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Submission #1102902

# Submission time Handle Problem Language Result Execution time Memory
1102902 2024-10-19T08:27:45 Z alexander707070 Gondola (IOI14_gondola) C++14
100 / 100
 16 ms 8272 KB 
#include<bits/stdc++.h>
#include "gondola.h"

#define MAXN 500007
using namespace std;

const long long mod=1e9+9;

int n,pos;
int s[MAXN],last,maxs,where[MAXN],val[MAXN];
bool li[MAXN],dali;
long long ways;

int valid(int N, int inputSeq[]){
	n=N;

	int mins=1;
	for(int i=1;i<=n;i++){
		s[i]=inputSeq[i-1];
		s[i+n]=s[i];

		if(s[i]<s[mins]){
			mins=i;
		}
	}

	for(int i=mins;i<mins+n;i++){
		if(s[i]<=n and s[i]!=s[mins]+i-mins)return 0;

		if(s[i]>n){
			if(li[s[i]])return 0;
			li[s[i]]=true;
		}
	}

	return 1;
}

int replacement(int N, int gondolaSeq[], int replacementSeq[]){
	n=N;

	maxs=1;
	for(int i=1;i<=n;i++){
		s[i]=gondolaSeq[i-1];
		
		if(s[i]>s[maxs])maxs=i;
		if(s[i]<=n)pos=i;

		where[s[i]]=i;
	}

	if(pos==0){
		for(int i=1;i<=n;i++)val[i]=i;
	}else{
		for(int i=pos;i<=n;i++)val[i]=s[pos]+i-pos;
		for(int i=1;i<pos;i++)val[i]=val[n]+i;

		for(int i=1;i<=n;i++){
			if(val[i]>n)val[i]-=n;
		}
	}

	for(int i=n+1;i<=s[maxs];i++){
		if(where[i]==0){
			replacementSeq[i-n-1]=val[maxs];
			val[maxs]=i;
		}else{
			replacementSeq[i-n-1]=val[where[i]];
			val[where[i]]=i;
		}
	}

	return s[maxs]-n;
}

long long power(long long a,int b){
	if(b==0)return 1;
	if(b==1)return a;
	if(b==2)return (a*a)%mod;
	if(b%2==0)return power(power(a,b/2),2);
	return (power(power(a,b/2),2)*a)%mod;
}

int countReplacement(int N, int inputSeq[]){
	n=N;

	for(int i=1;i<=n;i++){
		s[i]=inputSeq[i-1];
	}

	sort(s+1,s+n+1);

	ways=1; last=n;
	for(int i=1;i<=n;i++){
		if(s[i]<=n){
			dali=true; continue;
		}

		if(!dali and last==n){
			ways*=power(n-i+1,s[i]-last);
		}else{
			ways*=power(n-i+1,s[i]-last-1);
		}
		ways%=mod;

		last=s[i];
	}

	return ways;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2552 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 3 ms 2640 KB Output is correct
7 Correct 6 ms 2640 KB Output is correct
8 Correct 6 ms 2652 KB Output is correct
9 Correct 3 ms 2384 KB Output is correct
10 Correct 7 ms 2640 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2388 KB Output is correct
6 Correct 3 ms 2560 KB Output is correct
7 Correct 7 ms 2648 KB Output is correct
8 Correct 6 ms 2644 KB Output is correct
9 Correct 3 ms 2392 KB Output is correct
10 Correct 6 ms 2808 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 4 ms 2644 KB Output is correct
14 Correct 1 ms 2388 KB Output is correct
15 Correct 8 ms 2640 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6484 KB Output is correct
2 Correct 1 ms 6480 KB Output is correct
3 Correct 2 ms 6480 KB Output is correct
4 Correct 2 ms 6488 KB Output is correct
5 Correct 2 ms 6480 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6648 KB Output is correct
2 Correct 2 ms 6648 KB Output is correct
3 Correct 1 ms 6480 KB Output is correct
4 Correct 2 ms 6484 KB Output is correct
5 Correct 1 ms 6484 KB Output is correct
6 Correct 1 ms 6480 KB Output is correct
7 Correct 2 ms 6488 KB Output is correct
8 Correct 2 ms 6480 KB Output is correct
9 Correct 1 ms 6648 KB Output is correct
10 Correct 1 ms 6480 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6480 KB Output is correct
2 Correct 1 ms 6480 KB Output is correct
3 Correct 1 ms 6480 KB Output is correct
4 Correct 1 ms 6480 KB Output is correct
5 Correct 1 ms 6480 KB Output is correct
6 Correct 1 ms 6480 KB Output is correct
7 Correct 1 ms 6480 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 2 ms 6480 KB Output is correct
10 Correct 2 ms 6480 KB Output is correct
11 Correct 7 ms 6904 KB Output is correct
12 Correct 7 ms 6880 KB Output is correct
13 Correct 9 ms 7248 KB Output is correct
14 Correct 7 ms 6736 KB Output is correct
15 Correct 14 ms 8272 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2552 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2552 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2552 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 13 ms 2640 KB Output is correct
10 Correct 9 ms 2640 KB Output is correct
11 Correct 4 ms 2552 KB Output is correct
12 Correct 5 ms 2384 KB Output is correct
13 Correct 2 ms 2384 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2556 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 11 ms 2784 KB Output is correct
10 Correct 8 ms 2640 KB Output is correct
11 Correct 4 ms 2384 KB Output is correct
12 Correct 5 ms 2384 KB Output is correct
13 Correct 2 ms 2384 KB Output is correct
14 Correct 15 ms 3644 KB Output is correct
15 Correct 16 ms 3668 KB Output is correct
16 Correct 4 ms 2812 KB Output is correct
17 Correct 11 ms 3156 KB Output is correct
18 Correct 6 ms 2900 KB Output is correct