// esame 03-03-2014
//file030314.txt
85445.23
244
2	-25792.36
4	-2894.49
6	-19672.86
7	12520.53
9	30428.5
10	1359.15
12	-32579.95
13	2079.01
15	-34461.13
16	-30321.04
17	13074.09
19	30130.55
21	1885.01
22	10774.33
23	14083.34
25	18353.86
26	-31677.48
28	-12023.6
30	17948.73
32	-9426.29
33	33778.52
35	17734.91
37	-29911.99
39	26929.5
40	-4451.2
42	-1558.78
43	-15756.52
44	-23344.5
45	27835.94
47	-30760.5
49	316.6
51	-12667.69
53	-421.63
54	-28648.7
56	-29837.56
58	-8110.05
59	28967.22
61	-2488.79
63	-31494.12
65	18914.32
67	-26224.42
68	13191.87
70	9068.04
72	15778.84
74	27200.05
75	-13557.47
76	929.16
78	24218.71
79	23905.74
80	-5922.38
82	-2245.78
83	-22517.06
84	5015.84
86	-32686.24
88	-106.39
90	17380.49
92	27351.62
94	23942.77
95	-20107.39
97	-25870.09
98	-15778.83
99	-5999.47
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h> //-lm

struct conto{
	double saldoI;
	int totM; // tot movimenti
	int data;
	double movimenti;

};
struct conto *letturaFile(FILE *f,int *n);
void stampaStruttura(struct conto *c,int n);

int main(int argc, char *argv[]){

	int n;
	FILE *f;
	struct conto *conto;

	if(argc!=2){
		printf("parametri errati\n");
		return 1;
	}
	f=fopen(argv[1],"r");
	if(f==NULL){
		printf("file non trovato\n");
		return 1;
	}

	//funzioni lettura e stampa
	conto=letturaFile(f,&n);
	fclose(f);
	stampaStruttura(conto,n);
	return 0;
}

struct conto *letturaFile(FILE*f,int *n){
	int nConv;
	int size=10;
	char buffer[100];
	struct conto *c1,*c2;
	*n=0;

	c2=malloc(size*sizeof(struct conto));

	while(fgets(buffer,sizeof(buffer),f)){

		c1=c2 + *n;
		nConv=sscanf(buffer,"%d\t%lf\t",&c1->data,&c1->movimenti);
		if (nConv==1){

		}
		(*n)++;
		if(*n>=size){
			size=2*size;
			c2=realloc(c2,size*sizeof(struct conto));
		}
	}
	c2=realloc(c2,*n*sizeof(struct conto));
	return c2;
}

void stampaStruttura(struct conto *c,int n){
	int i;
	for(i=0;i<n;i++){
		printf( "%d %lf\n",c[i].data,c[i].movimenti);
	}
}
/*double saldoFinale(struct conto *c,int n){

	int i;
	double count=0;
	for(i=0;i<n;i++){
		count+=c[i].movimenti;
	return count;

	}

}  */