Submission #1585575

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Source Code Expand

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

int main()
{
	int n, i, j;
	char **p;

	scanf("%d", &n);

	p = (char **)calloc(n, sizeof(char *));

	for(i = 0; i < n; i++)
	{
		char temp[51];
		int j = 0;

		scanf("%s", temp);

		p[i] = (char *)malloc(strlen(temp) + 1);

		while(temp[j])
			p[i][j] = temp[j++];

		p[i][j] = '\0';
	}

	for(i = 0; i < n - 1; i++)
		for(j = n - 1; j > i; j--)
			if(strcmp(p[j - 1], p[j]) > 0)
			{
				char *t = p[j - 1];
				p[j - 1] = p[j];
				p[j] = t;
			}

	printf("%s%s\n", p[0], p[1]);

	for(i = 0; i < n; i++)
		free(p[i]);

	free(p);

	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:10:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ^
./Main.c:19:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s", temp);
   ^

Judge Result