C언어 array_count_values()

1 개요[ | ]

C언어 array_count_values()

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

typedef struct {
	char* word;
	int count;
} uniq;
uniq uniqs[1000000];

int main() {
	char *words[] = {"1", "hello", "1", "world", "hello"};
	int words_count = 5;
	int uniqs_count = 0;
	
	for( int i=0; i<words_count; i++ ) {
		char* word = words[i];
		int pos;
		for( pos=0; pos<uniqs_count; pos++ ) {
			if( !strcmp( word, uniqs[pos].word ) ) break;
		}
		
		// Found - increase count
		if( pos < uniqs_count ) {
		    uniqs[pos].count++;
		    continue;
		}
		
		// Not Found - register a new word
	    uniqs[uniqs_count].word = malloc(sizeof(strlen(word)));
		strcpy( uniqs[uniqs_count].word, word );
		uniqs[uniqs_count].count = 1;
		uniqs_count++;
	}
	
	for( int i=0; i<uniqs_count; i++ ) {
		printf( "'%s': %d\n", uniqs[i].word, uniqs[i].count );
	}
}

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