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多谢数据,终于过了,附位压DPIn Reply To:一开始x,y读入,后来发现题目要求y,x,再发现数据是x,y…… Posted by:gympp at 2011-08-29 19:31:05 #include <stdio.h> #include <string> int m,n,final,mt; int lnk[16],ax[16],ay[16],bx[16],by[16],t[16]; bool f[17][32769]; int main() { scanf("%d",&m); while(m--) { scanf("%d",&n); for (int i=1;i<=n;i++) scanf("%d%d%d%d%d",&ay[i],&ax[i],&by[i],&bx[i],&t[i]); for (int i=1;i<=n;i++) { int st=0; for (int j=1;j<=n;j++) if (t[i]!=t[j]&&by[j]<=ay[i]&&(ax[i]<bx[j]&&bx[j]<=bx[i]||ax[i]<=ax[j]&&ax[j]<bx[i])) st=st|(1<<(j-1)); lnk[i]=st; } memset(f,0,sizeof(f)); f[1][0]=true;final=(1<<n)-1; int ms; for (int i=1;i<=n+1;i++) { if (f[i][final]) { ms=i;break;} for (int j=0;j<final;j++) if (f[i][j]) { for (int k=1;k<=n;k++) { if (~j&(1<<k-1)&&(!lnk[k]||((j&lnk[k])==lnk[k]))) { int ex=0; for (int p=1;p<=n;p++) if (t[k]==t[p]&&(!lnk[p]||((j&lnk[p])==lnk[p]))) ex=ex|(1<<p-1); if (ex) f[i+1][j|ex]=true; } } } } printf("%d\n",ms-1); } return 0; } Followed by: Post your reply here: |
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