Submission #59088

#	Time	Username	Problem	Language	Result	Execution time	Memory
59088		WA_TLE	Gondola (IOI14_gondola)	C++14	90 / 100	25 ms	11264 KiB

gondola

#include<deque>
#include<queue>
#include<vector>
#include<algorithm>
#include<iostream>
#include<set>
#include<cmath>
#include<tuple>
#include<string>
#include<chrono>
#include<functional>
#include<iterator>
#include<random>
#include<unordered_set>
#include<array>
#include<map>
#include<iomanip>
#include<assert.h>
#include<bitset>
#include<stack>
using namespace std;
typedef long long int llint;
typedef long double lldo;
#define mp make_pair
#define mt make_tuple
#define pub push_back
#define puf push_front
#define pob pop_back
#define pof pop_front
#define fir first
#define sec second
#define res resize
#define ins insert
#define era erase
/*
cout<<setprecision(20)
cin.tie(0);
ios::sync_with_stdio(false);
*/
const llint mod=1000000009;
const llint big=2.19e15+1;
const long double pai=3.141592653589793238462643383279502884197;
const long double eps=1e-15;
template <class T,class U>bool mineq(T& a,U b){if(a>b){a=b;return true;}return false;}
template <class T,class U>bool maxeq(T& a,U b){if(a<b){a=b;return true;}return false;}
llint gcd(llint a,llint b){if(a%b==0){return b;}else return gcd(b,a%b);}
llint lcm(llint a,llint b){if(a==0){return b;}return a/gcd(a,b)*b;}
template<class T> void SO(T& ve){sort(ve.begin(),ve.end());}
template<class T> void REV(T& ve){reverse(ve.begin(),ve.end());}
template<class T>llint LBI(vector<T>&ar,T in){return lower_bound(ar.begin(),ar.end(),in)-ar.begin();}
template<class T>llint UBI(vector<T>&ar,T in){return upper_bound(ar.begin(),ar.end(),in)-ar.begin();}
#include "gondola.h"
int valid(int n, int inputSeq[]){
	static bool use[250001]={0};
	int i,ofset=-1;
	for(i=0;i<n;i++){
		if(use[inputSeq[i]]){return 0;}
		use[inputSeq[i]]=1;
		if(inputSeq[i]>n){continue;}
		int itf=(i+n-inputSeq[i])%n;
		if(ofset==-1||ofset==itf){ofset=itf;}
		else{return 0;}
	}
	return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[]){
	int i,dai=0,ofset=0,ziyu=0;
	for(i=0;i<n;i++){
		if(maxeq(dai,gondolaSeq[i])){ziyu=i;}
		if(gondolaSeq[i]>n){continue;}
		int itf=(i+n-gondolaSeq[i])%n;
		ofset=itf;
	}
	//場所-ofset=元のゴンドラ
	for(i=0;i<dai-n;i++){replacementSeq[i]=-1;}
	ziyu=(n+n+ziyu-ofset-1)%n +1;
	for(i=0;i<n;i++){replacementSeq[gondolaSeq[i]-n-1]=(n+n+i-ofset-1)%n +1;}
	for(i=0;i<dai-n;i++){
		if(replacementSeq[i]==-1){
			replacementSeq[i]=ziyu;
			ziyu=i+n+1;
		}
	}
	replacementSeq[dai-n-1]=ziyu;
	return dai-n;
}

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

int countReplacement(int n, int inputSeq[]){
	if(!valid(n,inputSeq)){return 0;}
	llint dai=0,ans=n,zi=0,i;
	static bool ara[250001]={0};
	for(i=0;i<n;i++){
		maxeq(dai,inputSeq[i]);
		ara[inputSeq[i]]=1;
		if(inputSeq[i]<=n){ans=1;}
	}
	for(i=dai;i>n;i--){
		if(ara[i]){zi++;}
		else{ans*=zi;ans%=mod;}
	}
	return ans;
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 5 / 5
• Subtask 5: 10 / 10
• Subtask 6: 20 / 20
• Subtask 7: 5 / 5
• Subtask 8: 15 / 15
• Subtask 9: 15 / 15
• Subtask 10: 0 / 10