Submission #621031

#	Time	Username	Problem	Language	Result	Execution time	Memory
621031		amin	Sorting (IOI15_sorting)	C++14	0 / 100	3 ms	340 KiB

sorting

#include "sorting.h"
#include<bits/stdc++.h>
using namespace std;
int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
    long o=0;

    for(long i=0;i<N;i++)
    {
        long p=0;
        swap(S[0],S[1]);
       for(long y=0;y<N;y++)
       {
           if(S[y]!=y)
           {
               p=1;
               break;
           }
       }
       if(p==0)
        break;
        for(long y=0;y<N;y++)
        {
            if(S[y]==i)
            {if(i!=y)
            {

if(i==1)
{


                swap(S[y],S[i-1]);
                P[o]=i-1;
                Q[o]=y;
}else
{
       swap(S[y],S[i]);
                P[o]=i;
                Q[o]=y;
}
                o++;
            }

                break;
            }
        }

    }
    if(S[0]!=0)
    {
        P[o]=0;
        Q[o]=1;
        o++;
    }
    return o;
}

Compilation message (stderr)

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:19:8: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   19 |        if(p==0)
      |        ^~
sorting.cpp:21:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   21 |         for(long y=0;y<N;y++)
      |         ^~~
sorting.cpp:32:23: warning: conversion from 'long int' to 'int' may change value [-Wconversion]
   32 |                 P[o]=i-1;
      |                      ~^~
sorting.cpp:33:22: warning: conversion from 'long int' to 'int' may change value [-Wconversion]
   33 |                 Q[o]=y;
      |                      ^
sorting.cpp:37:22: warning: conversion from 'long int' to 'int' may change value [-Wconversion]
   37 |                 P[o]=i;
      |                      ^
sorting.cpp:38:22: warning: conversion from 'long int' to 'int' may change value [-Wconversion]
   38 |                 Q[o]=y;
      |                      ^
sorting.cpp:54:12: warning: conversion from 'long int' to 'int' may change value [-Wconversion]
   54 |     return o;
      |            ^
sorting.cpp:4:39: warning: unused parameter 'M' [-Wunused-parameter]
    4 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                   ~~~~^
sorting.cpp:4:46: warning: unused parameter 'X' [-Wunused-parameter]
    4 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                          ~~~~^~~
sorting.cpp:4:55: warning: unused parameter 'Y' [-Wunused-parameter]
    4 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                                   ~~~~^~~

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