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Submission #292794

# Submission time Handle Problem Language Result Execution time Memory
292794 2020-09-07T13:31:59 Z TMJN Gondola (IOI14_gondola) C++17
100 / 100
 32 ms 2688 KB 
#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;


int valid(int n, int inputSeq[]){
	int t=1;
	for(int i=0;i<n;i++){
		if(inputSeq[i]<=n){
			for(int j=0;j<n;j++){
				if(inputSeq[(i+j)%n]<=n){
					if((inputSeq[i]+j)%n!=inputSeq[(i+j)%n]%n){
						t=0;
					}
				}
			}
			break;
		}
	}
	sort(inputSeq,inputSeq+n);
	for(int i=0;i<n-1;i++){
		if(inputSeq[i]==inputSeq[i+1])t=0;
	}
	return t;
}

int K[100000],P[250001];

int replacement(int n, int gondolaSeq[], int replacementSeq[]){
	int mx=0;
	for(int i=0;i<n;i++){
		mx=max(mx,gondolaSeq[i]);
	}
	for(int i=0;i<n;i++){
		K[i]=i+1;
	}
	for(int i=0;i<n;i++){
		if(gondolaSeq[i]<=n){
			for(int j=0;j<n;j++){
				K[(i+j)%n]=(gondolaSeq[i]+j)%n;
			}
			for(int j=0;j<n;j++){
				if(!K[j])K[j]=n;
			}
			break;
		}
	}
	for(int i=0;i<n;i++){
		P[gondolaSeq[i]]=K[i];
	}
	for(int i=0;i<n;i++){
		if(gondolaSeq[i]==mx){
			int c=0;
			int t=K[i];
			for(int j=n+1;j<=mx-1;j++){
				if(!P[j]){
					replacementSeq[c]=t;
					t=j;
				}
				else{
					replacementSeq[c]=P[j];
				}
				c++;
			}
			replacementSeq[c]=t;
		}
	}
	return mx-n;
}

long long pw(long long x,int y){
	long long a=1;
	while(y){
		if(y&1)a=a*x%1000000009;
		x=x*x%1000000009;
		y/=2;
	}
	return a;
}

int countReplacement(int n, int inputSeq[]){
	if(!valid(n,inputSeq))return 0;
	long long k;
	if(inputSeq[0]<=n)k=1;
	else k=n;
	int p=n;
	for(int i=0;i<n;i++){
		if(inputSeq[i]<=p)continue;
		k*=pw(n-i,inputSeq[i]-p-1);
		k%=1000000009;
		p=inputSeq[i];
	}
	return k;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 288 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 9 ms 512 KB Output is correct
7 Correct 20 ms 640 KB Output is correct
8 Correct 14 ms 640 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 24 ms 640 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 9 ms 512 KB Output is correct
7 Correct 20 ms 640 KB Output is correct
8 Correct 14 ms 640 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 24 ms 640 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 9 ms 512 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 21 ms 640 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 13 ms 1280 KB Output is correct
12 Correct 15 ms 1408 KB Output is correct
13 Correct 19 ms 1792 KB Output is correct
14 Correct 14 ms 1180 KB Output is correct
15 Correct 23 ms 2688 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 19 ms 640 KB Output is correct
10 Correct 16 ms 512 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 7 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 19 ms 640 KB Output is correct
10 Correct 16 ms 512 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 7 ms 384 KB Output is correct
13 Correct 3 ms 416 KB Output is correct
14 Correct 32 ms 672 KB Output is correct
15 Correct 28 ms 1664 KB Output is correct
16 Correct 7 ms 512 KB Output is correct
17 Correct 19 ms 1152 KB Output is correct
18 Correct 14 ms 768 KB Output is correct