#include "stdafx.h"
#include "time.h"

int _tmain(int argc, _TCHAR* argv[])
{
    int x;
    int Dan[100000];
    int i;

    for(i=0;i<100000;i++)               //초기화
        Dan[i]=0;
    Dan[2]=10;                        //처음값 입력..

    for(x=100000;x>1;x--)
    {
        for(i=99999;i>-1;i--){          //100단위로 값을 넘긴다..
            Dan[i]*=(x-1);
            if (Dan[i]>99){
                Dan[i+1]+=(Dan[i]/100);
                Dan[i]%=100;
            }
        }
    }
    for(i=99999;i>-1;i--){              //1000!값 출력..
        if (Dan[i]<10)
            printf("0%d", Dan[i]);
        else
            printf("%d", Dan[i]);
    }

    printf("\\n");
    printf("time late: %d \\n", clock());
    return 0;

}

틀린점 있으면 태클 좀..

제컴은 구하는데 2분 쫌 넘게걸림.. 늅늅