有五个学生,每个学生有三门课程的成绩,从键盘输入学生数据(包括学号,姓名,3门课程成绩），计算出平均成绩 有5个学生,每个学生有3门课的成绩,从键盘输入以上的数据(包...
C\u8bed\u8a00\u7f16\u7a0b\u9898\uff1a\u67095\u4e2a\u5b66\u751f\uff0c\u6bcf\u4e2a\u5b66\u751f\u67093\u95e8\u8bfe\u6210\u7ee9\uff0c\u4ece\u952e\u76d8\u4e0a\u8f93\u5165\u4ee5\u4e0a\u6570\u636e\uff08\u5305\u62ec\u5b66\u53f7\u3001\u59d3\u540d\u3001\u6570\u5b66\u8bed\u6587\u82f1#include #include #define NAME_MAX 10#define NUMBER_MAX 10#define STUDENTS_MAX 5#define CLEAR_ENTER(array) for(int idx=0;array[idx]!='\0';idx++)\if(array[idx]=='\n')\array[idx]='\0';typedef unsigned int Uint32;typedef struct stu{char name[NAME_MAX];char stu_number[NUMBER_MAX];Uint32 chinese;Uint32 math;Uint32 english;} stu;int main(void){stu students[STUDENTS_MAX];int idx=0;printf("\u8f93\u51655\u4e2a\u5b66\u751f\u7684\u4fe1\u606f\n");for(idx=0;idx<STUDENTS_MAX;idx++){printf("name:");fgets(students[idx].name,NAME_MAX,stdin);printf("number:");//fgets(students[idx].stu_number,NUMBER_MAX,stdin);fgets(students[idx].stu_number,NUMBER_MAX,stdin);printf("\u4e09\u9879\u5206\u6570(\u8bed\u6587\uff0c\u6570\u5b66\uff0c\u82f1\u8bed)\uff1a");scanf("%d%d%d",&students[idx].chinese,&students[idx].math,&students[idx].english);getchar();}FILE * fp = fopen("stu.txt","w+");if(!fp)return -1;for(idx=0;idx<STUDENTS_MAX;idx++){printf("name:%s\nnumber:%s\nchinese:%d\nmath:%d\nenglish:%d\n",students[idx].name,students[idx].stu_number,students[idx].chinese,students[idx].math,students[idx].english);fprintf(fp,"name:%s\nnumber:%s\nchinese:%d\nmath:%d\nenglish:%d\n",students[idx].name,students[idx].stu_number,students[idx].chinese,students[idx].math,students[idx].english);}system("pause");return 0;}\u7b80\u5355\u7684\u5199\u4e86\u4e00\u4e2a\uff0c\u6ca1\u6709\u8c03\u8bd5\u8fc7\u3002\u7f16\u8bd1\u901a\u8fc7\uff0cMingw3.4.7.
float aver;};struct Student stud[SIZE],temp;int main(){void sort();int i;FILE *fp;sort();if ((fp=fopen("d:\\stud_sort.dat","rb"))==NULL){printf("\u6587\u4ef6\u4e0d\u80fd\u6253\u5f00\n\n");exit(0);}printf("\u6392\u5e8f\u540e\u7684\u5b66\u751f\u6210\u7ee9\u5982\u4e0b:\n");printf("----------------------------------------------------\n");printf("\u5b66\u53f7 \u59d3\u540d \u6570\u5b66 \u82f1\u8bed \u7f16\u7a0b \u5e73\u5747\u5206 \n");printf("----------------------------------------------------\n");for (i=0;i<SIZE;i++){fread(&stud[i],sizeof(struct Student),1,fp);printf("%u\t%s\t%.1f\t%.1f\t%.1f\t%.1f\n",stud[i].id,stud[i].name,stud[i].math,stud[i].English,stud[i].program,stud[i].aver);}printf("\n");fclose(fp);return 0;}void sort(){FILE *fp1,*fp2;int i,j;if ((fp1=fopen("d:\\stud.dat","rb"))==NULL){printf("\u6587\u4ef6\u4e0d\u80fd\u6253\u5f00\n\n");exit(0);}if ((fp2=fopen("d:\\stud_sort.dat","wb"))==NULL){printf("\u6587\u4ef6\u5199\u5165\u65f6\u51fa\u9519\n");exit(0);}for (i=0;i<SIZE;i++)if (fread(&stud[i],sizeof(struct Student),1,fp1)!