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Submission #159772

# Submission time Handle Problem Language Result Execution time Memory
159772 2019-10-24T13:53:15 Z maximath_1 Gondola (IOI14_gondola) C++11
60 / 100
 57 ms 5240 KB 
#include "gondola.h"
#include<bits/stdc++.h>
using namespace std;

int valid(int n, int inputSeq[]){
	map<int, bool>mp;
	for(int i=0; i<n; i++){
		if(!mp[inputSeq[i]])
			mp[inputSeq[i]]=true;
		else return 0;
	}
	int fi=-1;
	for(int i=0; i<n; i++){
		if(inputSeq[i]<=n){
			if(fi==-1) fi=i;
			else{
				int check=i+inputSeq[fi]-fi;
				check%=n;
				if(check==0) check=n;
				if(check!=inputSeq[i]) return 0;
			}
		}
	}
	return 1;
}

int replacement(int n, int gondolaSeq[], int replacementSeq[]){
	int rotate=0;
	for(int i=0; i<n; i++){
		if(gondolaSeq[i]<=n) rotate=(n+gondolaSeq[i]-i-1)%n;
	}
	int now;
	priority_queue<pair<int, int>, vector<pair<int, int> >, greater<pair<int, int> > >pq;
	for(int i=0; i<n; i++){
		now=gondolaSeq[(n+i-rotate)%n];
		if(now>n) pq.push({now, i+1});
	}
	int idx=0, cnt=n+1;
	while(!pq.empty()){
		int replacementGondola=pq.top().first;
		int idxc=pq.top().second;
		pq.pop();
		replacementSeq[idx++]=idxc;
		for(int i=cnt; i<replacementGondola; i++){
			replacementSeq[idx++]=i;
		}
		cnt=replacementGondola+1;
	}
	return idx;
}

const long long mod=1000000009;
long long mdx(int b, int e){
	long long res=1ll; b%=mod;
	while(e){
		if(e&1) res=(res*b)%mod;
		e>>=1; b=(b*b)%mod;
	}
	return res;
}
int countReplacement(int n, int inputSeq[]){
	if(!valid(n, inputSeq)) return 0;
	int more[100069]={};
	int idxcnt=0;
	for(int i=0; i<n; i++)
		if(inputSeq[i]>n) more[idxcnt++]=inputSeq[i];
	long long res=1ll;
	if(idxcnt==n) res=(long long)n;
	if(idxcnt==0) return 1;
	int cnt=idxcnt, last=n;
	sort(more, more+idxcnt);
	for(int i=0; i<idxcnt; i++){
		res=(res*mdx(cnt, more[i]-last-1))%mod;
		last=more[i]; cnt--;
	}
	return res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 252 KB Output is correct
6 Correct 20 ms 2424 KB Output is correct
7 Correct 13 ms 1272 KB Output is correct
8 Correct 34 ms 4344 KB Output is correct
9 Correct 12 ms 1684 KB Output is correct
10 Correct 47 ms 5084 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 364 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 20 ms 2396 KB Output is correct
7 Correct 13 ms 1144 KB Output is correct
8 Correct 35 ms 4344 KB Output is correct
9 Correct 12 ms 1656 KB Output is correct
10 Correct 52 ms 4984 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 24 ms 2296 KB Output is correct
14 Correct 2 ms 400 KB Output is correct
15 Correct 57 ms 5240 KB Output is correct

Subtask #4
5.0 / 5.0

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

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 360 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 12 ms 1016 KB Output is correct
12 Correct 13 ms 1144 KB Output is correct
13 Correct 19 ms 1432 KB Output is correct
14 Correct 12 ms 1016 KB Output is correct
15 Correct 24 ms 2404 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 632 KB Output is correct
2 Correct 2 ms 888 KB Output is correct
3 Correct 2 ms 760 KB Output is correct

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 760 KB Output is correct
2 Correct 2 ms 888 KB Output is correct
3 Correct 2 ms 632 KB Output is correct
4 Correct 2 ms 760 KB Output is correct
5 Correct 2 ms 760 KB Output is correct
6 Correct 2 ms 760 KB Output is correct
7 Incorrect 2 ms 632 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 760 KB Output is correct
2 Correct 2 ms 760 KB Output is correct
3 Correct 2 ms 760 KB Output is correct
4 Correct 2 ms 632 KB Output is correct
5 Correct 2 ms 764 KB Output is correct
6 Correct 2 ms 760 KB Output is correct
7 Incorrect 2 ms 760 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 632 KB Output is correct
2 Correct 2 ms 888 KB Output is correct
3 Correct 2 ms 632 KB Output is correct
4 Correct 2 ms 760 KB Output is correct
5 Correct 2 ms 760 KB Output is correct
6 Correct 2 ms 760 KB Output is correct
7 Incorrect 2 ms 760 KB Output isn't correct
8 Halted 0 ms 0 KB -