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214 lines
4.1 KiB
214 lines
4.1 KiB
#include<stdio.h>
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#include<stdlib.h>
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#include<string.h>
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#define N 100 /*歌手人数最多100人*/
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#define M 10 /*评委人数10人*/
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int s;
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struct player
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{
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int num; /*歌手编号*/
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char name[100]; /*歌手姓名*/
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int score[10]; /*评委打分成绩*/
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float ave; /*歌手的平均分*/
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int index; /*歌手名次*/
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}singer[N];
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void f1(struct player singer[],int n) /*f1是输入选手信息的函数*/
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{
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int i;
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for(i=0;i<n;i++)
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{
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printf("输入第%d个歌手信息(歌手编号和姓名输入时用空格隔开): ",i+1);
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scanf("%d%s",&singer[i].num,&singer[i].name);
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}
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printf("\n\n");
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}
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void f2(int score[],int n) /*f2是输入评委打分的函数*/
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{
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int i;
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for(i=0;i<M;i++)
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{
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loop: printf("输入第%d位评委的打分(1-10): ",i+1);
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scanf("%d",&score[i]);
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if(score[i]<0||score[i]>10)
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{
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printf("输入错误请重新输入:\n");
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goto loop;
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}
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}
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printf("\n\n");
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}
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int main(void)
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{
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int n,i,j,c,sum=0;
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system("color f9"); /*改变窗口颜色*/
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printf("* * * * * * * * * * * * * * * * 歌手比赛系统 * * * * * * * * * * * * * * * * \n");
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printf("\n");
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printf(" 1 输入歌手数据 \n");
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printf(" 2 评委打分 \n ");
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printf(" 3 计算平均分 \n");
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printf(" 4 成绩排序 \n");
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printf(" 5 查询歌手信息 \n");
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printf(" 6 追加歌手 \n");
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printf(" 7 把数据写入文件 \n");
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printf(" 8 退出系统 \n");
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do
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{
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printf("输入序号进行操作:");
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scanf("%d",&n);
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switch(n)
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{
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case 1:
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printf("输入歌手人数(最多输入100名歌手): ");
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scanf("%d",&c);
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if(c>0&&c<=100)
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f1(singer,c);
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else
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printf("输入错误重新输入序号进行操作\n");
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break;
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case 2:
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for(i=0;i<c;i++)
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{
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printf("第%d位歌手的成绩如下:",i+1);
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printf("\n");
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f2(singer[i].score,M);
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}
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break;
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case 3:
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{
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float Max[c],Min[c],sum[c];
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for(i=0;i<c;i++) /*通过双循环计算出各位手的平均分*/
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{
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Max[i]=singer[i].score[0]; /*设第i位歌手的评委一给的成绩为最大值*/
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Min[i]=singer[i].score[0];
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sum[i]=0;
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for(j=0;j<M;j++)
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{
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sum[i]=sum[i]+singer[i].score[j];
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if(Max[i]<singer[i].score[j])
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Max[i]=singer[i].score[j];
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if(Min[i]>singer[i].score[j])
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Min[i]=singer[i].score[j];
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}
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singer[i].ave=(sum[i]-Max[i]-Min[i])/(M-2);
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}
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for(i=0;i<c;i++)
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{
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printf("第%d歌手信息: ",i+1);
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printf("歌手编号为:%d 歌手姓名为:%s 歌手平均分:%.2f",singer[i].num,singer[i].name,singer[i].ave);
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printf("\n");
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}
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printf("\n\n");
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break;
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}
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case 4:
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int i,j,k;
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struct player temp;
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for(i=0;i<c-1;i++) /*使用冒泡法对平均分进行排序*/
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{
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k=i;
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for(j=i+1;j<c;j++)
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if(singer[j].ave>singer[k].ave)
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k=j;
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temp=singer[k];
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singer[k]=singer[i];
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singer[i]=temp;
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}
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printf("各位歌手按平均分进行排序从高到低如下:\n\n ");
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for(i=0;i<c;i++)
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{
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singer[i].index=i+1;
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printf("第%d名的歌手信息:\n",i+1);
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printf("歌手名次为:%d 编号为:%d 姓名为:%s 平均分成绩为:%.2f",singer[i].index,singer[i].num,singer[i].name,singer[i].ave);
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printf("\n");
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}
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printf("\n\n");
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break;
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case 5:
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int m;
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printf("输入你想查询的歌手编号:");
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scanf("%d",&m);
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for(i=0;i<c;i++)
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if(singer[i].num==m)
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{
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printf("该歌手名次:%d 该歌手的名字:%s 该歌手的平均分:%.2f",singer[i].index,singer[i].name,singer[i].ave);
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printf("\n");
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}
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printf("\n");
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break;
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case 6:
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{
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int add=c,d;
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printf("追加歌手的人数:");
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scanf("%d",&s);
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d=add+s;
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for(add;add<d;add++)
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{
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printf("输入要追加的歌手编号名字:");
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scanf("%d%s",&singer[add].num,&singer[add].name);
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}
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printf("\n");
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}
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break;
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case 7:
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FILE *fp;
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printf("将数据写入文件:\n");
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fp=fopen("D:\\singer.txt","w");
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for(int i=0;i<c+s;i++)
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{
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fprintf(fp,"%d %d %s %f\n",singer[i].index,singer[i].num,singer[i].name,singer[i].ave);
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}
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fclose(fp);
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break;
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case 8:
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exit(0);
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break;
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default:
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printf("操作错误\n\n");
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main();
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return 0;
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}
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}while(n!=0);
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return 0;
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}
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