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| #include <stdio.h>
#include <conio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
struct SPR
{
int TN,chR;
char NPR[80],na[80];
float TP, SOPF, PR, FO;
};
void menu();
void new_file();
void open_file();
void obrabotka();
//ob'javlenie funkcii
int main()
{
menu();
getch();
return 0;
}
//menu vizov
void menu()
{
int mn;
system ("cls");
while (1)
{
printf("\n1. New file\n");
printf("\n2. Open file\n");
printf("\n3. Edit file\n");
printf("\n4. Exit\n\n");
printf("Select variant ");
scanf("%d",&mn);
if(mn>=1 && mn<=4) break;
system ("cls");
printf("\tNot found variant!\n");
}
system ("cls");
switch (mn)
{
case 1: new_file();
case 2: open_file();
case 3: obrabotka();
default : exit(0);
}
}
//opisanie menu chto v nego vhodet
void new_file()
{
SPR x;
FILE *fz;
int i,N;
printf("N=");
scanf("%d",&N);
fz=fopen("H:\\devC++\\input.txt","wb");
if(fz==NULL)
{
perror("Error of SPRAVKA fail!\n");
getch();
exit(0);
}
for (i=1; i<=N; i++)
{
printf("TN= ");
scanf ("%d",&x.TN);
while (getchar()!='\n');
//vivod nomera predpriatia
printf("NPR= ");
gets (x.NPR);
//vvod imeni predpriatia
printf("TP=");
scanf("%f",&x.TP);
//vvod tovarnoi produkcii
printf("SOPF= ");
scanf ("%f",&x.SOPF);
//vvod stoimosti osnovnix proizvodstvennih fondov
printf("chR= ");
scanf("%d",&x.chR);
//vvod chislennosti rabotaushih
x.PR=x.TP/x.chR;
//vichislenie proizvoditel'nosti truda
x.FO=x.TP/x.SOPF;
//vichislenie fondootdachi
fwrite(&x,sizeof(x),1,fz);
//vivod na zapis' v fail
}
fclose(fz);
printf("File sozdan i zaptsan!\n\n\n");
getch();
menu();
}
//zakritie potoka sozdania i zapici
void open_file()
{
SPR x;
FILE *fz;
int i,N;
printf("N=");
scanf("%d",&N);
fz=fopen("H:\\devC++\\input.txt","rb");
if (fz==NULL)
{
perror("error of fz file!\n");
getch();
exit(0);
}
//otkritie potoka chtenia i proverka sushestvovania faila
printf(" Spravka o predpriatiah.\n");
printf("_____________________________________________________________________\n");
printf("|N | NPR | TP | SOPF | chR | PR | FO |\n");
printf("_____________________________________________________________________\n");
for(i=0; i<=N; i++)
{
printf ("|%d %s %f %f %d %f %f |\n",x.TN,x.NPR,x.TP,x.SOPF,x.chR,x.PR,x.FO);
fread(&x,sizeof(x),1,fz);
}
printf("_____________________________________________________________________\n");
fclose (fz);
getch();
menu();
}
//zakritie potoka s neotsortirovannoi tablicei
void obrabotka()
{
SPR x;
FILE *fz;
int i,N;
float z1,z2;
int Sch=0,j=0,k=0;
float maxTP=-100000,minTP=100000,minFO=100000,SFO=0,SPR=0,S1=0,S2=0;
char na[80],NPR[80];
printf("N= ");
scanf("%d",&N);
printf("Vvedite nizhnuu granicy tovarnoi produkcii z1= ");
scanf("%f",&z1);
printf("Vvedite verhnuu granicy tovarnoi produkcii z2= ");
scanf ("%f",&z2);
fz=fopen("H:\\devC++\\input.txt","rb+");
if (fz==NULL)
{
perror("error of fz file!\n");
getch();
exit(0);
}
//otkritie potoka chtenia ili zapisi nego dannih v lubom meste i proverka sushestvovania faila
printf(" Spravka o predpriatiah, otsortirovannaia\n");
printf("_____________________________________________________________________\n");
printf("|N | NPR | TP | SOPF | chR | PR | FO |\n");
printf("_____________________________________________________________________\n");
for(i=1; i<=N; i++)
{ if ((x.TP>z1)&&(x.TP<z2))
{
printf ("|%d %s %f %f %d %f %f |\n",x.TN,x.NPR,x.TP,x.SOPF,x.chR,x.PR,x.FO);
fread(&x,sizeof(x),1,fz);
}
if (maxTP<x.TP)
maxTP=x.TP;
if (minTP>x.TP)
minTP=x.TP;
if (minFO>x.FO)
{
minFO=x.FO;
na[80]=*x.NPR ;
}
Sch+=x.chR;
SPR+=x.PR;
SFO+=x.FO;
S1+=x.PR;
j+=1;
S2=S1/j;
if (x.PR>S2) k+=1;
}
printf("_____________________________________________________________________\n");
printf ("Itogo: summarabotnikov: %d\n",Sch);
printf ("summa proizvoditelnosti: %f\n", SPR);
printf ("summa fondootdachi: %f\n",SFO);
printf ("maximal'naia tovarnaia produkcia: %f\n",maxTP);
printf ("minimal'naia tovarnaia produkcia: %f\n",minTP);
printf ("minimal'naia fondootdacha: %f\n",minFO);
printf ("kolichestvo Predpriatii u kotorih PR > srednego: %d\n",k);
getch();
fclose (fz);
menu();
} |
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