Обновить README.md

README.md

@@ -1,2 +1,86 @@
 # Spring-Boo-BackEnd
+#define _CRT_SECURE_NO_WARNINGS
+#include <stdio.h>
+#include <iostream>
+#include <cstring>
+#include <string.h>
+#include <windows.h>
+int strlen(char s[]) {
+	char* p = s;
+	while (*p++);
+	return p - s - 1;
+	
+}
+int strcpy(char s[]) {
+	char* p = s;
+	while (*p++);
+	return p - s - 1;
+}
+int strcat(char s[]) {
+	char* p = s;
+	while (*p++);
+	return p - s - 1;
+}
+int strcmp(char s[], char d[]) {
+	/*char* p = s;
+	while (*p++);
+	return p - s - 1;*/
+	return 0;
+}
+int strspn(char s[], char d[], char f[]) {
+	return 0;
+}
+int main() {
+	SetConsoleCP(1251);
+	SetConsoleOutputCP(1251);
+	//1:
+	/*char s[10] = "HI";
+	printf("len = %d\n", strlen(s));
+	s[2] = ' '; s[3] = '\0';
+	printf("len = %d\n", strlen(s));
+	s[3] = 'w'; s[4] = 'o'; s[5] = 'r'; s[6] = 'l'; s[7] = 'd'; s[8] = '\0';
+	printf("len = %d\n", strlen(s));*/
 
+	//2:
+	/*char s[] = "buttom";
+	char dest[] = "no buttom";
+	printf("s = %s, dest = %s\n", s, dest);
+	strcpy(dest, s);
+	printf("s = %s, dest = %s\n", s, dest);*/
+
+	//3:
+	/*char s[100] = "buttom";
+	char d[100] = "!!!!";
+	printf("s = %s, d = %s\n", s, d);
+	strcat(s, d);
+	printf("s = %s, d = %s\n", s, d);
+	strcat(s, "     ");
+	printf("s = %s, d = %s", s, d);*/
+
+	//4:
+	/*int o = 0, i = 0;
+	char s[] = "strcmp";
+	char d[] = "strcat";
+	for (int o = 0; s[o] != '\0' && d[o] != '\0'; o++) {
+		if (s[o] == d[o]) i++;
+	}
+	printf("s = %s, d = %s, f = %s\ni = %d", s, d, i);*/
+
+	//5:
+	char s[] = "strcmp";
+	char d[] = "str0py";
+	char f[] = "t00";
+	int n1 = strspn(s, f);
+	int n2 = strspn(f, d);
+	int n = strspn(s, d);
+	int min = n;
+	min = (min < n1) ? min : n1;
+	min = (min < n2) ? min : n2;
+	printf("n = %d", min);
+
+	
+
+	
+
+	return 0;
+}