C语言源代码

剪刀石头布源代码#includestdio.h#includestdlib.hmain(){intd,x;{printf(请输入：1是剪刀，2是石头，3是布);scanf(%d,&d);x=rand()%3;if(d==x)printf(双方平局);elseif((d==1&&x==2)||(d==2&&x==3)||(d==3&&x==1))printf(你赢了);elseprintf(电脑赢了);}}简单计算器#includestdio.hmain(){inta,b,d=0;charc;while(d==0){printf(请开始计算，请输入需要运算的数字和运算法则，数字符号数字:);scanf(%d%c%d,&a,&c,&b);switch(c){case'+':printf(%d+%d=%d\n,a,b,a+b);break;case'-':printf(%d-%d=%d\n,a,b,a-b);break;case'*':printf(%d*%d=%d\n,a,b,a*b);break;case'/':if(0==b)printf(除法被除数不能为零!\n);elseprintf(%d/%d=%d\n,a,b,a/b);break;}}}加油站加油问题#includestdio.hintmain(){doublea=3.25,b=3.00,c=2.75;doubled=0.05,e=0.10,m;intx,y,z;printf(请输入您要的加油量：);scanf(%d,&x);printf(请输入您要的汽油种类,1-a型汽油售价3.25元/千克，2-b型汽油售价3.00元/千克，3-c型汽油售价2.75元/千克：);scanf(%d,&y);printf(请输入您要的服务类型,1-自己加服务优惠0.05，2-协助加服务优惠0.10：);scanf(%d,&z);switch(y){case1:y=a;break;case2:y=b;break;case3:y=c;break;}if(z==1)m=(1-d)*y*x;elseif(z==2)m=(1-e)*y*x;printf(您需要支付：%f元，谢谢惠顾，欢迎下次再来,m);return0;}猜数字游戏#includestdio.h#includestdlib.hintmain(){intd=1,e=0;inta,b,t;printf(请输入1-10以内的整数,\n);while(d==1){printf(玩家的选择:);scanf(%d,&a);do{if((a=0)&&(a11))break;else{printf(错误);scanf(%d,&a);}}while(e==0);b=rand()%10+1;printf(npc:%d,b);t=a-b;if(t==0)printf(\nRight!\n);elseif(t0)printf(\nWrong!太小了\n);elseif(t0)printf(\nWrong!太大了\n);}return0;}万年历#includestdio.h#includestdlib.hvoidsetmonth(intr);voidmain(void){intyear,month,day,a,b,i,j,d,x,mon,k;do{printf(----------------------------------------------------\n);printf(查全年,输入1!\n);printf(查月份,输入2!\n);printf(查日期,输入3!\n);printf(继续?输入4!\n);printf(退出,输入5!\n);printf(-----------------------------------------------------\n);printf(请输入:);scanf(%d,&x);if(x==1){month=12;printf(输入年份:);scanf(%d,&year);}if(x==2){printf(输入年份:);scanf(%d,&year);printf(输入月份:);scanf(%d,&month);}if(x==3){printf(输入年份:);scanf(%d,&year);printf(输入月份:);scanf(%d,&mon);printf(输入日期:);scanf(%d,&day);month=mon-1;}if(x==5)exit(100);a=((year-1)*365+(year-1)/4-(year-1)/100+(year-1)/400)%7;for(i=1,d=0;i=month;i++){switch(i){case1:case3:case5:case7:case8:case10:case12:d=31;break;case2:if(!(year%4)&&(year%100)||!(year%400))d=29;elsed=28;break;case4:case6:case9:case11:d=30;}b=a%7;a+=d;if(x==1){printf(========================================================\n);setmonth(i);printf(************************************************\n);printf(========================================================\n);printf(星期一星期二星期三星期四星期五星期六星期天\n);for(j=1;j=b;j++)printf(%8c,'');for(j=1;j=d;j++){printf(%8d,j);if((j+b)%7==0)printf(\n);}}if(x==1)