#include <stdio.h>
#define max 11 // set over 6 //
#define cls system("cls")
#define pause system("pause")
void inputData();
void ouputData();
void modifyData();
void deleteData();
void vaild();
void calcRank();
void insert();
int main(){
static
int scoreArr[max][max];
int
sel;
int
set;
while(1){
for(set=0;set!=1;)
{
cls;
printf("==
Score Management Program ==\n\n");
printf("1.
Input\n");
printf("2.
Output\n");
printf("3.
Modify\n");
printf("4.
Delete\n");
printf("5.
End\n\n");
printf(">
"); scanf("%d",&sel);
if
(sel>0&&sel<6)
{
set=1;
}else{
printf("Wrong
Number, input number 1 ~ 5\n");
pause;
}
}
set=0;
switch(sel){//
select Menu function
case
1: inputData(scoreArr);
break;
case
2: ouputData(scoreArr);
break;
case
3: modifyData(scoreArr);
break;
case
4: deleteData(scoreArr);
break;
case
5: printf("Good bye\n");
exit(0);
break;
}
}
return
0;
}
void insert(int scoreArr[max][max],int id){
int
score,set;
printf("Input
scores of Korean, English, Math orderly.\n");
printf("Students
ID number : %2d\n",id);
scoreArr[id][0]=id;
for(set=0;set!=1;){
printf("%12s
:","Korean");fflush(stdin);scanf("%d",&score);
vaild(score,&set);
}
scoreArr[id][1]=score;
for(set=0;set!=1;){
printf("%12s
:","English");fflush(stdin);scanf("%d",&score);
vaild(score,&set);
}
scoreArr[id][2]=score;
for(set=0;set!=1;){
printf("%12s
:","Mathematics");fflush(stdin);scanf("%d",&score);
vaild(score,&set);
}
scoreArr[id][3]=score;
scoreArr[id][max-1]=1;
scoreArr[id][4]=scoreArr[id][1]+scoreArr[id][2]+scoreArr[id][3];
calcRank(scoreArr);
}
void modifyData(int scoreArr[max][max]){
int
sel,set=0;
int
j;
cls;
printf("Which
ID do you want to modify? :");
fflush(stdin); scanf("%d",&sel);
for
(j=1;j<max;j++)
{
if
(sel==scoreArr[j][0])
{
insert(scoreArr,j);
set=1;
break;
}
}
if
(set==0)
{
printf("It's
invalid ID\n");
pause;
}
calcRank(scoreArr);
}
void deleteData(int scoreArr[max][max]){
int
sel,set=0;
cls;
printf("==Warning==\nData
will be deleted\n");
printf("Which
ID do you want to delete? :");
fflush(stdin); scanf("%d",&sel);
scoreArr[sel][max-1]=0;
printf("ID
%d's data deleted\n",sel);
calcRank(scoreArr);
pause;
}
void calcRank(int scoreArr[max][max]){
int
i,j;
int
rank;
for
(i=1;i<max;i++)
{
rank=1;
for
(j=1;j<max;j++)
{
if
(scoreArr[i][4]<scoreArr[j][4]&&scoreArr[j][4]!=0&&scoreArr[j][max-1]!=0){
rank++;
}
}
scoreArr[i][5]=rank;
}
}
void vaild(int score, int *ck){
if
(score>=0&&score<=100)
{
*ck=
1;
}else{
printf("Wrong
number. Input again \n");
*ck=0;
}
}
void ouputData(int scoreArr[max][max]){
int
i,j;
char
grade;
cls;
printf("%8s|%8s|%8s|%8s|%8s|%8s|%8s|%8s|\n","ID","Korean","English"\
,"Math","Total","Average","Grade","Rank");
for
(i=1;i<max;i++)
{
if
(scoreArr[i][max-1]==1)
{
for
(j=0;j<5;j++)
{
printf("%8d|",scoreArr[i][j]);
}
printf("%8.2f|",scoreArr[i][4]/(float)3);
if
(scoreArr[i][4]>=270)
{
grade='A';
}else
if (scoreArr[i][4]>=240)
{
grade='B';
}else
if (scoreArr[i][4]>=210)
{
grade='C';
}else
if (scoreArr[i][4]>=180)
{
grade='D';
}else{
grade='F';
}
printf("%8c|",grade);
printf("%8d|\n",scoreArr[i][5]);
}
}
pause;
}
int idcheck(int scoreArr[max][max]){
int
i;
for
(i=1;i<max;i++)
{
if
(scoreArr[i][max-1]==0){
return
i;
}
}
return
i;
}
void inputData(int scoreArr[max][max]){
int
id;
cls;
id
= idcheck(scoreArr);
if
(id!=max)
{
insert(scoreArr,id);
}else{
printf("Data
Full. Delete data befor input data.\n");
pause;
}
}
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