Question

How to compare two strings lexicographically in C

Answer 1

#include <stdio.h>
#include <string.h>
 
// int strcmp (const char* str1, const char* str2);

int main() {
    printf("%d\n", strcmp("aa", "ab"));     // <
    printf("%d\n", strcmp("aa", "ba"));     // <
    printf("%d\n", strcmp("a", "b"));       // <
    printf("%d\n", strcmp("a", "c"));       // <
    printf("%d\n", strcmp("aaab", "aaxy")); // <
 
    printf("%d\n", strcmp("aa", "aa")); // ==
 
    printf("%d\n", strcmp("ba", "aa")); // >
    printf("%d\n", strcmp("ca", "aa")); // >
    printf("%d\n", strcmp("ab", "aa")); // >
    printf("%d\n", strcmp("b", "a"));   // >
    printf("%d\n", strcmp("b", "aac")); // >
    printf("%d\n", strcmp("x", "aac")); // >
}
 
   
   
/*
run:
   
-1
-1
-1
-1
-1
0
1
1
1
1
1
1
   
*/

 

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