99 lines
1.7 KiB
C
99 lines
1.7 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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bool Overlap(int * Ranges[4])
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{
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for (int * x = Ranges[0]; x <= Ranges[1]; x++)
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{
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for (int * y = Ranges[2]; y <= Ranges[3]; y++)
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{
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if (x == y)
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{
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return true;
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}
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}
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}
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return false;
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}
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int main()
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{
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FILE * File;
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File = fopen("input.text", "r");
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char * Line = malloc(256);
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int Total = 0;
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char ** Elves;
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Elves = malloc(2);
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int * ElfRanges[4];
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//exit(1);
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while(fgets(Line, 256, File) != NULL)
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{
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for (int i = 0; i < 4; i++)
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ElfRanges[i] = NULL;
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// Splits the line by the comma in the middle of the line to get each elf's range
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Elves[0] = strtok(Line, ",");
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Elves[1] = strtok(NULL, ",");
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// Loop through both elves
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for (int a = 0; a < 2; a++)
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{
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printf(Elves[a]);
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printf(" ");
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char *Task = strtok(Elves[a], "-");
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while (Task != NULL)
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{
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for (int i = 0; i < 4; i++)
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{
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if (ElfRanges[i] == NULL)
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{
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ElfRanges[i] = (int *) strtol(Task, NULL, 10);
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break;
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}
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}
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Task = strtok(NULL, "-");
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}
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}
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printf("Elf Pair Ranges: ");
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for (int i = 0; i < 4; i++)
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printf("%d ", ElfRanges[i]);
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printf("\n\n");
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if (Overlap(ElfRanges))
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Total++;
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}
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printf("Total Overlaps: %d\n", Total);
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fclose(File);
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} |