oj.uz

Submission #521287

# Submission time Handle Problem Language Result Execution time Memory
521287 2022-02-01T13:36:06 Z sofapuden Gondola (IOI14_gondola) C++14
100 / 100
 59 ms 5956 KB 
#include "gondola.h"
#include<bits/stdc++.h>

using namespace std;

typedef long long ll;

const int M = 1e9+9;

ll pw(ll a, ll b){
	ll r = 1;
	while(b){
		if(b&1)r = r*a%M;
		b>>=1;
		a = a*a%M;
	}
	return r;
}

int valid(int n, int inputSeq[]){
	set<int> S;
	int x = 0;
	for(int i = 0; i < n; ++i){
		if(S.count(inputSeq[i]))return 0;
		S.insert(inputSeq[i]);
		if(inputSeq[i] <= n)x = (inputSeq[i]-i+n-1)%(n)+1;
	}
	for(int i = 0; i < n; ++i){
		if(inputSeq[i] != (x+i-1)%(n)+1 && inputSeq[i] <= n)return 0;
	}
	return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[]){
	vector<pair<int,int>> v;
	int x = 1;
	for(int i = 0; i < n; ++i){
		if(gondolaSeq[i] <= n)x = (gondolaSeq[i]-i+n-1)%(n)+1;
	}
	for(int i = 0; i < n; ++i){
		if(gondolaSeq[i] > n){
			v.emplace_back(gondolaSeq[i],(x+i-1)%n+1);
		}
	}
	sort(v.begin(),v.end());
	int cn = 0;
	for(int i = 0; i < v.size(); ++i){
		replacementSeq[cn++] = v[i].second;
		while(cn + n < v[i].first){
			replacementSeq[cn] = cn+n;
			cn++;
		}
	}
	return cn;
}

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

int countReplacement(int n, int gondolaSeq[]){
	if(!valid(n,gondolaSeq))return 0;
	vector<ll> v;
	bool ok = 0;
	for(int i = 0; i < n; ++i){
		if(gondolaSeq[i] > n){
			v.emplace_back((ll)gondolaSeq[i]);
		}
		else ok = 1;
	}
	sort(v.begin(),v.end());
	ll z = v.size();
	if(z == 0)return 1;
	ll ans = pw(z,v[0]-n-1);
	for(int i = 1; i < z; ++i){
		ans = (ans * pw(z-i,v[i]-v[i-1]-1)) % M;
	}
	if(!ok)ans = (ans*n)%M;
	return ans;
}

Compilation message

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:49:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |  for(int i = 0; i < v.size(); ++i){
      |                 ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 12 ms 2124 KB Output is correct
7 Correct 7 ms 596 KB Output is correct
8 Correct 23 ms 3916 KB Output is correct
9 Correct 7 ms 1356 KB Output is correct
10 Correct 30 ms 4500 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 12 ms 2148 KB Output is correct
7 Correct 7 ms 588 KB Output is correct
8 Correct 23 ms 3848 KB Output is correct
9 Correct 8 ms 1356 KB Output is correct
10 Correct 29 ms 4508 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 16 ms 1996 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 37 ms 4632 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 7 ms 488 KB Output is correct
12 Correct 8 ms 588 KB Output is correct
13 Correct 14 ms 1244 KB Output is correct
14 Correct 7 ms 588 KB Output is correct
15 Correct 17 ms 2244 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 35 ms 3956 KB Output is correct
10 Correct 28 ms 3404 KB Output is correct
11 Correct 15 ms 1436 KB Output is correct
12 Correct 15 ms 1684 KB Output is correct
13 Correct 3 ms 588 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 46 ms 4112 KB Output is correct
10 Correct 28 ms 3292 KB Output is correct
11 Correct 10 ms 1428 KB Output is correct
12 Correct 12 ms 1636 KB Output is correct
13 Correct 3 ms 588 KB Output is correct
14 Correct 47 ms 5436 KB Output is correct
15 Correct 59 ms 5956 KB Output is correct
16 Correct 10 ms 1288 KB Output is correct
17 Correct 35 ms 4116 KB Output is correct
18 Correct 19 ms 2732 KB Output is correct