oj.uz

답안 #143276

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
143276 2019-08-13T13:50:56 Z mat_v Arranging Shoes (IOI19_shoes) C++14
15 / 100
 40 ms 11320 KB 
#include "shoes.h"
#include <bits/stdc++.h>
#include <cstdio>
#include <cassert>
#define pb push_back

using namespace std;

int n;
vector<int> tike[200005][2];
int dokle[200005][2];
long long count_swaps(std::vector<int> s) {
    n = s.size()/2;
    long long pom = n;
    pom = pom * (pom - 1);
    pom /= 2;
    return pom;
    for(int i=0; i<2*n; i++){
        if(s[i] < 0)tike[abs(s[i])][0].pb(i);
        else tike[s[i]][1].pb(i);
    }
    int l = 0;
    long long res = 0;
    while(l < 2*n){
        int koji = abs(s[l]);
        int ind = 0;
        if(s[l] < 0)ind = 1;
        int gde = tike[koji][ind][dokle[koji][ind]];
        while(gde > l+1){
            //cout << gde << endl;
            swap(s[gde], s[gde-1]);
            res++;
            gde--;
        }
        dokle[koji][ind]++;
        dokle[koji][ind^1]++;
        if(!ind)res++;
        l += 2;
    }
    return res;
}

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Incorrect 11 ms 9720 KB Output isn't correct

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Incorrect 11 ms 9720 KB Output isn't correct

Subtask #3
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Incorrect 11 ms 9720 KB Output isn't correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 9720 KB Output is correct
2 Correct 11 ms 9720 KB Output is correct
3 Correct 10 ms 9724 KB Output is correct
4 Correct 10 ms 9636 KB Output is correct
5 Correct 40 ms 11320 KB Output is correct
6 Correct 40 ms 11260 KB Output is correct
7 Correct 40 ms 11256 KB Output is correct
8 Correct 38 ms 11256 KB Output is correct
9 Correct 39 ms 11312 KB Output is correct
10 Correct 40 ms 11256 KB Output is correct

Subtask #5
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Incorrect 11 ms 9720 KB Output isn't correct

Subtask #6
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Incorrect 11 ms 9720 KB Output isn't correct