Строки (C)

Строки

• Управление строками (CRT)
• Строковые литералы в C (справка Микрософт)
• Строки (tutorialspoint)

 1 #include <stdio.h>
 2 #include <stdbool.h>
 3 #include <string.h>
 4 
 5 int main() {
 6     char ch = '0';
 7     printf("Char %c has code %d\n", ch, ch);
 8     
 9     int code = 55;
10     printf("Char %c has code %d\n", code, code);
11 
12     char* str = "Hello";
13     printf("String length %s = %d\n", str, strlen(str));
14 
15     bool hasl;
16     if (strchr(str, 'l') != NULL) {
17         hasl = true;
18     } else {
19         hasl = false;
20     }
21     printf("String %s has letter l = %s\n", str, hasl? "true" : "false");
22 
23     bool hasz;
24     if (strchr(str, 'z') != NULL) {
25         hasz = true;
26     } else {
27         hasz = false;
28     }
29     printf("String %s has letter z = %s\n", str, hasz? "true" : "false");
30 }

Задачник

• Строки

24

 1 #include <stdio.h>
 2 #include <string.h>
 3 
 4 int main() {
 5     char* binStr = "101001";
 6     // char binStr[20];
 7     // scanf("%s", &binStr);
 8 
 9     int multiplier = 1;
10     int dec = 0;
11 
12     for (int i = strlen(binStr)-1; i >= 0; i--) {
13         if (binStr[i] == '1') {
14             dec += multiplier;
15         }
16         multiplier *= 2;
17     }
18 
19     printf("%s\n%d", binStr, dec);
20 }