steph/adventofcode
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

✨ Two new stars! Written in C!

Browse Source
This commit is contained in:
Steph 2022-12-01 21:01:59 +01:00
parent b1b12399fc
commit 1d4ec295f7
5 changed files with 1059 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1000
2020/2/input Normal file
View File

File diff suppressed because it is too large Load Diff

BIN
2020/2/parse Executable file
View File

Binary file not shown.

32
2020/2/parse.c Normal file
View File

@ -0,0 +1,32 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(void) {
FILE *fp;
char* line = NULL;
size_t len = 0;
int valid = 0;
fp = fopen("input", "r");
while(getline(&line, &len, fp) != -1) {
int start, end;
char subject;
char* password;
sscanf(line, "%d-%d %c: %s\n", &start, &end, &subject, password);
int occ = 0;
for(int i=0; password[i] != 0; i++) {
if(password[i] == subject) occ++;
}
if(occ <= end && occ >= start) valid++;
}
fclose(fp);
printf("There are %d valid passwords\n", valid);
}

BIN
2020/2/parse_idk_two Executable file
View File

Binary file not shown.

27
2020/2/parse_idk_two.c Normal file
View File

@ -0,0 +1,27 @@
#include <stdio.h>
#include <stdlib.h>
int main(void) {
FILE *fp;
char* line = NULL;
size_t len = 0;
int valid = 0;
fp = fopen("input", "r");
while(getline(&line, &len, fp) != -1) {
int start, end;
char subject;
char* password;
sscanf(line, "%d-%d %c: %s\n", &start, &end, &subject, password);
if(password[start - 1] == subject && password[end - 1] != subject ||
password[end - 1] == subject && password[start - 1] != subject)
valid++;
}
fclose(fp);
printf("There are %d valid passwords\n", valid);
}