oj.uz

답안 #318463

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
318463 2020-11-02T02:22:42 Z Wesley_Wang Arranging Shoes (IOI19_shoes) C++14
10 / 100
 1 ms 492 KB 
#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;

long long count_swaps(std::vector<int> s) {
	int n = s.size();
	int p[n / 2];
	for (int i = 0; i < n/2; i++)
        p[i] = -1;
	for (int i = 0; i < n; i++)
    {
        int k = abs(s[i]) - 1;
        if (p[k] == -1)
            p[k] = i;
        else
            p[k] = s[i] > 0? i - p[k] - 1: i - p[k];
    }
    int sum = 0;
    for (int i = 0; i < n/2; i++)
        sum += p[i];
    return sum;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 396 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Incorrect 0 ms 364 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Incorrect 0 ms 364 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Incorrect 0 ms 364 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 396 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Incorrect 0 ms 364 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 396 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Incorrect 0 ms 364 KB Output isn't correct
8 Halted 0 ms 0 KB -