diff --git a/改版歌手比赛系统.cpp b/改版歌手比赛系统.cpp
new file mode 100644
index 0000000..dbe95e0
--- /dev/null
+++ b/改版歌手比赛系统.cpp
@@ -0,0 +1,211 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+
+#define N 100       /*¸èÊÖÈËÊý×î¶à100ÈË*/ 
+#define M 10       /*ÆÀίÈËÊý10ÈË*/ 
+
+	struct player
+	{
+		int num;           /*¸èÊÖ±àºÅ*/ 
+		char name[100];     /*¸èÊÖÐÕÃû*/
+		int  score[10];    /*ÆÀί´ò·Ö³É¼¨*/  
+		float ave;     /*¸èÊÖµÄƽ¾ù·Ö*/
+		int index;
+	}singer[M];
+
+void f1(struct player singer[],int n)          /*f1ÊÇÊäÈëÑ¡ÊÖÐÅÏ¢µÄº¯Êý*/
+{
+int i;
+for(i=0;i<n;i++) 
+{
+	
+	 
+printf("ÊäÈëµÚ%d¸ö¸èÊÖÐÅÏ¢(¸èÊÖ±àºÅºÍÐÕÃûÊäÈëʱÓÿոñ¸ô¿ª): ",i+1);
+scanf("%d%s",&singer[i].num,&singer[i].name);
+
+}
+printf("\n\n");
+}
+void f2(int score[],int n)                        /*f2ÊÇÊäÈëÆÀί´ò·ÖµÄº¯Êý*/ 
+{
+	int i;
+	for(i=0;i<M;i++)
+	{
+
+	loop: printf("ÊäÈëµÚ%dλÆÀίµÄ´ò·Ö(1-10): ",i+1);
+	
+	 
+	scanf("%d",&score[i]);
+if(score[i]<0||score[i]>10)
+{
+	printf("ÊäÈë´íÎóÇëÖØÐÂÊäÈë:\n");
+	 goto loop;
+}
+	
+}
+printf("\n\n");
+}
+
+
+int main(void)
+{
+int n,i,j,c,sum=0;
+	system("color f9");       /*¸Ä±ä´°¿ÚÑÕÉ«*/
+printf("                         ¸èÊÖ±ÈÈüϵͳ                      \n");
+	printf("\n");
+	printf("             1 ÊäÈë¸èÊÖÊý¾Ý                    \n");
+	printf("             2 ÆÀί´ò·Ö                        \n ");
+	printf("            3 ¼ÆËãƽ¾ù·Ö                       \n");
+	printf("             4 ³É¼¨ÅÅÐò                         \n");
+	printf("             5 ²éѯ¸èÊÖÐÅÏ¢                      \n"); 
+	printf("             6 ×·¼Ó¸èÊÖ                           \n");
+	printf("             7 °ÑÊý¾ÝдÈëÎļþ                      \n");
+	printf("             8 Í˳öϵͳ                            \n");
+		do
+	
+		{
+	printf("ÊäÈëÐòºÅ½øÐвÙ×÷:");
+	  scanf("%d",&n);
+
+		switch(n)
+		{
+	
+			case 1: 
+
+	
+			  printf("ÊäÈë¸èÊÖÈËÊý(×î¶àÊäÈë100Ãû¸èÊÖ): ");
+			 scanf("%d",&c);
+			 if(c>0&&c<=100)
+			
+		f1(singer,c);
+		
+			else
+			
+			printf("ÊäÈë´íÎóÖØÐÂÊäÈëÐòºÅ½øÐвÙ×÷\n"); 
+			break;
+		
+
+		
+			case 2:
+				for(i=0;i<c;i++)
+			{
+				printf("µÚ%dλ¸èÊֵijɼ¨ÈçÏÂ:",i+1);
+				printf("\n");
+				f2(singer[i].score,M);
+				
+				}
+				break; 
+					case 3:
+		{
+				float Max[c],Min[c],sum[c]; 
