Submission #2099564


Source Code Expand

#include <bits/stdc++.h>

const int max_N = 5e5 + 21;

#define ls(x) ((x)<<1)
#define rs(x) (ls(x)|1)
#define mid ((l+r)>>1)
#define lch ls(x),l,mid
#define rch rs(x),mid+1,r

int n,K,p[max_N],q[max_N],seg[max_N<<2],pos[max_N],ans[max_N];

bool vis[max_N];

std::priority_queue<int>pq;

inline void update(int x){
	seg[x]=std::max(seg[ls(x)],seg[rs(x)]);
}

void build(int x,int l,int r){
	if(l==r){seg[x]=p[l],pos[l]=x; return;}
	build(lch),build(rch),update(x);
}

void modify(int x,int v){
	x=pos[x],seg[x]=v;
	for(x>>=1;x;x>>=1)update(x);
}

int ql,qr,qa;

void query(int x,int l,int r){
	if(ql<=l&&r<=qr){qa=std::max(qa,seg[x]); return;}
	if(ql<=mid)query(lch); if(qr>mid)query(rch);
}

void check(int id){
	if(id<0||id>(n-1)/K)return;
	ql=id*K+1,qr=ql+K-1,qa=0,query(1,1,n);
	if(!qa||vis[qa])return;
	int tmp=qa;
	ql=q[qa]-K+1,qr=q[qa]+K-1,qa=0,query(1,1,n);
	if(tmp!=qa)return;
	vis[qa]=1,pq.push(q[qa]);
}

int main(){
	scanf("%d%d",&n,&K);
	for(int i=1;i<=n;++i){
		scanf("%d",p+i);
		q[p[i]]=i;
	}
	build(1,1,n);
	for(int i=0;i<=(n-1)/K;++i)check(i);
	for(int i=n;i;--i){
		int x=pq.top();
		pq.pop(),ans[x]=i,modify(x,0);
		int id=(x-1)/K;
		check(id-1),check(id),check(id+1);
	}
	for(int i=1;i<=n;++i)
		printf("%d\n",ans[i]);
	return 0;
}

