THMMY.gr

#include <stdio.h>
#include <stdlib.h>
void main()
{
   int i,j,n,**spiti ,*aisth;

   printf("Dwse ton arithmo twn spitiwn: ");
   scanf("%d",&n);

   aisth=(int *)malloc(n*sizeof(int));
   printf("Arithmos aisthitirwn:\n");

   for (i=0;i<n;i++){
       printf("%dou spitiou=",i+1);
       scanf("%d",&aisth[i]);
   }

   spiti=(int**)malloc(n*sizeof(int *));

   for (i=0;i<n;i++)
       spiti[i]=(int *)malloc((aisth[i])*sizeof(int));

   

   printf("Pinakas:\n");

   for (i=0;i<n;i++){
        printf("\n Spiti %d:	",i+1);
        for (j=0;j<aisth[i];j++){
           spiti[i][j]=rand();
	   printf("%-6d ",spiti[i][j]);
        }
  } 
      

   }

OOOOO
OO
OOOOOOOO

Station=(int **)malloc(N*sizeof(int *) );

for (i=0; i<N; i++)
{
   fflush(stdin);
   do
   {
      printf("Dose ton arithmo ton aisthitiron tou %dou stathmou: ", i+1);
      scanf("%d", &K);
   } while(K<0 || K>N);

   Station[i]=(int *)malloc(K*sizeof(int));

   if (Station[i]==NULL)
   {
	printf("Den yparxei arketi mnimi");
	exit(1);
   }

   for(j=0; j<K; j++)
   {
      Station[i][j]=cnt;
      cnt++;
   }
}

for (t=0;t<m;t++) {
printf("Eiserxomeno sima");
scanf("%f",&sima);

   for (i=0;i<n;i++){
for (j=0;j<aisth[i];j++){

anazitisi

}}}

printf("To sima einai sto stathmo ... sti thesi mpla mpla mpla..");

#include <stdio.h>
#include <stdlib.h>
void main()
{
   int i,j,n,*aisth;
   float **spiti;

   printf("Dwse ton arithmo twn spitiwn: ");
   scanf("%d",&n);

   aisth=(int *)malloc(n*sizeof(int));
   printf("Arithmos aisthitirwn:\n");

   for (i=0;i<n;i++){
       printf("%dou spitiou=",i+1);
       scanf("%d",&aisth[i]);
   }

   spiti=(float**)malloc(n*sizeof(float *));

   for (i=0;i<n;i++)
       spiti[i]=(float *)malloc((aisth[i])*sizeof(float));

   for (i=0;i<n;i++)
       for (j=0;j<aisth[i];j++){
	   printf("Dwse tin timi tou aisthitira %d %d : " ,i+1,j+1);
	   scanf("%f",&spiti[i][j]);
       }
   

   printf("Pinakas:\n");

   for (i=0;i<n;i++){
        printf("\n Spiti %d:	",i+1);
        for (j=0;j<aisth[i];j++)
	   printf("%-6f ",spiti[i][j]);
        }
   
      

   }

	if((b[i]=(float *)realloc(float **p,1*sizeof(float )))==NULL)
		{
			printf("Den yparxei epipleon mnimi gia epektasi");
			exit(0);
		}

//freeing up memory allocated to second level pointers

     for(i = 0; i < 4; i++)  
           free(float_values[i]);
//freeing up memory allocated to first level pointers
           free(float_values);

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

	int *newarray = (int *)realloc((void *)dynarray, 20 * sizeof(int));
	if(newarray != NULL)
		dynarray = newarray;
	else {
		fprintf(stderr, "Can't reallocate memory\n");
		/* dynarray remains allocated */
	}

printf("Den anagnwristhke to shma\n\n");

		if (q==0){
			WRONG = (float *) malloc(1*sizeof(float));
			WRONG[0] = input;
			q = 1;
		}

		else {
			WRONG = realloc(WRONG,q+1);
			WRONG[q] = input;
			q++;
		}

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define e 0.1

int check (float shmapoumpainei, int posaspitia, int *ka8egrammh, float **full, int *ais8hthraspoubre8hke, int *spitipoubre8hke);

int main (void) {

int i, j, k, q=0, n, m, temp1, temp2, temp3, result, id_aist, id_spiti;
float input;
float **SPITIA;
int *AISTH;
float *WRONG;

printf("\nPosa spitia eksyphretountai? ");
scanf("%d",&n);

printf("\n");

/* O MONODIASTATOS PINAKAS "AISTH" PERIEXEI TON ARI8MO TWN AIS8HTHRWN
GIA KA8E SPITI KSEXWRISTA */

AISTH = (int *) malloc(n*sizeof(int));

SPITIA = (float **) malloc(n*sizeof(float *));
for (i=0;i<n;i++) {
	printf("Posous ais8hthres exei to %do spiti? ",i+1);
	scanf("%d",&temp1);
	SPITIA[i] = (float *) malloc(temp1*sizeof(float));
	AISTH[i] = temp1;
}

for (i=0;i<n;i++) {
	printf("\n");
	temp2 = AISTH[i];
	for (j=0;j<temp2;j++) {
		printf("Kwdikos %dou ais8hthra %dou spitiou: ",j+1,i+1);
		scanf("%f",&SPITIA[i][j]);
	}
}

printf("\nEisagete ton ari8mo twn shmatwn pou 8a elegx8oun sthn epomenh periodo: ");
scanf("%d",&m);


printf("\nENARKSH DIADIKASIAS ELEGXOU SHMATWN.\n8a elegx8oun %d shmata.\n\n",m);

for (k=0;k<m;k++) {
	printf("Eisagete to %do eiserxomeno shma: ",k+1);
	scanf("%f",&input);

