Super MarioTime
limit:2000/1000 MS (java/others) Memory limit:32768/32768 K (java/others)
Total submission (s): 3313 Accepted Submission (s): 1548
Problem Descriptionmario is world-famous plumber. He "burly" figure and amazing jumping ability reminded in our memory. Now the poor princess are in trouble again and Mario needs to save his lover. We regard the road to the boss's Castle as a line (the length are N), on every integer point I there are a brick on height h I. Now the question is what many bricks in [L, R] Mario can hits if the maximal height he can jump is H.
Inputthe first line follows an integer T, the number of test data.
For each test data:
The first line contains-integers n, m (1 <= n <=10^5, 1 <= m <= 10^5), n is the length of the road, M-T He number of queries.
Next line contains n integers, the height of each brick, and the range is [0, 1000000000].
Next m lines, each line contains three integers L, r,h. (0 <= L <= R < n 0 <= H <= 1000000000.)
Outputfor each case, output ' Case x: ' (x is the case number starting from 1) followed by M lines, each line contains an I Nteger. The ith integer is the number of bricks Mario can hits for the ith query.
Sample Input
110 100 5 2 7 5 4 3 8 7 7 2 8 63 5 01 3 11 9 40 1 03 5 55 5 14 6 31 5 75 7 3
Sample Output
Case 1:4,003,120,151
Source2012 ACM/ICPC Asia Regional Hangzhou Online
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#include <stdio.h> #include <string.h> #include <stdlib.h> int tree[30][100100],toleft[30][100100]; int sorted[100100]; int cmp (const void *a,const void *b) {return * (int *) a-* (int *) b; } void Build (int l,int r,int dep) {if (l==r) return; int mid= (L+R) >>1; int same=mid-l+1; int i; int lpos=l; int rpos=mid+1; for (i=l;i<=r;i++) {if (Tree[dep][i]<sorted[mid]) same--; } for (i=l;i<=r;i++) {if (Tree[dep][i]<sorted[mid]) {TREE[DEP+1][LPOS++]=TR Ee[dep][i]; } else if (tree[dep][i]==sorted[mid]&&same>0) {tree[dep+1][ Lpos++]=tree[dep][i]; same--; } else tree[dep+1][rpos++]=tree[dep][i]; Toleft[dep][i]=toleft[dep][l-1]+lpos-l; } build (L,mid,dep+1); Build (mid+1,r,dep+1); } int Query (int l,int r,int l,int r,int dep,int k) {if (l==r) {return tree[dep][l]; } int mid= (L+R) >>1; int CNT=TOLEFT[DEP][R]-TOLEFT[DEP][L-1]; if (cnt>=k) {int NEWL=L+TOLEFT[DEP][L-1]-TOLEFT[DEP][L-1]; int newr=newl+cnt-1; return query (L,MID,NEWL,NEWR,DEP+1,K); } else {int newr=r+toleft[dep][r]-toleft[dep][r]; int newl=newr-(R-L-CNT); return query (MID+1,R,NEWL,NEWR,DEP+1,K-CNT); }}int Main () {int t,c=0;scanf ("%d", &t), while (t--) {int n,m;while (scanf ("%d%d", &n,&m)!=eof) {int i;for (i=1 ; i<=n;i++) {scanf ("%d", &tree[0][i]); sorted[i]=tree[0][i];} Qsort (Sorted+1,n,sizeof (sorted[1]), CMP), build (1,n,0);p rintf ("Case%d:\n", ++c), while (m--) {int a,b,h;scanf ("%d%d%d ", &a,&b,&h); A++;b++;int l=1,r= (b-a) +1;int ans=0;while (l<=r) {int mid= (l+r) >>1;int temp=query (1 , n,a,b,0,mid); if (temp<=h) {ans=mid;l=mid+1;} Elser=mid-1;} printf ("%d\n", ans);}}}
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Hdoj topic 4417 Super Mario (dividing tree to find interval ratio k small number + two points)