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Submission #122310

# Submission time Handle Problem Language Result Execution time Memory
122310 2019-06-28T04:35:14 Z liwi Gondola (IOI14_gondola) C++11
55 / 100
 48 ms 5112 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

#include "gondola.h"

using namespace std;
using namespace __gnu_pbds;
typedef tree<int, null_type, less<int>, rb_tree_tag,tree_order_statistics_node_update> ordered_set;

#define scan(x) do{while((x=getchar())<'0'); for(x-='0'; '0'<=(_=getchar()); x=(x<<3)+(x<<1)+_-'0');}while(0)
char _;
#define complete_unique(a) a.erase(unique(a.begin(),a.end()),a.end())
#define all(a) a.begin(),a.end()
#define println printf("\n");
#define readln(x) getline(cin,x);
#define pb push_back
#define endl "\n"
#define INT_INF 0x3f3f3f3f
#define LL_INF 0x3f3f3f3f3f3f3f3f
#define MOD 1000000007
#define mp make_pair
#define fastio cin.tie(0); cin.sync_with_stdio(0);

#define MAXN 100001
#define MAXV 250001

typedef unsigned long long ull;
typedef long long ll;
typedef long double ld;
typedef unordered_map<int,int> umii;
typedef pair<int,int> pii;
typedef pair<double,double> pdd;
typedef pair<ll,ll> pll;
typedef pair<int,pii> triple;
typedef int8_t byte;

mt19937 g1(time(0));

int randint(int a, int b){return uniform_int_distribution<int>(a, b)(g1);}
ll randlong(ll a,ll b){return uniform_int_distribution<long long>(a, b)(g1);}

ll gcd(ll a, ll b){return b == 0 ? a : gcd(b, a % b);}
ll lcm(ll a, ll b){return a*b/gcd(a,b);}
ll fpow(ll  b, ll exp, ll mod){if(exp == 0) return 1;ll t = fpow(b,exp/2,mod);if(exp&1) return t*t%mod*b%mod;return t*t%mod;}
ll divmod(ll i, ll j, ll mod){i%=mod,j%=mod;return i*fpow(j,mod-2,mod)%mod;}

int arr[MAXN] = {3,2};
set<int> s;

vector<int> getSequence(int n, int seq[MAXN]){
	int idx = -1;
	for(int i=0; i<n; i++){
		if(seq[i] <= n){
			idx = i;
			break;
		}
	}
	if(idx == -1){
		vector<int> v(n); for(int i=1; i<=n; i++) v[i-1] = i;
		return v;
	}
	for(int i=1; i<n; i++){
		if(seq[(idx+i)%n] > n) continue;
		int req = (seq[idx]+i)%n;
		if(req == 0) req = n;
		if(req != seq[(idx+i)%n]) return {-1};
	}
	for(int i=1; i<n; i++){
		int req = (seq[idx]+i)%n;
		if(req == 0) req = n;
		seq[(idx+i)%n] = req;
	}
	vector<int> v; for(int i=0; i<n; i++) v.pb(seq[i]);
	return v;
}

int valid(int n, int seq[MAXN]){
	for(int i=0; i<n; i++){
		if(s.count(seq[i])) return 0;
		s.insert(seq[i]);
	}
	s.clear();
	vector<int> v = getSequence(n,seq);
	if(v[0] == -1) return 0;
	int idx = -1;
	for(int i=0; i<n; i++)
		if(v[i] == 1)
			idx = i;
	rotate(v.begin(),v.begin()+idx,v.begin()+n);
	for(int i=1; i<n; i++)
		if(v[i] != v[i-1]+1)
			return 0;
	return 1;
}

int replacement(int n, int gondolaSeq[MAXN], int replacementSeq[MAXV]){
	int tmp[MAXN]; memcpy(tmp,gondolaSeq,sizeof tmp);
	vector<int> v = getSequence(n,tmp);
	//for(int check:v) printf("%d ",check); printf("\n");

	priority_queue<pii,vector<pii>,greater<pii>> q;
	for(int i=0; i<n; i++)
		q.push(mp(gondolaSeq[i],i));

	int cnt = 0, mx = n;
	while(q.size()){
		int vv = q.top().first, idx = q.top().second; q.pop();
		while(v[idx] < vv){
			replacementSeq[cnt++] = v[idx];
			v[idx] = ++mx;
		}
	}
	return cnt;
}

int countReplacement(int n, int inputSeq[MAXN]){

}

Compilation message

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:119:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 16 ms 2304 KB Output is correct
7 Correct 11 ms 1024 KB Output is correct
8 Correct 29 ms 4228 KB Output is correct
9 Correct 10 ms 1536 KB Output is correct
10 Correct 40 ms 4828 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 17 ms 2296 KB Output is correct
7 Correct 12 ms 1024 KB Output is correct
8 Correct 31 ms 4176 KB Output is correct
9 Correct 9 ms 1536 KB Output is correct
10 Correct 41 ms 4856 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 20 ms 2176 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 48 ms 5112 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 768 KB Output is correct
2 Correct 2 ms 768 KB Output is correct
3 Correct 2 ms 768 KB Output is correct
4 Correct 2 ms 768 KB Output is correct
5 Correct 2 ms 768 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 768 KB Output is correct
2 Correct 2 ms 768 KB Output is correct
3 Correct 2 ms 768 KB Output is correct
4 Correct 2 ms 684 KB Output is correct
5 Correct 3 ms 684 KB Output is correct
6 Correct 2 ms 768 KB Output is correct
7 Correct 3 ms 768 KB Output is correct
8 Correct 3 ms 768 KB Output is correct
9 Correct 2 ms 768 KB Output is correct
10 Correct 2 ms 768 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 768 KB Output is correct
2 Correct 2 ms 768 KB Output is correct
3 Correct 3 ms 768 KB Output is correct
4 Correct 2 ms 768 KB Output is correct
5 Correct 2 ms 740 KB Output is correct
6 Correct 3 ms 768 KB Output is correct
7 Correct 2 ms 768 KB Output is correct
8 Correct 3 ms 768 KB Output is correct
9 Correct 2 ms 768 KB Output is correct
10 Correct 3 ms 896 KB Output is correct
11 Correct 19 ms 2936 KB Output is correct
12 Correct 22 ms 3088 KB Output is correct
13 Correct 18 ms 1888 KB Output is correct
14 Correct 19 ms 2928 KB Output is correct
15 Correct 20 ms 2740 KB Output is correct

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 300 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -