oj.uz

답안 #980960

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
980960 2024-05-12T16:24:43 Z SmuggingSpun 곤돌라 (IOI14_gondola) C++14
60 / 100
 20 ms 3160 KB 
#include "gondola.h"
#include<bits/stdc++.h>
using namespace std;
int valid(int n, int inputSeq[]){
	vector<pair<int, int>>p;
	map<int, bool>cnt;
	for(int i = 0; i < n; i++){
		if(inputSeq[i] <= n){
			p.emplace_back(inputSeq[i], i);
		}
		else if(cnt[inputSeq[i]]){
			return 0;
		}
		else{
			cnt[inputSeq[i]] = true;
		}
	}	
	sort(p.begin(), p.end());
	for(int i = 1; i < p.size(); i++){
		if((p[i].second < p[i - 1].second && (p[i].second += n) < p[i - 1].second) || (p[i].second - p[i - 1].second != p[i].first - p[i - 1].first)){
			return 0;
		}
	}
	return 1;
}
int replacement(int n, int gondolaSeq[], int replacementSeq[]){
	if(valid(n, gondolaSeq) == 0){
		return 0;
	}
	int index = min_element(gondolaSeq, gondolaSeq + n) - gondolaSeq, L = 0;
	if(gondolaSeq[index] > n){
		vector<int>p(n), init(n);
		iota(p.begin(), p.end(), 0);
		iota(init.begin(), init.end(), 1);
		sort(p.begin(), p.end(), [&] (int i, int j) -> bool{
			return gondolaSeq[i] < gondolaSeq[j];
		});
		int current = n;
		for(int& i : p){
			while(gondolaSeq[i] > init[i]){
				replacementSeq[L++] = init[i];
				init[i] = ++current;
			}
		}
	}
	else{
		vector<int>init(n);
		for(int i = 0; i < n; i++){
			init[(i + index) % n] = (gondolaSeq[index] - 1 + i) % n + 1;
		}
		vector<int>p;
		for(int i = 0; i < n; i++){
			if(gondolaSeq[i] > n){
				p.emplace_back(i);
			}
		}
		sort(p.begin(), p.end(), [&] (int i, int j) -> bool{
			return gondolaSeq[i] < gondolaSeq[j];
		});
		int current = n;
		for(int& i : p){
			while(gondolaSeq[i] > init[i]){
				replacementSeq[L++] = init[i];
				init[i] = ++current;
			}
		}
	}
	return L;
}
const int mod = 1e9 + 7;
int power(int a, int b){
	int ans = 1;
	for(; b > 0; b >>= 1, a = 1LL * a * a % mod){
		if(b & 1){
			ans = 1LL * ans * a % mod;
		}
	}
	return ans;
}
int countReplacement(int n, int inputSeq[]){
	if(valid(n, inputSeq) == 0){
		return 0;
	}
	vector<int>p;
	for(int i = 0; i < n; i++){
		if(inputSeq[i] > n){
			p.emplace_back(i);
		}
	}
	if(p.empty()){
		return 1;
	}
	sort(p.begin(), p.end(), [&] (int i, int j) -> bool{
		return inputSeq[i] < inputSeq[j];
	});
	int ans = (p.size() == n ? n : 1);
	for(int i = 0, pre = n; i < p.size(); pre = inputSeq[p[i++]]){
		ans = 1LL * ans * power(int(p.size()) - i, inputSeq[p[i]] - pre - 1) % mod;
	}
	return ans;
}

Compilation message

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:19:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |  for(int i = 1; i < p.size(); i++){
      |                 ~~^~~~~~~~~~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:96:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   96 |  int ans = (p.size() == n ? n : 1);
      |             ~~~~~~~~~^~~~
gondola.cpp:97:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   97 |  for(int i = 0, pre = n; i < p.size(); pre = inputSeq[p[i++]]){
      |                          ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 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 1 ms 348 KB Output is correct
6 Correct 6 ms 1236 KB Output is correct
7 Correct 14 ms 1748 KB Output is correct
8 Correct 8 ms 1748 KB Output is correct
9 Correct 4 ms 860 KB Output is correct
10 Correct 14 ms 1748 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 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 5 ms 1240 KB Output is correct
7 Correct 13 ms 2004 KB Output is correct
8 Correct 8 ms 1748 KB Output is correct
9 Correct 5 ms 860 KB Output is correct
10 Correct 12 ms 1748 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 13 ms 2140 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 19 ms 2260 KB Output is correct

Subtask #4
5.0 / 5.0

# 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 1 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #5
10.0 / 10.0

# 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 1 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 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct

Subtask #6
20.0 / 20.0

# 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 0 ms 348 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 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 348 KB Output is correct
11 Correct 10 ms 1748 KB Output is correct
12 Correct 14 ms 1744 KB Output is correct
13 Correct 20 ms 2652 KB Output is correct
14 Correct 9 ms 1748 KB Output is correct
15 Correct 20 ms 3160 KB Output is correct

Subtask #7
5.0 / 5.0

# 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 1 ms 348 KB Output is correct

Subtask #8
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 360 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 1 ms 348 KB Output is correct
7 Incorrect 0 ms 344 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Incorrect 0 ms 348 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 1 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 Incorrect 1 ms 348 KB Output isn't correct
8 Halted 0 ms 0 KB -