printf(\n);}if(x==2){printf(========================================================\n);setmonth(i-1);printf(************************************************\n);printf(========================================================\n);printf(星期一星期二星期三星期四星期五星期六星期天\n);for(j=1;j=b;j++)printf(%8c,'');for(j=1;j=d;j++){printf(%8d,j);if((j+b)%7==0)printf(\n);}printf(\n);}if(x==3){a+=day;a%=7;switch(a){case0:printf(%d.%d.%d星期一!,year,mon,day);break;case1:printf(%d.%d.%d星期二!,year,mon,day);break;case2:printf(%d.%d.%d星期三!,year,mon,day);break;case3:printf(%d.%d.%d星期四!,year,mon,day);break;case4:printf(%d.%d.%d星期五!,year,mon,day);break;case5:printf(%d.%d.%d星期六!,year,mon,day);break;default:printf(%d.%d.%d星期天!,year,mon,day);}printf(\n);}printf(是否继续？输入4继续，输入5退出：);scanf(%d,&k);}while(k==4);if(k==5)exit(100);}voidsetmonth(intr){switch(r){case1:printf(%4c一月份,'');break;case2:printf(%4c二月份,'');break;case3:printf(%4c三月份,'');break;case4:printf(%4c四月份,'');break;case5:printf(%4c五月份,'');break;case6:printf(%4c六月份,'');break;case7:printf(%4c七月份,'');break;case8:printf(%4c八月份,'');break;case9:printf(%4c九月份,'');break;case10:printf(%4c十月份,'');break;case11:printf(%2c十一月份,'');break;default:printf(%2c十二月份,'');}}ATM机#includestdio.h#includestdlib.h#definePassword123456main(){inta,i,b,q,c;floatm;m=3000.00;for(i=0;i=2;i++){printf(请输入密码\n);scanf(%d,&a);if(a==Password){printf(密码正确，欢迎使用\n);break;}elseprintf(密码错误，请重新输入\n);}{if(a!=Password)printf(您的操作错误超过3次，请取回卡\n);else{system(cls);printf(1.取款\n2.存款\n3.查询余额\n4.退出\n);}}while(b!=4){scanf(%d,&b);switch(b){case1:system(cls);printf(请输入你要取款的金额\n);scanf(%d,&q);printf(取款成功，请选择你要进行的操作\n);m=m-q;break;case2:system(cls);printf(请输入你要存入的金额\n);scanf(%d,&c);m=m+c;;printf(存款成功，请选择你要进行的操作\n);break;case3:system(cls);printf(您的余额为%.2f\n,m);break;case4:system(cls);printf(谢谢使用);break;}}return0;}学生成绩#includestdio.h#includestdlib.hfloats[3][4];intr=0,c=0;voidpjf(void){inti,j,cour=0;for(j=0;j4;j++){for(i=0;i3;i++)cour+=s[i][j];printf(第%d课的平均分是%d\n,(j+1),cour/3);cour=0;}}voiddkzg(void){inti,j,high=0;for(j=0;j4;j++){for(i=0;i3;i++){if(s[i][j]high){high=s[i][j];r=i+1;c=j+1;}}printf(最高分是%d,学生是%d,课程是%d\n,high,r,c);r=0;c=0;high=0;}}intmain(){inti,j;floatscore=0;for(i=0;i3;i++){printf(enterNO.%dscore\n,i+1);for(j=0;j4;j++){scanf(%f,&s[i][j]);score+=s[i][j];}printf(第%d个学生的平均分是%f\n,(i+1),score/4);score=0;}pjf();dkzg();return0;}选票问题#includestdio.hvoidmain(){inti=1;charj;intnum[4]={0,0,0,0};printf(3位候选人,分别为A,B,CD为无效票,开始投票\n);while(i=10){printf(请输入第%d个的选票,i);scanf(%c,&j);switch(j)