답안 #1063806

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1063806 2024-08-18T03:33:13 Z Edu175 곤돌라 (IOI14_gondola) C++17
100 / 100
37 ms 7504 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));
	}
	if(!done)res=mul(res,n);
	return res;
}

# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 360 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 0 ms 360 KB Output is correct
6 Correct 8 ms 2876 KB Output is correct
7 Correct 22 ms 4944 KB Output is correct
8 Correct 15 ms 4956 KB Output is correct
9 Correct 5 ms 1896 KB Output is correct
10 Correct 21 ms 5720 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 440 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 2832 KB Output is correct
7 Correct 20 ms 4836 KB Output is correct
8 Correct 14 ms 4956 KB Output is correct
9 Correct 5 ms 1864 KB Output is correct
10 Correct 19 ms 5780 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 11 ms 2552 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 25 ms 5968 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 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 360 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 360 KB Output is correct
2 Correct 0 ms 360 KB Output is correct
3 Correct 0 ms 360 KB Output is correct
4 Correct 1 ms 360 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 604 KB Output is correct
7 Correct 1 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
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 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 440 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 612 KB Output is correct
11 Correct 15 ms 5480 KB Output is correct
12 Correct 18 ms 6248 KB Output is correct
13 Correct 17 ms 4196 KB Output is correct
14 Correct 17 ms 5432 KB Output is correct
15 Correct 18 ms 3936 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 360 KB Output is correct
2 Correct 0 ms 360 KB Output is correct
3 Correct 0 ms 612 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 360 KB Output is correct
2 Correct 0 ms 360 KB Output is correct
3 Correct 1 ms 360 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 0 ms 360 KB Output is correct
6 Correct 0 ms 360 KB Output is correct
7 Correct 0 ms 360 KB Output is correct
8 Correct 0 ms 360 KB Output is correct
# 결과 실행 시간 메모리 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 0 ms 348 KB Output is correct
9 Correct 27 ms 5724 KB Output is correct
10 Correct 21 ms 4696 KB Output is correct
11 Correct 8 ms 1992 KB Output is correct
12 Correct 10 ms 2240 KB Output is correct
13 Correct 2 ms 860 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 0 ms 344 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 26 ms 5724 KB Output is correct
10 Correct 21 ms 4700 KB Output is correct
11 Correct 11 ms 1996 KB Output is correct
12 Correct 10 ms 2392 KB Output is correct
13 Correct 2 ms 860 KB Output is correct
14 Correct 33 ms 6648 KB Output is correct
15 Correct 37 ms 7504 KB Output is correct
16 Correct 6 ms 1628 KB Output is correct
17 Correct 25 ms 5200 KB Output is correct
18 Correct 13 ms 3164 KB Output is correct