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memset应该很猛的呀，1000*1000的char数组memset1000次才不到1s

Posted by fanhqme at 2009-02-13 12:25:54 on Problem 1175
In Reply To:WA N次 TLE N 次 终于AC了~~~ Posted by:Scor at 2008-02-20 01:29:03 
#include <cstdio>
#include <string.h>
#include <ctime>
using namespace std;
char dp[1000][1000];
int main()
{
    for (int i=0;i<1000;i++)memset(dp,0,sizeof(dp));
    printf("%d\n",clock());
    getchar();
    return 0;
}
输出
625
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