47 lines
1.0 KiB
C
47 lines
1.0 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <sys/stat.h>
|
|
|
|
int isSameLetter(char a, char b) {
|
|
char diff = (a > b) ? a - b : b - a;
|
|
return diff == 32;
|
|
}
|
|
|
|
int processArray(char* input, int length) {
|
|
int outputLength = 0;
|
|
for (int i=0; i<length; i++) {
|
|
if (isSameLetter(input[i], input[i+1]) == 1) {
|
|
i++;
|
|
} else {
|
|
input[outputLength] = input[i];
|
|
outputLength++;
|
|
}
|
|
}
|
|
return outputLength;
|
|
}
|
|
|
|
int main() {
|
|
struct stat stbuffer;
|
|
FILE *inputFile = fopen("input", "r");
|
|
fstat(fileno(inputFile), &stbuffer);
|
|
int inSize = stbuffer.st_size + 1;
|
|
//inSize = 20;
|
|
//fseek(inputFile, 10020, 0);
|
|
char *input = malloc(inSize);
|
|
fgets(input, inSize, inputFile);
|
|
|
|
int lastLength = inSize;
|
|
|
|
int outLength = inSize;
|
|
do {
|
|
lastLength = outLength;
|
|
outLength = processArray(input, lastLength);
|
|
} while (lastLength != outLength);
|
|
|
|
printf("%d\n", outLength - 1);
|
|
|
|
fclose(inputFile);
|
|
free(input);
|
|
return 0;
|
|
}
|