+		for(i=0;i<c;i++)                      /*ͨ¹ýË«Ñ­»·¼ÆËã³ö¸÷λÊÖµÄƽ¾ù·Ö*/
+		{
+			
+			Max[i]=singer[i].score[0];       /*ÉèµÚiλ¸èÊÖµÄÆÀίһ¸øµÄ³É¼¨Îª×î´óÖµ*/ 
+		Min[i]=singer[i].score[0];
+		sum[i]=0;
+		for(j=0;j<M;j++)
+		{
+			sum[i]=sum[i]+singer[i].score[j];
+			if(Max[i]<singer[i].score[j])
+			Max[i]=singer[i].score[j];
+			if(Min[i]>singer[i].score[j])
+			Min[i]=singer[i].score[j];
+		}
+		singer[i].ave=(sum[i]-Max[i]-Min[i])/(M-2);
+	}
+	for(i=0;i<c;i++)
+	{
+	printf("µÚ%d¸èÊÖÐÅÏ¢: ",i+1); 
+	printf("¸èÊÖ±àºÅΪ:%d ¸èÊÖÐÕÃûΪ:%s ¸èÊÖƽ¾ù·Ö:%.2f",singer[i].num,singer[i].name,singer[i].ave);
+	printf("\n");
+}
+printf("\n\n");
+ 
+ 
+	break;
+}
+	case 4:
+		int i,j,k; 
+		
+		struct player temp;
+		for(i=0;i<c-1;i++)           /*ʹÓÃðÅÝ·¨¶Ôƽ¾ù·Ö½øÐÐÅÅÐò*/
+		{
+			k=i;
+			for(j=i+1;j<n;j++) 
+			if(singer[j].ave>singer[k].ave)
+			k=j;
+			temp=singer[k];
+			singer[k]=singer[i];
+			singer[i]=temp;
+			
+		}
+			printf("¸÷λ¸èÊÖ°´Æ½¾ù·Ö½øÐÐÅÅÐò´Ó¸ßµ½µÍÈçÏÂ:\n\n ");
+		for(i=0;i<c;i++)
+  
+	{ 
+
+	singer[i].index=i+1;
+	
+	printf("µÚ%dÃûµÄ¸èÊÖÐÅÏ¢:\n",i+1); 
+		printf("¸èÊÖÃû´ÎΪ:%d ±àºÅΪ:%d ÐÕÃûΪ:%s ƽ¾ù·Ö³É¼¨Îª:%.2f",singer[i].index,singer[i].num,singer[i].name,singer[i].ave);
+		printf("\n");
+	} 
+	printf("\n\n");
+		break;
+	
+		case 5:
+			int m;
+			printf("ÊäÈëÄãÏë²éѯµÄ¸èÊÖ±àºÅ:");
+			scanf("%d",&m);
+			for(i=0;i<c;i++)
+			if(singer[i].num==m)
+			{
+				printf("¸Ã¸èÊÖÃû´Î:%d ¸Ã¸èÊÖµÄÃû×Ö:%s ¸Ã¸èÊÖµÄƽ¾ù·Ö:%.2f",singer[i].index,singer[i].name,singer[i].ave);
+				printf("\n");
+			}
+			printf("\n");
+			break;
+			case 6:
+		{
+		
+				int add=c,s,d;
+					
+					printf("×·¼Ó¸èÊÖµÄÈËÊý:");
+					scanf("%d",&s);
+				d=add+s;
+			for(add;add<d;add++)
+			{
+			printf("ÊäÈëҪ׷¼ÓµÄ¸èÊÖ±àºÅÃû×Ö:");
+				scanf("%d%s",&singer[add].num,&singer[add].name);
+			}
+	}
+				break;
+			
+			case 7:
+				FILE *fp;
+				printf("½«Êý¾ÝдÈëÎļþ:\n");
+			fp=fopen("singer.txt","w");
+		
+				for(int i=0;i<N;i++)
+				{
+					fprintf(fp,"%d%d%s%f\n",singer[i].index,singer[i].num,singer[i].name,singer[i].ave);
+				}
+				fclose(fp);
+	
+				break;
+				case 8:
+					exit(0);
+					break;
+					default:  
+						printf("ÊäÈë´íÎó\n\n");
+				main();
+				return 0;
+				
+		}
+
+	}while(n!=0);
+
+	return 0; 
+}