/* KLHSH THS CHECK */


	result = check(input, n, AISTH, SPITIA, &id_aist, &id_spiti);

	if (result!=-1) {
		printf("Anagnwristhke shma apo to spiti %d kai ton ais8hthra %d!\n\n", id_spiti+1, id_aist+1);
	}
	else {
		printf("To shma %4.2f den anagnwristhke. q=%d\n\n",input,q+1);

		if (q==0){
			WRONG = (float *) malloc(1*sizeof(float));
			WRONG[0] = input;
			q = 1;
		}

		else {
			WRONG = realloc(WRONG,q+1);
			WRONG[q] = input;
			q++;
		}

	}
}


printf("\nParelhf8hsan ta parakatw lan8asmena shmata:\n");
for (i=0;i<q;i++) {
	printf("%4.2f - ",WRONG[i]);
}

printf("\n\n");

free(SPITIA);
free(AISTH);
free(WRONG);
SPITIA=NULL;
AISTH=NULL;
WRONG=NULL;

return 0;
}

int check (float shmapoumpainei, int posaspitia, int *ka8egrammh, float **full, int *ais8hthraspoubre8hke, int *spitipoubre8hke) {

	int i1, i2, tosoiyparxoun, dokimastiko=0;
	float trexonshma, apolythtimh;

	for (i1=0; i1<posaspitia; i1++) {
		tosoiyparxoun = ka8egrammh[i1];

		for (i2=0; i2<tosoiyparxoun; i2++) {
			trexonshma = full[i1][i2];
			apolythtimh = fabs(trexonshma - shmapoumpainei);

			if (apolythtimh < e) {
				*spitipoubre8hke = i1;
				*ais8hthraspoubre8hke = i2;
				dokimastiko = 1;
				return 0;
			}
		}
	}

	if (dokimastiko != 1) {
		return -1;
	}
}

Station=NULL; 
for (i=0; i<N; i++)
  Station[i]=NULL;

free(station);
station=NULL;

fabs(a-b)

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define e 0.1

int check (float shmapoumpainei, int posaspitia, int *ka8egrammh, float **full, int *ais8hthraspoubre8hke, int *spitipoubre8hke);

int main (void) {

int i, j, k, q=0, n, m, temp1, temp2, temp3, result, id_aist, id_spiti;
float input;
float **SPITIA;
int *AISTH;
float *WRONG;

printf("\nPosa spitia eksyphretountai? ");
scanf("%d",&n);

printf("\n");

/* O MONODIASTATOS PINAKAS "AISTH" PERIEXEI TON ARI8MO TWN AIS8HTHRWN
GIA KA8E SPITI KSEXWRISTA */

AISTH = (int *) malloc(n*sizeof(int));

SPITIA = (float **) malloc(n*sizeof(float *));
for (i=0;i<n;i++) {
	printf("Posous ais8hthres exei to %do spiti? ",i+1);
	scanf("%d",&temp1);
	SPITIA[i] = (float *) malloc(temp1*sizeof(float));
	AISTH[i] = temp1;
}

for (i=0;i<n;i++) {
	printf("\n");
	temp2 = AISTH[i];
	for (j=0;j<temp2;j++) {
		printf("Kwdikos %dou ais8hthra %dou spitiou: ",j+1,i+1);
		scanf("%f",&SPITIA[i][j]);
	}
}

printf("\nEisagete ton ari8mo twn shmatwn pou 8a elegx8oun sthn epomenh periodo: ");
scanf("%d",&m);


printf("\nENARKSH DIADIKASIAS ELEGXOU SHMATWN.\n8a elegx8oun %d shmata.\n\n",m);

for (k=0;k<m;k++) {
	printf("Eisagete to %do eiserxomeno shma: ",k+1);
	scanf("%f",&input);

/* KLHSH THS CHECK */


	result = check(input, n, AISTH, SPITIA, &id_aist, &id_spiti);

	if (result!=-1) {
		printf("Anagnwristhke shma apo to spiti %d kai ton ais8hthra %d!\n\n", id_spiti+1, id_aist+1);
	}
	else {
		printf("To shma %4.2f den anagnwristhke. q=%d\n\n",input,q+1);

		if (q==0){
			WRONG = (float *) malloc(1*sizeof(float));
			WRONG[0] = input;
			q = 1;
		}

		else {
			WRONG = realloc(WRONG,(q+1)*sizeof(float));
			WRONG[q] = input;
			q++;
		}

	}
}


printf("\nParelhf8hsan ta parakatw lan8asmena shmata:\n");
for (i=0;i<q;i++) {
	printf("%4.2f - ",WRONG[i]);
}

printf("\n\n");

free(SPITIA);
free(AISTH);
free(WRONG);
SPITIA=NULL;
AISTH=NULL;
WRONG=NULL;

return 0;
}

int check (float shmapoumpainei, int posaspitia, int *ka8egrammh, float **full, int *ais8hthraspoubre8hke, int *spitipoubre8hke) {

	int i1, i2, tosoiyparxoun, dokimastiko=0;
	float trexonshma, apolythtimh;

	for (i1=0; i1<posaspitia; i1++) {
		tosoiyparxoun = ka8egrammh[i1];

		for (i2=0; i2<tosoiyparxoun; i2++) {
			trexonshma = full[i1][i2];
			apolythtimh = fabs(trexonshma - shmapoumpainei);

			if (apolythtimh < e) {
				*spitipoubre8hke = i1;
				*ais8hthraspoubre8hke = i2;
				dokimastiko = 1;
				return 0;
			}
		}
	}

	if (dokimastiko != 1) {
		return -1;
	}
}