65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define LINE_MAX 64
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#define LIST_MAX 1024
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#define abs(a) (a) < 0 ? -(a) : (a);
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int cmp(const void*, const void*);
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int main() {
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char *p, *buf, c;
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int left, right, *left_list, *right_list, i = 0;
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buf = calloc(LINE_MAX, sizeof(char));
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p = buf;
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left_list = calloc(LIST_MAX, sizeof(*left_list));
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right_list = calloc(LIST_MAX, sizeof(*right_list));
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while ((c = getchar()) != EOF) {
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*p++ = c;
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if (c == '\n') {
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*p = '\0';
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sscanf(buf, "%i %i", &left, &right);
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left_list[i] = left;
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right_list[i] = right;
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i++;
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memset(buf, 0, LINE_MAX);
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p = buf;
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}
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}
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free(buf);
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qsort(left_list, i, sizeof(*left_list), cmp);
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qsort(right_list, i, sizeof(*right_list), cmp);
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int sum = 0;
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for (int j = 0; j < i; j++) {
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sum += abs(left_list[j] - right_list[j]);
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}
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int similarity = 0;
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for (int j = 0; j < i; j++) {
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int count = 0;
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for (int k = 0; k < i; k++) {
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if (left_list[j] == right_list[k]) {
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count++;
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}
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}
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similarity += left_list[j] * count;
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}
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free(left_list);
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free(right_list);
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printf("%i\n", sum);
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printf("%i\n", similarity);
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}
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int cmp(const void* a, const void* b) {
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return *(int*)a - *(int*)b;
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}
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