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Day 1/C: Improve, return both results

This commit is contained in:
Mia Herkt 2021-12-15 03:16:25 +01:00
parent e753594336
commit 2d7350d2c1
Signed by: mia
GPG Key ID: 72E154B8622EC191
2 changed files with 19 additions and 11 deletions

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@ -1,19 +1,28 @@
#include <stdio.h>
#include <stdint.h>
#include "input.h"
enum {winsize=3};
int main(void) {
uint16_t answer = 0;
uint32_t prev = 0;
for (uint16_t *p = input+3; p < (&input)[1]; p++) {
uint32_t new = *(p-2) + *(p-1) + *p;
int num[winsize], res[4]={0}, new, i, j;
if (new > prev)
answer++;
for (i=0;scanf("%d",&num[i%winsize])==1;i++) {
if (i) {
if (num[i%winsize] > res[1])
res[0]++;
prev = new;
res[1] = num[i%winsize];
if (i>2) {
for (j=0,new=0;j<winsize;j++)
new += num[j];
if (new > res[3])
res[2]++;
res[3] = new;
}
}
}
printf("Answer: %d\n", answer);
printf("Silver: %d\nGold: %d\n", res[0], res[2]);
}