제출 #31820

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
31820	2017-09-10 12:45:59	top34051	Sorting (IOI15_sorting)	C++14	74 / 100	47 ms	10288 KiB

sorting

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#include "sorting.h"
#include<bits/stdc++.h>
using namespace std;
#define maxn 2005
int n, s[maxn];
int a[maxn], pos[maxn];
pair<int,int> sw[maxn];
int get(int rec) {
    int i,x,cnt;
    for(i=0;i<n;i++) a[i] = s[i];
    for(i=0;i<n;i++) pos[a[i]] = i;
    cnt = 0;
    for(i=0;i<n;i++) {
        x = pos[i];
        if(i!=x) {
            pos[a[i]] = x;
            swap(a[i], a[x]);
            if(rec) sw[cnt] = {a[i],a[x]};
            cnt++;
        }
    }
    return cnt;
}
int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
    int i,x,now;
    n = N;
    for(i=0;i<n;i++) s[i] = S[i];
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 12 / 12
• Subtask 3: 16 / 16
• Subtask 4: 18 / 18
• Subtask 5: 20 / 20
• Subtask 6: 0 / 26