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KT1/KT12.c

+#include <stdio.h>
+#include <string.h>
+
+typedef struct
+{
+	char i[2];
+	int number;
+} Kirje;
+
+int fileExist (char *filename); // kontrollib kas fail on olemas
+int howManyLines(char *filename); // loeb ära read failis
+int kirjedSisse (Kirje *nimekiri, char *filename); // loeb andmed sisse
+void sort (Kirje *nimekiri, int counter); // sorteerib andmed
+void valjastus (Kirje *nimekiri, int counter); // väljastab töödeldud andmed
+
+int main ()
+{
+	if (fileExist ("f11.txt") != 0)
+	{
+		printf ("Faili ei asu programmiga samas kaustas");
+		return -1;
+	}
+
+	int T;
+	T = howManyLines ("f11.txt");
+
+	Kirje nimekiri[T];
+
+	int counter;
+	counter = kirjedSisse (nimekiri, "f11.txt");
+
+	sort (nimekiri, counter);
+
+	valjastus (nimekiri, counter);
+
+
+	return 0;
+}
+
+int fileExist (char *filename) // kontrollib kas fail on olemas
+{
+	FILE *fp;
+	fp = fopen (filename, "r");
+
+	if (fp == NULL)
+	{
+		return 1;
+	}
+	else
+	{
+		fclose (fp);
+		return 0;
+	}
+}
+
+int howManyLines(char *filename)
+{
+	FILE *data;
+	data = fopen (filename, "r");
+
+	int c;
+	int read = 0;
+
+	while ((c = fgetc(data)) != EOF)
+	{
+		if (c == '\n')
+		{
+			read++;
+		}
+	}
+	fclose(data);
+
+	if (read == 0)
+	{
+		printf ("Fail %s on tühi", filename);
+		return 1;
+	}
+	else
+	{
+		return read;
+	}
+}
+
+int kirjedSisse (Kirje *nimekiri, char *filename)
+{
+	int i = 0; // loeb ära mitu arvu sisse loetakse
+	int j;
+
+	FILE *fp;
+	fp = fopen (filename, "r");
+
+	while (fscanf (fp, "%s %d", nimekiri[i].i, &nimekiri[i].number) != EOF)
+	{
+		if (nimekiri[i].number == 0)
+			break;
+		i++;
+	}
+	fclose (fp);
+
+	for (j = 0; j < i; j++)
+	{
+		printf ("%s %d\n", nimekiri[j].i, nimekiri[j].number);
+	}
+	printf ("\n");
+
+	return i;
+}
+
+void sort (Kirje *nimekiri, int counter)
+{
+	int i, j;
+	Kirje temp;
+
+	for (i = 0; i < counter; i++)
+	{
+		for (j = 1; j < counter; j++)
+		{
+			if (nimekiri[j-1].number < nimekiri[j].number)
+			{
+				temp = nimekiri[j];
+				nimekiri[j] = nimekiri[j-1];
+				nimekiri[j-1] = temp;
+			}
+		}
+	}
+}
+
+void valjastus (Kirje *nimekiri, int counter)
+{
+	int i;
+
+	for (i = 0; i < counter; i++)
+	{
+		printf ("%s %d\n", nimekiri[i].i, nimekiri[i].number);
+	}
+
+}