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谁能告诉我sort里面的比较函数怎么写么,一直错

Posted by earnAlive at 2014-04-14 21:48:18 on Problem 1007
#include<stdio.h>
#include<string.h>
#include<algorithm>
using namespace std;

bool cmp(char *str1,char *str2)
{
	return strcmp(str1,str2);
}

int main()
{
	int m,n;
	int i;
	scanf("%d%d",&m,&n);
	char str[m][n];
	for(i=0;i<m;i++)
	{
		scanf("%s",str[i]);
	}
	sort(str[0],str[m],cmp);
	for(i=0;i<m;i++)
	printf("%s\n",str[i]);
	return 0;
}

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