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Re:哪位大哥帮忙看看我的程序为什么会超时啊,help!!

Posted by project at 2004-11-09 21:41:07 on Problem 2015
In Reply To:哪位大哥帮忙看看我的程序为什么会超时啊,help!! Posted by:project at 2004-11-09 21:02:38
定义那里len应为lens,哪位大哥帮帮忙!


> 时间复杂度只有O(lenC×lenS)没什么可能超啊,请指教!thx!
> 
> #include<stdio.h>
> #include<string.h>
> #include<math.h>
> int main()
> {
> 	int x,i,j,n,d,lens,loop,k,m1,lenc,f1,f;char s[40],p[40],m[70],c[70];
> 	while(scanf("%d",&x)!=EOF){
> 		if(!x) break;
> 		memset(s,'\0',40);
> 		memset(p,'\0',40);
> 		memset(m,'\0',70);
> 		memset(c,'\0',70);
> 		scanf("%s%s%s",s,p,c);
> 		lenc=strlen(c);
> 		d=((int)(sqrt(lenc*lenc*lenc)+x))%lenc;
> 		lens=strlen(s);
> 		for(i=0;i<lens;i++)
> 			if(c[d]==s[i]) {n=i;break;}
> 		m[d]=p[n];
> 		loop=0;
> 		for(i=d;;i--){
> 			loop++;f=0;f1=0;
> 			for(j=0;j<lens;j++){
> 				if(!f&&s[j]==m[(i+5*lenc)%lenc]){n=j;f=1;}
> 				if(!f1&&s[j]==c[((i-1+5*lenc))%lenc]){m1=j;f1=1;}
> 				if(f&&f1) break;
> 			}
> 			k=m1^n;
> 			m[((i-1)+5*lenc)%lenc]=p[k];
> 			if(loop+1==lenc) break;
> 		}
> 		printf("%s\n",m);
> 	}
> 	return 0;
> }

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