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这个题竟然1A:果断发下代码

Posted by morenan at 2011-06-27 13:14:26 on Problem 1512 and last updated at 2011-06-27 13:14:47
#include<iostream>
#include<stdio.h>

#define FOR(i,l,r) for (i=l;i<=r;i++)
#define MAXN 28
#define MAXG 35

using namespace std;
int n,m;
int ki[MAXN],p[MAXN][2],a[MAXN][110],nex[MAXN];
int tim[MAXG],ans[MAXG][260],q[MAXG][MAXN];

void jump(int num) {
	while (num--) getchar();
}

void solve(int top,int now,int l,int r,int bot) {
	int i,j,k;
	if (l>r) return ;
	if (q[top][now]==tim[top]) {
		for (j=0,i=now;;) {
			j+=a[i][0];if ((i=nex[i])==now) break ;
		}
		if (l!=0) {
			r-=((l-1)/j)*j;l-=((l-1)/j)*j;
		}
	}
	if (ki[now]) {
		if (p[now][0]==now && l==1) {
			solve(top+1,p[now][1],1,1,0);
			ans[top][1]=ans[top+1][1];
			solve(top,now,3,r+1,1);
			return ;
		}
		tim[top+1]++;solve(top+1,p[now][0],(l+2)>>1,(r+1)>>1,0);
		j=((r+1)>>1)-((l+2)>>1)+1;
		FOR(i,1,j) ans[top][bot+i+i-( (l&1))]=ans[top+1][i];
		tim[top+1]++;solve(top+1,p[now][1],(l+1)>>1,(r+0)>>1,0);
		j=((r+0)>>1)-((l+1)>>1)+1;
		FOR(i,1,j) ans[top][bot+i+i-(!(l&1))]=ans[top+1][i];
	} else {
		q[top][now]=tim[top];
		if (l>a[now][0]) {
			solve(top,nex[now],l-a[now][0],r-a[now][0],bot);return ;
		}
		if (r<=a[now][0]) {
			FOR(i,l,r) ans[top][bot+(i-l+1)]=a[now][i];return ;
		}
		FOR(i,l,a[now][0]) ans[top][bot+(i-l+1)]=a[now][i];
		solve(top,nex[now],1,r-a[now][0],bot+(a[now][0]-l+1));
	}
}

int main() {
	int i,j,k; char na,chi,chj;
	scanf("%d%d",&n,&m);
	for (;n;n--) {
		scanf("\n%c",&na);na-='A';
		if (jump(3),cin.peek()=='z') {
			scanf("zip %c %c",&chi,&chj);
			ki[na]=1;p[na][0]=int(chi-'A');p[na][1]=int(chj-'A');
		} else {
			for (;;) {
				if (isdigit(cin.peek())) {
					scanf("%d",&a[na][++a[na][0]]);
					getchar();
				} else if (isupper(cin.peek())) {
					scanf("%c",&chi);
					nex[na]=int(chi-'A');
					break ;
				}
			}
		}
	}
	for (;m;m--) {
		scanf("\n%c%d%d",&na,&i,&j);
		i++;j++;tim[0]++;
		solve(0,int(na-'A'),i,j,0);
		printf("%d",ans[0][1]);
		FOR(k,2,j-i+1) printf(" %d",ans[0][k]);
		printf("\n");
	}
	return 0;
}
	

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