Submission #636038

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
636038	2022-08-27 18:03:06	Bruteforceman	Sorting (IOI15_sorting)	C++11	36 / 100	5 ms	452 KiB

sorting

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#include "sorting.h"
#include <bits/stdc++.h>
using namespace std;
const int N=2e5+100;
int a[N];
pair<int,int> b[N];
int n;
int num=0;
 
 
int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
    num=0;
    n=N;
    for(int i=0;i<N;i++){
        a[i]=S[i];
        b[i]={a[i],i};
    }
    sort(b,b+n);
    for(int i=0;i<n;i++){
        a[b[i].second]=i;
    }
    if(n==1)return num;
    if(Y[0]==1)
    swap(a[0],a[1]);
    for(int i=0;i<n;i++){
        int f=0;
        for(int j=i+1;j<n;j++){
            if(a[j]==i){
                P[num]=i;
                Q[num]=j;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:11:23: warning: declaration of 'N' shadows a global declaration [-Wshadow]
   11 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                   ~~~~^
sorting.cpp:4:11: note: shadowed declaration is here
    4 | const int N=2e5+100;
      |           ^
sorting.cpp:11:39: warning: unused parameter 'M' [-Wunused-parameter]
   11 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                   ~~~~^
sorting.cpp:11:46: warning: unused parameter 'X' [-Wunused-parameter]
   11 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                          ~~~~^~~

• Subtask 1: 8 / 8
• Subtask 2: 12 / 12
• Subtask 3: 16 / 16
• Subtask 4: 0 / 18
• Subtask 5: 0 / 20
• Subtask 6: 0 / 26