Submission #865827

#	Time	Username	Problem	Language	Result	Execution time	Memory
865827		Huseyn123	Gondola (IOI14_gondola)	C++17	100 / 100	43 ms	6156 KiB

gondola

#include "gondola.h"
#include <bits/stdc++.h>
#define MAX 200001
#define INF LLONG_MAX
#define MOD 1000000009
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define ins insert
#define ff first
#define ss second
#define gett(x,m) get<m>(x)
#define all(a) a.begin(),a.end()
#define lb(a,b) lower_bound(all(a),b)
#define ub(a,b) upper_bound(all(a),b)
#define sortv(a) sort(all(a))
#define sorta(a,sz) sort(a,a+sz)
#define inputar(a,b){\
    for(int i=0;i<b;i++){\
        cin >> a[i];\
    }\
}
#define inputvec(a,b){\
    for(int i=0;i<b;i++){\
        ll num;\
        cin >> num;\
        a.pb(num);\
    }\
}
#define outputar(a,b){\
    for(int i=0;i<b;i++){\
        cout << a[i] << " ";\
    }\
    cout << "\n";\
}
#define outputvec(a){\
    for(auto x:a){\
        cout << x << " ";\
    }\
    cout << "\n";\
}
#define reset(a,n,v){\
    for(int i=0;i<n;i++){\
        a[i]=v;\
    }\
}
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef tuple<ll,ll,ll> tll;
typedef pair<ll,ll> pll;
typedef pair<int,int> pii;
typedef double db;
typedef long double ldb;
inline void USACO(string filename){
  freopen((filename+".in").c_str(),"r",stdin);
  freopen((filename+".out").c_str(),"w",stdout);
}
int valid(int n, int inputSeq[])
{
	map<int,int> b; 
	int x=-1; 
	for(int i=0;i<n;i++){
		if(inputSeq[i]<=n){
			x=i; 
		}
		b[inputSeq[i]]++; 
	}
	for(auto x:b){
		if(x.second>1){
			return 0;
		}
	}
	if(x==-1){
		return 1; 
	}
	vector<int> a; 
	a.resize(n); 
	int h1=inputSeq[x]-1; 
	for(int i=0;i<n;i++){
		a[x]=h1+1;
		x++;
		x%=n; 
		h1++; 
		h1%=n; 
	}
	for(int i=0;i<n;i++){
		if(inputSeq[i]<=n && inputSeq[i]!=a[i]){
			return 0;
		}
	}

	return 1; 
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
	int ind=0;
	vector<pii> c; 
	c.pb(mp(n,-1)); 
	int x=-1; 
	for(int i=0;i<n;i++){
		if(gondolaSeq[i]>n){
			c.pb(mp(gondolaSeq[i],i)); 
		}
		else{
			x=i; 
		}
	}
	vector<int> a; 
	a.resize(n); 
	if(x!=-1){
		int h1=gondolaSeq[x]-1; 
		for(int i=0;i<n;i++){
			a[x]=h1+1;
			x++;
			x%=n; 
			h1++; 
			h1%=n; 
		}
	}
	else{
		for(int i=0;i<n;i++){
			a[i]=i+1; 
		}
	}
	sortv(c); 
	int sz=(int)c.size(); 
	for(int i=1;i<sz;i++){
		replacementSeq[ind]=a[c[i].ss];
		ind++; 
		for(int j=c[i-1].ff+1;j<c[i].ff;j++){
			replacementSeq[ind]=j;
			ind++; 
		}
	}
	return ind; 
}

//----------------------
ll powmod(ll x,ll y,ll md){
    if(y==0){
        return 1;
    }
    x%=md;
    if(x==0){
        return 0;
    }
    ll res=1;
    while(y>0){
        if(y%2){
            res*=x;
            res%=md;
        }
        y/=2;
        x*=x;
        x%=md;
    }
    return res;
}
int countReplacement(int n, int inputSeq[])
{
	if(valid(n,inputSeq)==0){
		return 0;
	}
	ll res=1; 
	vector<pii> c; 
	c.pb(mp(n,-1)); 
	int x=-1; 
	for(int i=0;i<n;i++){
		if(inputSeq[i]>n){
			c.pb(mp(inputSeq[i],i)); 
		}
		else{
			x=i;
		}
	}
	sortv(c); 
	int sz=(int)c.size(); 
	for(int i=1;i<sz;i++){
		res*=powmod(sz-i,c[i].ff-c[i-1].ff-1,MOD);
		res%=MOD;
	}
	if(x==-1){
		res*=(ll)n; 
		res%=MOD;
	}
	return (int)res; 
}

• 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: 10 / 10