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Submission #900281

# Submission time Handle Problem Language Result Execution time Memory
900281 2024-01-08T03:54:22 Z Darren0724 Gondola (IOI14_gondola) C++17
100 / 100
 49 ms 5964 KB 
#include "gondola.h"
#include<bits/stdc++.h>
//#include "grader.cpp"
using namespace std;
const int INF=1e9;
const int mod=1e9+9;
long long pw(long long a,int b){
	assert(b>=0);
	long long ans=1;
	while(b){
		if(b&1){
			ans=ans*a%mod;
		}
		a=a*a%mod;
		b>>=1;
	}
	return ans;
}
int valid(int n, int v[]){
	int mn=INF,idx=-1;
	map<int,int> a;
	for(int i=0;i<n;i++){
		a[v[i]]++;
		if(a[v[i]]>1){
			return 0;
		}
		if(v[i]<mn){
			idx=i;
			mn=v[i];
		}
	}
	if(mn>n){
		return 1;
	}
	for(int j=0;j<n;j++){
		int i=(j+idx)%n;
		if(v[i]<=n){
			if(v[i]!=mn+j){
				return 0;
			}
		}
	}
	return 1;
}

//----------------------

int replacement(int n, int v[], int ans[]){
	int mn=INF,idx=0,mx=-1;
	vector<int> a(300000,-1);
	for(int i=0;i<n;i++){
		a[v[i]]=i;
		if(v[i]<mn){
			idx=i;
			mn=v[i];
		}
	}
	vector<int> ori(n);
	if(mn>n){
		idx=0,mn=1;
	}
	for(int i=0;i<n;i++){
		ori[(idx+i)%n]=mn;
		mn++;
		if(mn>n){
			mn=1;
		}
	}
	int j=n+1,ptr=0;
	for(int i=n+1;i<300000;i++){
		if(a[i]!=-1){
			ans[ptr]=ori[a[i]];
			ptr++;
			while(j<i){
				ans[ptr]=j;
				j++;
				ptr++;
			}
			j++;
		}
	}
	return ptr;
}

//----------------------

int countReplacement(int n, int v[]){
	if(!valid(n,v)){
		return 0;
	}
	int mn=INF;
	for(int i=0;i<n;i++){
		mn=min(mn,v[i]);
	}
	vector<int> a;
	for(int i=0;i<n;i++){
		if(v[i]>n){
			a.push_back(v[i]);
		}
	}
	sort(a.begin(),a.end());
	long long ans=1;
	int sz=a.size();
	int last=n;
	for(int i=0;i<sz;i++){
		int t=a[i]-last-1;
		ans=ans*pw((sz-i),t);
		ans%=mod;
		last=a[i];
	}
	if(mn>n){
		ans=ans*n%mod;
	}
	return ans;
}

Compilation message

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:49:19: warning: unused variable 'mx' [-Wunused-variable]
   49 |  int mn=INF,idx=0,mx=-1;
      |                   ^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 10 ms 2136 KB Output is correct
7 Correct 7 ms 600 KB Output is correct
8 Correct 19 ms 3932 KB Output is correct
9 Correct 6 ms 1368 KB Output is correct
10 Correct 23 ms 4528 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 420 KB Output is correct
6 Correct 10 ms 2332 KB Output is correct
7 Correct 7 ms 604 KB Output is correct
8 Correct 20 ms 3932 KB Output is correct
9 Correct 6 ms 1372 KB Output is correct
10 Correct 23 ms 4528 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 13 ms 2124 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 34 ms 4564 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1372 KB Output is correct
3 Correct 1 ms 1372 KB Output is correct
4 Correct 1 ms 1628 KB Output is correct
5 Correct 1 ms 1372 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1372 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 1 ms 1372 KB Output is correct
4 Correct 1 ms 1372 KB Output is correct
5 Correct 1 ms 1372 KB Output is correct
6 Correct 1 ms 1824 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
8 Correct 1 ms 1628 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 1 ms 1628 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1372 KB Output is correct
2 Correct 1 ms 1624 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 1 ms 1372 KB Output is correct
5 Correct 1 ms 1372 KB Output is correct
6 Correct 1 ms 1372 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
8 Correct 2 ms 1628 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 1 ms 1624 KB Output is correct
11 Correct 7 ms 2136 KB Output is correct
12 Correct 8 ms 2140 KB Output is correct
13 Correct 9 ms 2140 KB Output is correct
14 Correct 7 ms 2140 KB Output is correct
15 Correct 16 ms 2396 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 0 ms 348 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 33 ms 4188 KB Output is correct
10 Correct 26 ms 3416 KB Output is correct
11 Correct 10 ms 1368 KB Output is correct
12 Correct 12 ms 1628 KB Output is correct
13 Correct 3 ms 604 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 35 ms 4148 KB Output is correct
10 Correct 26 ms 3420 KB Output is correct
11 Correct 10 ms 1372 KB Output is correct
12 Correct 12 ms 1628 KB Output is correct
13 Correct 3 ms 604 KB Output is correct
14 Correct 49 ms 4436 KB Output is correct
15 Correct 48 ms 5964 KB Output is correct
16 Correct 8 ms 1332 KB Output is correct
17 Correct 30 ms 4236 KB Output is correct
18 Correct 17 ms 2396 KB Output is correct