parent
1403fafd16
commit
750a1a6825
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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//初始化声明
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int addnum=0;
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struct info{
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int number;
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int clas;
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char name[20];
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float math;
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float physic;
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float english;
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float grade;
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};
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struct info stu[20];
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int judge();
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void swap(int i,int j);
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void initial();
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void ind();
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void inputinfop1();
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void deleteinfop2();
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void selectinfop3();
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void rangeinfop4();
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void printinfop5();
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//主程序
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int main(){
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initial();
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int in;
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while(1){
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ind();
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scanf("%d",&in);
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switch(in){
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case 1:
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printf("You are trying to Input info\n");
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inputinfop1();break;
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case 5:
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printf("You are trying to Output info\n");
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printinfop5();break;
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case 4:
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printf("You are trying to Make things ordered\n");
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rangeinfop4();
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break;
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case 6:
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printf("You are about to Quit\n");return 0;
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case 2:deleteinfop2();break;
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case 3:selectinfop3();break;
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default:
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printf("Wrong input\n");break;
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}
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}
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return 0;
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}
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//初始化ini
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void initial(){
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int i;
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for(i=0;i<20;i++){
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stu[i].number=0;
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stu[i].math=0.0;
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stu[i].physic=0.0;
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stu[i].english=0.0;
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stu[i].clas=0;
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memset(stu[i].name,0,sizeof(stu[i].name));
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}
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return;
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}
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//输入步骤
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void inputinfop1(){
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int j,k,l,temp,num=0;
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char str[10];
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float total[2][20];
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memset(total,0,sizeof(total));
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do{
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printf("Id ");
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scanf("%d",&stu[addnum].number);
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printf("class ");
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scanf("%d",&stu[addnum].clas);
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printf("name ");
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scanf("%s",&stu[addnum].name);
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printf("score1 ");
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scanf("%f",&stu[addnum].math);
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printf("score2 ");
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scanf("%f",&stu[addnum].physic);
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printf("score3 ");
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scanf("%f",&stu[addnum].english);
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stu[addnum].grade=stu[addnum].math+stu[addnum].physic+stu[addnum].english;
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total[1][addnum]=stu[addnum].grade;
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total[0][addnum]=addnum;
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addnum++;
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num++;
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if(judge()){
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continue;
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}
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else{
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break;
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}
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}while(1);
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//排序
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//
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}
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//rangeinfo
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void rangeinfop4(){
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int i,j,k,l=0,num=addnum,clas[20];
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float grade[20];
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for(i=0;i<num;i++){
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clas[i]=stu[i].clas;
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grade[i]=stu[i].grade;
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}
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for(j=0;j<num-1;j++){
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for(k=0;k<num-1;k++){
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if(clas[k]>clas[k+1]){
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swap(k,k+1);
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}
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}
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}
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while(clas[l]==clas[l+1]&&l<num-1){
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if(grade[l]<grade[l+1]){
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swap(l,l+1);
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}
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l++;
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}
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printinfop5();
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}
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//selectinfo
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void selectinfop3(){
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int j,num=addnum,jud=1;
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char selnum[20];
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while(1){
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scanf("%s",&selnum);
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for(j=0;j<num;j++){
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if((atoi(selnum)==stu[j].number)||(atoi(selnum)==stu[j].clas)){
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printf("%d,%d,%s,%.1f,%.1f,%.1f,%.1f\n",stu[j].number,stu[j].clas,stu[j].name,stu[j].math,stu[j].physic,stu[j].english,stu[j].grade);
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jud=0;
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}
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}
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if(jud){
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printf("there is no eligible student \n");
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}
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if(judge()){
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continue;
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}
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else{
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break;
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}
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}
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}
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//deleteinfo
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void deleteinfop2(){
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int num=addnum,i,j;
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char delnum[20];
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while(1){
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scanf("%s",&delnum);
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if(delnum[0]>='0'&&delnum[0]<='9'){
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for(i=0;i<num;i++){
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if(atoi(delnum)==stu[i].number){
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for(j=i;j<num-1;j++){
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stu[j].number=stu[j+1].number;
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stu[j].clas=stu[j+1].clas;
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strcpy(stu[j].name,stu[j+1].name);
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stu[j].math=stu[j+1].math;
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stu[j].english=stu[j+1].english;
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stu[j].physic=stu[j].physic;
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stu[j].grade=stu[j+1].grade;
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}
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addnum--;
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break;
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}
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}
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}
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else{
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for(i=0;i<num;i++){
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if(strcmp(delnum,stu[i].name)==0){
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for(j=i;j<num-1;j++){
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stu[j].number=stu[j+1].number;
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stu[j].clas=stu[j+1].clas;
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strcpy(stu[j].name,stu[j+1].name);
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stu[j].math=stu[j+1].math;
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stu[j].english=stu[j+1].english;
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stu[j].physic=stu[j].physic;
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stu[j].grade=stu[j+1].grade;
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}
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addnum--;
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break;
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}
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}
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}
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if(judge()){
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continue;
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}
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else{
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break;
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}
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}
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printinfop5();
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}
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//索引
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void ind(){
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int i,j;
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printf("\n");
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for(i=1;i<=6;i++){
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printf("%d.",i);
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switch(i){
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case 1:printf("input\n");break;
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case 2:printf("delete\n");break;
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case 3:printf("select\n");break;
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case 4:printf("order\n");break;
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case 5:printf("output\n");break;
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case 6:printf("quit\n");break;
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}
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}
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printf("please input your option");
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}
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//输出info
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void printinfop5(){
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int j;
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for(j=0;j<addnum;j++){
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printf("%d,%d,%s,%.1f,%.1f,%.1f,%.1f\n",stu[j].number,stu[j].clas,stu[j].name,stu[j].math,stu[j].physic,stu[j].english,stu[j].grade);
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}
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}
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//继续输入?
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int judge(){
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char judge[]="yes",str[20];
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printf("continue?\n");
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scanf("%s",&str);
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if((int)strcmp(str,judge)==0){
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return 1;
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}
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else{
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return 0;
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}
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}
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//swap
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void swap(int i,int j){
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int tempint;
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char tempchar[20];
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float tempfloat;
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tempint=stu[i].number;
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stu[i].number=stu[j].number;
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stu[j].number=tempint;
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tempint=stu[i].clas;
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stu[i].clas=stu[j].clas;
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stu[j].clas=tempint;
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strcpy(tempchar,stu[i].name);
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strcpy(stu[i].name,stu[j].name);
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strcpy(stu[j].name,tempchar);
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tempfloat=stu[i].english;
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stu[i].english=stu[j].english;
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stu[j].english=tempfloat;
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tempfloat=stu[i].math;
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stu[i].math=stu[j].math;
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stu[j].math=tempfloat;
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tempfloat=stu[i].physic;
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stu[i].physic=stu[j].physic;
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stu[j].physic=tempfloat;
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tempfloat=stu[i].grade;
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stu[i].grade=stu[j].grade;
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stu[j].grade=tempfloat;
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}
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