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Submission #1063668

# Submission time Handle Problem Language Result Execution time Memory
1063668 2024-08-17T22:50:03 Z Edu175 Gondola (IOI14_gondola) C++17
75 / 100
 33 ms 5996 KB 
#include "gondola.h"
#include <bits/stdc++.h>
#define pb push_back
#define fst first
#define snd second
#define fore(i,a,b) for(ll i=a,ioi=b;i<ioi;i++)
#define SZ(x) ((int)x.size())
#define ALL(x) x.begin(),x.end()
#define mset(a,v) memset((a),(v),sizeof(a))
#define imp(v) {for(auto fdgkj:v)cout<<fdgkj<<" ";cout<<"\n";}
using namespace std;
typedef long long ll;
typedef pair<ll,ll> ii;

void rotate(vector<ll>&a, ll x){
	rotate(a.begin(),a.begin()+x,a.end());
}

int valid(int n, int A[]){
	vector<ll>a(n);
	fore(i,0,n)a[i]=A[i]-1;
	set<ll>st;
	fore(i,0,n)st.insert(a[i]);
	if(SZ(st)<n)return 0;
	ll done=0;
	fore(i,0,n)if(!done&&a[i]<n){
		ll v=a[i];
		rotate(a,i);
		rotate(a,(n-v)%n),done=1;
	}
	if(!done)return 1;
	ll flag=1;
	fore(i,0,n){
		ll fi=a[i]>=n||a[i]==i;
		flag&=fi;
	}
	return flag;
}
int replacement(int n, int A[], int ret[]){
	vector<ll>a(n);
	fore(i,0,n)a[i]=A[i]-1;
	set<ll>st;
	fore(i,0,n)st.insert(a[i]);
	assert(SZ(st)==n);
	ll done=0;
	// imp(a);
	fore(i,0,n)if(!done&&a[i]<n){
		ll v=a[i];
		rotate(a,i);
		rotate(a,(n-v)%n),done=1;
	}
	// imp(a);
	vector<ii>b;
	fore(i,0,n)if(a[i]>=n)b.pb({a[i],i});
	fore(i,0,n)a[i]=i;
	sort(ALL(b));
	ll p=-1;
	vector<ll>res;
	if(!SZ(b))return 0;
	// for(auto [c,v]:b)cout<<c<<","<<v<<" ";;cout<<"\n";
	fore(k,n,b.back().fst+1){
		// cout<<k<<": "<<p<<endl;
		ll i=b[p+1].snd;
		res.pb(a[i]);
		a[i]=k;
		if(b[p+1].fst==k)p++;
	}
	fore(i,0,SZ(res))ret[i]=res[i]+1;
	return SZ(res);
}
const ll MOD=1e9+9;
// ll add(ll a, ll b){a+=b;if(a>=MOD)a-=MOD;return a;}
// ll sub(ll a, ll b){a-=b;if(a<0)a+=MOD;return a;}
ll mul(ll a, ll b){return a*b%MOD;}
ll fpow(ll b, ll e){
	ll res=1;
	while(e){
		if(e&1)res=mul(res,b);
		b=mul(b,b),e>>=1;
	}
	return res;
}
int countReplacement(int n, int A[]){
	vector<ll>a(n);
	fore(i,0,n)a[i]=A[i]-1;
	if(!valid(n,A))return 0;
	ll done=0;
	// imp(a);
	fore(i,0,n)if(!done&&a[i]<n){
		ll v=a[i];
		rotate(a,i);
		rotate(a,(n-v)%n),done=1;
	}
	// imp(a);
	vector<ll>b;
	fore(i,0,n)if(a[i]>=n)b.pb(a[i]);
	sort(ALL(b));
	// if(!SZ(b))return 1;
	ll res=1;
	fore(i,0,SZ(b)){
		ll dif=b[i]-(i?b[i-1]:n-1)-1;
		res=mul(res,fpow(SZ(b)-i,dif));
	}
	return res;
}

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 600 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 8 ms 2652 KB Output is correct
7 Correct 20 ms 4424 KB Output is correct
8 Correct 14 ms 4444 KB Output is correct
9 Correct 5 ms 1628 KB Output is correct
10 Correct 17 ms 5188 KB Output is correct

Subtask #3
10.0 / 10.0

# 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 8 ms 2516 KB Output is correct
7 Correct 20 ms 4444 KB Output is correct
8 Correct 14 ms 4444 KB Output is correct
9 Correct 4 ms 1628 KB Output is correct
10 Correct 18 ms 5208 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 10 ms 2652 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 33 ms 5856 KB Output is correct

Subtask #4
5.0 / 5.0

# 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 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #5
10.0 / 10.0

# 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 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 600 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 444 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 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 18 ms 5468 KB Output is correct
12 Correct 25 ms 5996 KB Output is correct
13 Correct 16 ms 4180 KB Output is correct
14 Correct 16 ms 5468 KB Output is correct
15 Correct 17 ms 3924 KB Output is correct

Subtask #7
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

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 448 KB Output is correct
5 Correct 1 ms 344 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

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 27 ms 5700 KB Output is correct
10 Correct 20 ms 4696 KB Output is correct
11 Correct 9 ms 1884 KB Output is correct
12 Correct 13 ms 2360 KB Output is correct
13 Incorrect 2 ms 860 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 604 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 344 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 27 ms 5724 KB Output is correct
10 Correct 21 ms 4700 KB Output is correct
11 Correct 8 ms 2008 KB Output is correct
12 Correct 11 ms 2372 KB Output is correct
13 Incorrect 2 ms 860 KB Output isn't correct
14 Halted 0 ms 0 KB -