=1){printf("\u6587\u4ef6\u8bfb\u53d6\u65f6\u51fa\u9519\n");exit(0);}for (i=0;i<SIZE;i++){for (j=i+1;j<SIZE;j++)if (stud[i].aver<stud[j].aver){temp=stud[i];stud[i]=stud[j];
经测试，程序正确运行，并把输入结果保存在stud文件中。源代码如下：
#include <stdio.h>
#define ID 11
typedef struct _stu
{
char id[ID];
int sco1;
int sco2;
int sco3;
}stu;
int main()
{
int i;
stu s[5];
FILE *fp;
float ave;
printf("请输入五个学生的学号和三门成绩：\n");
for(i=0;i<5;i++)
{
scanf("%s%d%d%d",s[i].id,&s[i].sco1,&s[i].sco2,&s[i].sco3);
}
if((fp=fopen("stud","w"))==NULL)
{
printf("文件打开失败\n");
return ;
}
for(i=0;i<5;i++)
{
ave=(s[i].sco1+s[i].sco2+s[i].sco3)/3.0;
fprintf(fp,"%s %d %d %d %.2f\n",s[i].id,s[i].sco1,s[i].sco2,s[i].sco3,ave);
}
fclose(fp);
return 0;
}
绛旓細FILE *fp;float ave;printf("璇疯緭鍏浜斾釜瀛︾敓鐨勫鍙峰拰涓夐棬鎴愮哗锛歕n");for(i=0;i<5;i++){ scanf("%s%d%d%d",s[i].id,&s[i].sco1,&s[i].sco2,&s[i].sco3);} if((fp=fopen("stud","w"))==NULL){ printf("鏂囦欢鎵撳紑澶辫触\n");return ;} for(i=0;i<5;i++){ ave=...
绛旓細骞冲潎鎴愮哗,鍐靛師鏈夌殑鏁版嵁鍜岃绠楀嚭鐨勫钩鍧囧垎鏁板瓨鏀惧湪纾佺洏鏂囦欢"stud"涓.1.绋嬪簭鍒嗘瀽:2.绋嬪簭婧愪唬鐮:include "stdio.h"struct student { char num[6];char name[8];int score[3];float avr;} stu[5];main(){int i,j,sum;FILE *fp;/*input*/ for(i=0;i<5;i++){ printf("\n please inp...
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绛旓細System.out.println("涓夐棬璇鐨勫钩鍧囨垚缁╂槸锛"+avg);} }
绛旓細int score[4] ;float avr;}stu[N];void main(){ int i,j,max,maxi,sum;float average;for(i=0;i<N;i++){ printf("Input scores of student %d:\n",i+1); //杈撳叆姣忎釜瀛︾敓鐨勬暟鎹 printf("NO.:");scanf("%s",stu[i].num);printf("name:");scanf("%s",stu[i].name);for(...
绛旓細-1,num=0; //max 涓嶉渶瑕佸畾涔夋暟缁刦or(i=0;i<5;i++){scanf("%ld",&a[i].num);for(j=0;j<3;j++){scanf("%f",&a[i].s[j]); //杩欏効鏄诞鐐规暟锛岃緭鍏ュ簲璇ユ槸%f}}for(i=0;i<5;i++){if(a[i].s[1] > max)max = a[i].s[1]; //s[1] 涓瓨鐨勬暟瀛︽垚缁﹠printf(...
绛旓細printf("绗%d闂ㄨ鎴愮哗:",j+1);scanf("%f",&adt.stud[i].claRes[j]);adt.stud[i].sum+=adt.stud[i].claRes[j];} } printf("缁撴灉锛歕n");for(i=0;i<stuNum;i++){ printf("绗%d涓鐢鐨勪俊鎭:\n",i+1);printf("濮撳悕:%s\n",adt.stud[i].name);for(j=0;j<claNum;j++...
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绛旓細for(i=1;i<=5;i++){ printf("%s%d%s\n","杈撳叆绗",i,"涓鐢淇℃伅(绉戠洰涔嬮棿鐩稿樊涓涓猼ab閿)锛");printf("%s\t%s\t%s\t\n","MATH","C","ENGLISH");scanf("%d %d %d",&info[i-1].MATH,&info[i-1].C,&info[i-1].ENGLISH);info[i-1].TOTAL=info[i-1].MATH+info[i-...
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