LATIHAN UTS ALGORITMA & PEMROGRAMAN

#include<stdio.h>
#include<ctype.h>
#include<string.h>
#include<stdlib.h>

int main(){
    char nim[50][12];
    char nama[50][20];
    int nilai[50];
    char temp[3];
    int mhs;
    int i,flag,j;
    for(i=0;i<25;i++)
        printf("\n");
    printf("Press Enter To Continue...");
    getchar();
    for(i=0;i<25;i++)
        printf("\n");
    do{
        mhs=-1;
        printf("Masukan Jumlah Mahasiswa [1...20]: ");
        scanf("%s",temp);fflush(stdin);getchar();
        flag=0;
        for(j=0;j<strlen(temp);j++){
            if(!isdigit(temp[j])){
                printf("Harus Angka\n");
                flag=1;
                break;
            }
        }
        if(flag==0)
            mhs=atoi(temp);
    }while(mhs<0||mhs>20);
    for(i=0;i<25;i++)
        printf("\n");
    i=0;
    do{
        do{
            printf("Masukan Nama Mahasiswa ke-%d[5..15]: ",i+1);
            scanf("%[^\n]",nama[i]);fflush(stdin);getchar();
            flag=0;
            if(strlen(nama[i])<5||strlen(nama[i])>15){
                flag=1;
                printf("Panjang Nama tidak sesuai\n");
            }
            for(j=0;j<strlen(nama[i]);j++){
                if(!isalpha(nama[i][j])){
                    printf("Tidak boleh mengandung angka\n");
                    flag=1;
                    break;
                }
            }
        }while(flag==1);
        do{
            flag=0;
            printf("Masukan NIM[9..12]: ");
            scanf("%s",nim[i]);fflush(stdin);getchar();
            for(j=0;j<strlen(nim[i]);j++){
                if(isalpha(nim[i][j])){
                    printf("Harus angka\n");
                    flag=1;
                    break;
                }
            }
            if(strlen(nim[i])<9||strlen(nim[i])>12){
                printf("Panjang Nim tidak sesuai\n");
                flag=1;
            }
        }while(flag==1);
        do{
            nilai[i]=-1;
            printf("Masukan nilai [0...100]: ");
            scanf("%s",temp);fflush(stdin);getchar();
            flag=0;
            for(j=0;j<strlen(temp);j++){
                if(!isdigit(temp[j])){
                    printf("Harus Angka\n");
                    flag=1;
                    break;
                }
            }
            if(flag==0)
                nilai[i]=atoi(temp);
        }while(nilai[i]<0||nilai[i]>100);
        i++;
    }while(i<mhs);
    for(i=0;i<25;i++)
        printf("\n");
    printf("Input Data Selesai\nPress Enter...\n");
    getchar();
    for(i=0;i<25;i++)
        printf("\n");
    printf("No.\t|NIM\t\t|Nama\t\t\t|Nilai\n___________________________________________\n");
    int maks=-1,min=101,avg=0;
    for(i=0;i<mhs;i++){
        printf("%d\t|%s\t|%s\t\t|%d\n",i+1,nim[i],nama[i],nilai[i]);
        if(nilai[i]>maks){
            maks=nilai[i];
        }
        if(nilai[i]<min){
            min=nilai[i];
        }
        avg+=nilai[i];
    }
    printf("___________________________________________\n");
    printf("Nilai Maksimum : %d\n",maks);
    printf("Nilai Minimum  : %d\n",maks);
    printf("Nilai Rata-rata: %d\n",avg/mhs);
    printf("Press Enter To Close Program");
    getchar();

}