/C06036 - Ma trận đối xứng 2

<Problem>

https://code.ptit.edu.vn/student/question/C06036
#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include <math.h>

int main() {

	char s[100001];
	gets(s);

	printf("%d", strlen(s) - 1);

	return 0;
}