Cod sursa(job #1344784)

Utilizator razvan3895Razvan-Mihai Chitu razvan3895 Data 16 februarie 2015 23:06:55
Problema Convertor Scor 100
Compilator c Status done
Runda rosedu_cdl_2015 Marime 1.95 kb
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#define TTL	1000000	//Total
#define HLF	TTL/2	//Half

int blk_read(char*, FILE*);

int main() {
	FILE *f = fopen("convertor.in", "r"), *g = fopen("convertor.out", "w");
	char *line1, *c, a[100], b[100], *p;
	int i, ok = 0, nr = 0, k, test = 0;
	line1 = calloc(TTL, 1);
	memset(a, 0, 100);
	memset(b, 0, 100);
	while(fread(line1 + HLF, 1, HLF, f)) {
		c = strchr(line1 + HLF, ':');
		while(c) {
			for(i = 0; c[i] != '"'; i--);
			p = c + i - 1;
			for(i = 0; p[i] != '"'; i--);
			p = p + i + 1;
			if(!nr) {
				strncpy(a, p, -i);
				nr ++;
				fprintf(g, "%s,", a);
			}
			else {
				strncpy(b, p, -i);
				if(strcmp(a, b) == 0) {
					ok = -1;
					break;
				}
				nr ++;
				fprintf(g, "%s,", b);
				memset(b, 0, 100);
			}
			c = strchr(c + 1, ':');			
		}
		memcpy(line1, line1 + HLF, HLF);
		memset(line1 + HLF, 0, HLF);
		if(ok == -1)
			break;
	}
	fprintf(g, "\n");
	fseek(f, 0, 0);
	k = 0;
	ok = fread(line1, 1, TTL, f);
	while(ok || test) {
		c = strchr(line1, ':');
		while(c && c < line1 + HLF) {
			for(c = c + 1; *c < 33; c++) {
				if(c - line1 >= TTL) {
					ok = blk_read(line1, f);
					c = line1 + HLF - 1;
				}
			}
			if(*c == '"') {
				c ++;
				while(*c != '"') {
					fprintf(g, "%c", *c);				
					c ++;
					if(c - line1 >= TTL) {
						ok = blk_read(line1, f);
						c = line1 + HLF;
					}
				}
			}	
			else
				while(strchr("0123456789-", *c)) {
					fprintf(g, "%c", *c);				
					c ++;
					if(c - line1 >= TTL) {
						ok = blk_read(line1, f);
						c = line1 + HLF;
					}
				}
			k++;
			fprintf(g, ",");
			if(k == nr) {
				k = 0;
				fprintf(g, "\n");
			}
			c = strchr(c, ':');
		}
		ok = blk_read(line1, f);
		if(test)
			break;
		if(!ok) {
			test = 1;
			memcpy(line1 + HLF, line1, HLF);
		}
	}	
	free(line1);
	fclose(f);
	fclose(g);				
	return 0;
}

int blk_read(char *line, FILE *f) {
	memcpy(line, line + HLF, HLF);
	memset(line + HLF, 0, HLF);
	return fread(line + HLF, 1, HLF, f);
}