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12th May 2011 20:10 #1Registered User
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Location: Shumen
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C++
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Code:#include <stdio.h> #include <conio.h> struct student{ char ime[31]; char EGN[11]; long FN; int oc[10]; float sru; }; FILE *fp; char fime[31]; student stud; // vuvejdane na 1 sudent void readStud(student *st) { int i; printf(":");gets(st->ime); printf(":");gets(st->EGN); printf(". :");scanf("%ld",&st->FN); printf(" 10 :\n"); for (i=0;i< 10;i++){ printf(" %d-a :",i+1);scanf("%d",&st- >oc[i]); } int j,s=0; for(j=0;j<10;j++) s+=st->oc[j]; st->sru=s/10.0; getchar(); } //izvejdane na studenti i izchislqvane na sreden uspeh void writeStud(student st) { int i; printf(": %s\n",st.ime); printf(": %s\n",st.EGN); printf(". :%06ld\n",st.FN); printf(": "); for (i=0;i<10;i++) printf("%d ",st.oc[i]); printf("\n"); printf(" : %4.2f\n",st.sru); } // suzdavane na fail void sazdaj(){ fp=fopen(fime,"w");fclose(fp); printf(" !\n"); } //dobavqne kym failut void dobavi (){ fp=fopen(fime,"a+b"); char ch; do { readStud(&stud); fwrite(&stud,sizeof(stud),1,fp); printf(" ((d)/(n))?");ch=getchar();getchar(); }while (ch!='n'); fclose (fp); } void spisukall() { int k=0; fp = fopen(fime,"rb"); fread(&stud,sizeof(stud),1,fp); while (!feof(fp)) { writeStud(stud); k++; fread(&stud,sizeof(stud),1,fp); } fclose(fp); printf(": %d\n",k); } //glavna programa main () { char otg[3]; printf(" :");gets(fime); do { printf(" \n"); printf(" 1. \n"); printf(" 2. \n"); printf(" 3. \n"); printf(" (0) : ");gets(otg); switch (otg[0]) { case '1':sazdaj();break; case '2':dobavi();break; case '3':spisukall();break; } }while (otg[0]!='0'); }Last edited by stosem; 12th May 2011 at 20:29.
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12th May 2011 20:20 #2
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12th May 2011 20:28 #3Registered User
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