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Submission #1064374

# Submission time Handle Problem Language Result Execution time Memory
1064374 2024-08-18T11:58:47 Z Blagoj Gondola (IOI14_gondola) C++17
45 / 100
 38 ms 5116 KB 
#include <bits/stdc++.h>
#include "gondola.h"

using namespace std;

#define ll long long 
#define all(x) (x).begin(), (x).end()

const int MOD = 1000000009;

ll expo(ll base, ll pwr) {
	ll res = 1;
	base %= MOD;
	while (pwr) {
		if (pwr % 2 == 1) res = (res * base) % MOD;
		base = (base * base) % MOD;
		pwr /= 2;
	}
	return res;
}

vector<int> ans;

bool solve(int n, int arr[]) {
	ans.resize(n);
	set<int> s;
	int pos = -1;
	for (int i = 0; i < n; i++) {
		if (s.count(arr[i])) return 0;
		s.insert(arr[i]);
		if (arr[i] <= n) pos = i;
	}
	int val = arr[pos];
	ans[pos] = val;
	for (int i = 0; i < n - 1; i++) {
		pos = (pos + 1) % n;
		val = val % n + 1;
		ans[pos] = val;
		if (arr[pos] < val) return 0;
	}
	return 1;
}

int valid(int n, int inputSeq[]) {
	return solve(n, inputSeq);
}

int replacement(int n, int gondolaSeq[], int replacementSeq[]) {
	solve(n, gondolaSeq);
	int mx = 0;
	for (int i = 0; i < n; i++) mx = max(mx, gondolaSeq[i]);
	int pos[mx + 10];
	memset(pos, -1, sizeof(pos));
	set<int> notCorrect;
	for (int i = 0; i < n; i++) {
		pos[gondolaSeq[i]] = i;
		if (gondolaSeq[i] > n) notCorrect.insert(i);
	}
	int cnt = 0;
	for (int i = n + 1; i <= mx; i++) {
		if (pos[i] == -1) {
			replacementSeq[cnt] = ans[*notCorrect.begin()];
			ans[*notCorrect.begin()] = i;
		}
		else {
			replacementSeq[cnt] = ans[pos[i]];
			ans[pos[i]] = i;
			notCorrect.erase(pos[i]);
		}
		if (replacementSeq[cnt] == 0) assert(0);
		cnt++;
	}
	return cnt;
}

int countReplacement(int n, int inputSeq[]) {
	bool res = solve(n, inputSeq);
	if (res == 0) return 0;
	set<ll> notCorrect;
	vector<ll> v;
	for (int i = 0; i < n; i++) {
		if (inputSeq[i] > n) {
			v.push_back(inputSeq[i]);
			notCorrect.insert(i);
		}
	}
	ll sz = notCorrect.size();
	v.push_back(n);
	sort(all(v));
	ll cnt = 1;
	for (int i = 1; i < v.size(); i++) {
		ll time = v[i] - v[i - 1] - 1;
		cnt *= expo(sz, time);
		cnt %= MOD;
		sz--;
	}
	return cnt;
}

Compilation message

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:91:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |  for (int i = 1; i < v.size(); i++) {
      |                  ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 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

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory 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 0 ms 348 KB Output is correct
6 Correct 9 ms 2396 KB Output is correct
7 Correct 6 ms 1116 KB Output is correct
8 Correct 18 ms 4256 KB Output is correct
9 Correct 6 ms 1628 KB Output is correct
10 Correct 24 ms 4944 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 12 ms 2296 KB Output is correct
7 Correct 6 ms 1116 KB Output is correct
8 Correct 17 ms 4188 KB Output is correct
9 Correct 6 ms 1684 KB Output is correct
10 Correct 23 ms 4956 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 12 ms 2140 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 30 ms 5116 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 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 #5
0 / 10.0

# Verdict Execution time Memory 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 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Runtime error 1 ms 604 KB Execution killed with signal 6
9 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory 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 Correct 1 ms 348 KB Output is correct
8 Runtime error 0 ms 604 KB Execution killed with signal 6
9 Halted 0 ms 0 KB -

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 452 KB Output is correct
3 Correct 0 ms 348 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory 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 0 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 0 ms 348 KB Output is correct

Subtask #9
0 / 15.0

# Verdict Execution time Memory 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 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 600 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 38 ms 4432 KB Output is correct
10 Correct 28 ms 3676 KB Output is correct
11 Correct 10 ms 1884 KB Output is correct
12 Correct 13 ms 2136 KB Output is correct
13 Incorrect 4 ms 856 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory 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 0 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 0 ms 348 KB Output is correct
9 Correct 36 ms 4388 KB Output is correct
10 Correct 28 ms 3676 KB Output is correct
11 Correct 11 ms 1880 KB Output is correct
12 Correct 13 ms 2140 KB Output is correct
13 Incorrect 3 ms 860 KB Output isn't correct
14 Halted 0 ms 0 KB -