,d,b);scanf(%d,&input);break;case 2:dod=flag5=0?rand()%10+1:rand()%100+1;b=flag5=0?rand()%10+1:rand()%100+1;whi

13、le(d%b!=0);a=d/b;printf(%d/%d=,d,b);scanf(%d,&input); break;judge(input);int lianjiajian() int b,i,inumber,input; char op2; etime=5; srand(time(0); a=rand()%10+1; op2=rand()%6+42; while(op2!=+)&(op2!=-) op2=rand()%6+42; inumber=rand()%4+2; printf(%d%c,a,op2); for(i=1;i=inumber;i+) b=rand()%10+0; swi

14、tch(op2) case +: a+=b; break; case -: while(ab) b=rand()%10+0; a-=b; break; printf(%d,b); op2=rand()%6+42; while(op2!=+)&(op2!=-) op2=rand()%6+42; printf(%c,op2); printf(b=); scanf(%d,&input); judge(input);int lianchengchu() int b,i,inumber,input; char op2; etime=5; srand(time(0); a=rand()%10+0; op2

15、=rand()%6+42; while(op2!=*)&(op2!=/) op2=rand()%6+42; inumber=rand()%4+2; printf(%d%c,a,op2); for(i=1;i=inumber;i+) b=rand()%10+1; switch(op2) case *: a*=b; break; case /: while(a%b!=0) b=rand()%10+1; a/=b; break; printf(%d,b); op2=rand()%6+42; while(op2!=*)&(op2!=/) op2=rand()%6+42; printf(%c,op2);

16、 printf(b=); scanf(%d,&input); judge(input);int main() int i1,i2,i3,n,second1=0,second2=0,second3=0; int flag2=1,flag1=0; char mode,esc; char f351=#, #提示：若要退出按除数字回车外的任意键进入选择菜单#, #; char a536=#, # Math Game #, # #, #03 低吟w夏伤 #, #; for(i2=0;i25;i2+) printf(%57sn,ai2); srand(time(0); do printf( 请选择游戏模式

17、n); printf( 1、经典模式n); printf( 2、升级模式n); printf( 3、无限模式n); printf( 4、时间模式n); for(i3=0;i33;i3+) printf(%64sn,fi3); printf( n); scanf(%c,&mode); second1=time(0); if(mode52) /*任意键退出*/ printf(A、继续nB、退出游戏n); op=getchar(); op=getchar(); if(op=a|op=A) op=a; flag6=1; else if(op=b|op=B) return 0; else op=a; p

18、rintf(请重新选择n); flag6=1; do if(flag6=0) op=m; switch(mode) case 1: choice=getchar(); printf(经典模式n请选择游戏难度n); printf(1、十以内加减n2、十以内乘除n3、一百以内加减n4、一百以内乘除n5、十以内连加连减n6、十以内连乘连除n7、十以内混合运算n8、一百以内混合运算n); choice=getchar(); if(choice56) /*任意键退出*/ printf(A、回到主菜单nB、退出游戏nC、继续n); op=getchar(); op=getchar(); if(op=b|o

19、p=B) return 0; else if(op=a|op=A) flag6=1; break; else if(op=c|op=C) op=c; flag3=0; else op=c; printf(请重新选择n); flag3=0; if(flag3!=0) printf(请输入答题数n); scanf(%d,&n); esc=getchar(); second1=time(0); for(i1=1;i1=n;i1+) /*控制答题数进行循环*/ switch(choice) case 1: flag5=0; jiajian(); break; case 2: flag5=0; chen

20、gchu(); break; case 3: flag5=1; jiajian(); break; case 4: flag5=1; chengchu(); break; case 5: lianjiajian(); break; case 6: lianchengchu(); break; case 7: flag5=0; hunhe(); break; case 8: flag5=1; hunhe(); break; flag2=1; flag1=0; if(flag3!=0) choice=getchar(); break; case 2: second1=time(0); choice

21、=getchar(); printf(升级模式n您必须答对所有题才能进入下一关n按回车开始游戏n); choice=getchar(); if(choice56)&choice!=n) printf(A、回到主菜单nB、退出游戏nC、继续n); op=getchar(); op=getchar(); if(op=b|op=B) return 0; else if(op=a|op=A) flag6=1; break; else if(op=c|op=C) op=c; flag3=0; else op=c; printf(请重新选择n); flag3=0; printf(第一关n); for(i2

22、=1;i2=5;i2+) flag5=rand()%1+0; jiajian(); if(nwrong=0) printf(第二关n); for(i2=1;i2=8;i2+) flag5=rand()%1+0; chengchu(); if(nwrong=0) printf(第三关n); for(i2=1;i2=10;i2+) lianjiajian(); if(nwrong=0) printf(第四关n); for(i2=1;i2=8;i2+) lianchengchu(); if(nwrong=0) printf(第五关n); for(i2=1;i2=8;i2+) flag5=rand()

23、%1+0; hunhe(); else printf(闯关失败n); break; case 3: second1=time(0); choice=getchar(); printf(无限模式n你只有三次犯错的机会n按回车开始游戏n); choice=getchar(); if(choice56)&choice!=n) printf(A、回到主菜单nB、退出游戏nC、继续n); op=getchar(); op=getchar(); if(op=b|op=B) return 0; else if(op=a|op=A) flag6=1; break; else if(op=c|op=C) op=c; flag3=0; else op=c; printf(请重新选择n); flag3=0; while(nwrong=2) /*逐渐增加难度*/ flag5=rand()%1+0; if(nright3&nright6