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Submission #68087

# Submission time Handle Problem Language Result Execution time Memory
68087 2018-08-15T21:48:56 Z hamzqq9 Permutation Recovery (info1cup17_permutation) C++14
71 / 100
 3610 ms 16560 KB 
#include<bits/stdc++.h>
#define st first
#define nd second
#define pb push_back
#define ppb pop_back
#define umax(x,y) x=max(x,y)
#define umin(x,y) x=min(x,y)
#define ll long long
#define ii pair<int,int>
#define iii pair<int,ii>
#define sz(x) ((int) x.size())
#define orta ((bas+son)>>1)
#define all(x) x.begin(),x.end()
#define dbgs(x) cerr<<(#x)<<" --> "<<(x)<<" "
#define dbg(x) cerr<<(#x)<<" --> "<<(x)<<endl;getchar()
#define pw(x) (1<<(x))
#define inf 1000000000
#define MOD 1000000009
#define N 70005
#define MAX 10000006
#define LOG 30
#define KOK 280
using namespace std;

int n,gsz,cache,prevv,len;
int lazy[KOK*4],sz[KOK*4],ans[N];
ii GR[KOK*4][KOK*4];
ii ar[N];
char s[N*20];
unordered_map<int,bool> MP[KOK*4];

int get_hash() {

	int res=0;

	for(int i=1;i<=len;i++) res=(1ll*res*10+(s[i]-'0'))%MOD;

	return res;

}

void rebuild() {

	int cnt=0;

	cache=0;

	for(int i=1;i<=gsz;i++) {

		for(int j=1;j<=sz[i];j++) {

			GR[i][j].st=(GR[i][j].st+lazy[i])%MOD;

			ar[++cnt]=GR[i][j];

		}

		MP[i].clear();

	}

	gsz=0;

	for(int i=1;i<=cnt;i+=KOK) {

		++gsz;

		sz[gsz]=0;

		lazy[gsz]=0;

		for(int j=i;j<=min(i+KOK-1,cnt);j++) {

			GR[gsz][++sz[gsz]]=ar[j];

			MP[gsz][ar[j].st]=1;

		}

	}

}

void push_here(int pos,int val,int ith,int gr) {

	MP[gr].clear();

	for(int i=1;i<=sz[gr];i++) {

		GR[gr][i].st=(GR[gr][i].st+lazy[gr])%MOD;

	}

	lazy[gr]=0;

	for(int i=sz[gr];i>pos;i--) {

		GR[gr][i+1]=GR[gr][i];
		GR[gr][i+1].st=(GR[gr][i+1].st+val)%MOD;

	}

	GR[gr][pos+1]={(val+GR[gr][pos].st)%MOD,ith};

	sz[gr]++;

	for(int i=1;i<=sz[gr];i++) MP[gr][GR[gr][i].st]=1;

}

void insert_here(int val,int ith,int gr) {

	for(int i=1;i<=sz[gr];i++) {

		if((GR[gr][i].st+1+lazy[gr])%MOD==val) {

			push_here(i,val,ith,gr);

			return ;

		}

	}

}

void insert(int val,int ith) {

	cache++;

	for(int i=1;i<=gsz;i++) {

		int want=(val-lazy[i]-1+MOD)%MOD;

		if(MP[i].count(want)) {

			insert_here(val,ith,i);

			for(int j=i+1;j<=gsz;j++) lazy[j]=(lazy[j]+val)%MOD;

			if(cache==KOK-2) {

				rebuild();

			}

			return ;

		}

	}

}

int main() {

//	freopen("input.txt","r",stdin);

	scanf("%d",&n);

	gsz=1;

	GR[1][1]={0,0};

	sz[1]=1;

	MP[1][0]=1;

	for(int i=1;i<=n;i++) {

		scanf("%s",s+1);

		len=strlen(s+1);

		int num=get_hash();

		int no=(num-prevv+MOD)%MOD;

		prevv=num;

		insert(no,i);

	}

	int val=-1;

	for(int i=1;i<=gsz;i++) {

		for(int j=1;j<=sz[i];j++) {

			ans[GR[i][j].nd]=++val;

		}

	}

	for(int i=1;i<=n;i++) printf("%d ",ans[i]);

}

Compilation message

permutation.cpp: In function 'int main()':
permutation.cpp:159:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
permutation.cpp:171:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",s+1);
   ~~~~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 12 ms 616 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 12 ms 616 KB Output is correct
3 Correct 29 ms 616 KB Output is correct
4 Correct 21 ms 616 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 12 ms 616 KB Output is correct
3 Correct 29 ms 616 KB Output is correct
4 Correct 21 ms 616 KB Output is correct
5 Correct 1636 ms 3844 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 12 ms 616 KB Output is correct
3 Correct 29 ms 616 KB Output is correct
4 Correct 21 ms 616 KB Output is correct
5 Correct 1636 ms 3844 KB Output is correct
6 Correct 3610 ms 16472 KB Output is correct

Subtask #6
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 12 ms 616 KB Output is correct
3 Correct 29 ms 616 KB Output is correct
4 Correct 21 ms 616 KB Output is correct
5 Correct 1636 ms 3844 KB Output is correct
6 Correct 3610 ms 16472 KB Output is correct
7 Incorrect 2615 ms 16560 KB Output isn't correct

Subtask #7
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 12 ms 616 KB Output is correct
3 Correct 29 ms 616 KB Output is correct
4 Correct 21 ms 616 KB Output is correct
5 Correct 1636 ms 3844 KB Output is correct
6 Correct 3610 ms 16472 KB Output is correct
7 Incorrect 2615 ms 16560 KB Output isn't correct

Subtask #8
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 12 ms 616 KB Output is correct
3 Correct 29 ms 616 KB Output is correct
4 Correct 21 ms 616 KB Output is correct
5 Correct 1636 ms 3844 KB Output is correct
6 Correct 3610 ms 16472 KB Output is correct
7 Incorrect 2615 ms 16560 KB Output isn't correct