Submission Info

Submission Time
Task F - Wide Swap
User ShinriiTin
Language C++14 (GCC 5.4.1)
Score 2000
Code Size 1315 Byte
Status AC
Exec Time 573 ms
Memory 21744 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:49:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&K);
                     ^
./Main.cpp:51:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",p+i);
                  ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 2000 / 2000
Status
AC × 3
AC × 94
Set Name Test Cases
Sample sample-01.txt, sample-02.txt, sample-03.txt
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, 032.txt, 033.txt, 034.txt, 035.txt, 036.txt, 037.txt, 038.txt, 039.txt, 040.txt, 041.txt, 042.txt, 043.txt, 044.txt, 045.txt, 046.txt, 047.txt, 048.txt, 049.txt, 050.txt, 051.txt, 052.txt, 053.txt, 054.txt, 055.txt, 056.txt, 057.txt, 058.txt, 059.txt, 060.txt, 061.txt, 062.txt, 063.txt, 064.txt, 065.txt, 066.txt, 067.txt, 068.txt, 069.txt, 070.txt, 071.txt, 072.txt, 073.txt, 074.txt, 075.txt, 076.txt, 077.txt, 078.txt, 079.txt, 080.txt, 081.txt, 082.txt, 083.txt, 084.txt, 085.txt, 086.txt, 087.txt, 088.txt, 089.txt, 090.txt, sample-01.txt, sample-02.txt, sample-03.txt
Case Name Status Exec Time Memory
000.txt AC 3 ms 8448 KB
001.txt AC 3 ms 8448 KB
002.txt AC 3 ms 8448 KB
003.txt AC 3 ms 8448 KB
004.txt AC 3 ms 8448 KB
005.txt AC 3 ms 8448 KB
006.txt AC 3 ms 8448 KB
007.txt AC 3 ms 8448 KB
008.txt AC 3 ms 8448 KB
009.txt AC 4 ms 8448 KB
010.txt AC 4 ms 8448 KB
011.txt AC 4 ms 8448 KB
012.txt AC 4 ms 8448 KB
013.txt AC 4 ms 8448 KB
014.txt AC 4 ms 8448 KB
015.txt AC 4 ms 8448 KB
016.txt AC 4 ms 8448 KB
017.txt AC 4 ms 8448 KB
018.txt AC 4 ms 8448 KB
019.txt AC 4 ms 8448 KB
020.txt AC 3 ms 8448 KB
021.txt AC 3 ms 8448 KB
022.txt AC 4 ms 8448 KB
023.txt AC 4 ms 8448 KB
024.txt AC 3 ms 8448 KB
025.txt AC 4 ms 8448 KB
026.txt AC 4 ms 8448 KB
027.txt AC 3 ms 8448 KB
028.txt AC 3 ms 8448 KB
029.txt AC 4 ms 8448 KB
030.txt AC 3 ms 8448 KB
031.txt AC 4 ms 8448 KB
032.txt AC 3 ms 8448 KB
033.txt AC 4 ms 8448 KB
034.txt AC 3 ms 8448 KB
035.txt AC 4 ms 8448 KB
036.txt AC 3 ms 8448 KB
037.txt AC 4 ms 8448 KB
038.txt AC 3 ms 8448 KB
039.txt AC 358 ms 20468 KB
040.txt AC 473 ms 19712 KB
041.txt AC 570 ms 19712 KB
042.txt AC 554 ms 19712 KB
043.txt AC 573 ms 19712 KB
044.txt AC 303 ms 19712 KB
045.txt AC 379 ms 19840 KB
046.txt AC 450 ms 19712 KB
047.txt AC 558 ms 19712 KB
048.txt AC 392 ms 19712 KB
049.txt AC 162 ms 13568 KB
050.txt AC 301 ms 16512 KB
051.txt AC 237 ms 14080 KB
052.txt AC 517 ms 19072 KB
053.txt AC 65 ms 10232 KB
054.txt AC 365 ms 17408 KB
055.txt AC 4 ms 8448 KB
056.txt AC 49 ms 9216 KB
057.txt AC 215 ms 14080 KB
058.txt AC 63 ms 9216 KB
059.txt AC 352 ms 21744 KB
060.txt AC 228 ms 19712 KB
061.txt AC 352 ms 20468 KB
062.txt AC 258 ms 19712 KB
063.txt AC 352 ms 20216 KB
064.txt AC 246 ms 19712 KB
065.txt AC 364 ms 20088 KB
066.txt AC 256 ms 19712 KB
067.txt AC 356 ms 19964 KB
068.txt AC 221 ms 19712 KB
069.txt AC 358 ms 19712 KB
070.txt AC 395 ms 19712 KB
071.txt AC 353 ms 19712 KB
072.txt AC 336 ms 20088 KB
073.txt AC 387 ms 19712 KB
074.txt AC 344 ms 20468 KB
075.txt AC 398 ms 19712 KB
076.txt AC 415 ms 19712 KB
077.txt AC 397 ms 19712 KB
078.txt AC 394 ms 19712 KB
079.txt AC 82 ms 12416 KB
080.txt AC 16 ms 8704 KB
081.txt AC 27 ms 8960 KB
082.txt AC 192 ms 14080 KB
083.txt AC 50 ms 9472 KB
084.txt AC 56 ms 9600 KB
085.txt AC 47 ms 9216 KB
086.txt AC 14 ms 8576 KB
087.txt AC 104 ms 12416 KB
088.txt AC 59 ms 9728 KB
089.txt AC 343 ms 21744 KB
090.txt AC 334 ms 19712 KB
sample-01.txt AC 3 ms 8448 KB
sample-02.txt AC 3 ms 8448 KB
sample-03.txt AC 3 ms 8448 KB