Submission #1080986

#	Time	Username	Problem	Language	Result	Execution time	Memory
1080986		Trumling	Sorting (IOI15_sorting)	C++14	20 / 100	30 ms	26040 KiB

sorting

#include "sorting.h"
#include<bits/stdc++.h>
using namespace std;
     
#define F first
#define S second
#define pb push_back
#define all(x) x.begin(),x.end()
#define INF 9999999999999999
typedef long long ll;
ll n;

int findSwapPairs(int N, int Se[], int M, int X[], int Y[], int P[], int Q[]) 
{ 
	n=N;
	vector<pair<ll,ll>>v;
	for(int i=0;i<N;i++)
		for(int j=0;j<N;j++)
			if(Se[j]==i)
			{
				for(int c=j-1;c>=i;c--)
					{
						swap(Se[c],Se[c+1]);
						v.pb({c,c+1});
					}
			}
	
	for(int i=0;i<v.size();i++)
		{
			P[i]=v[i].F;
			Q[i]=v[i].S;
		}

	return v.size();
		
}

Compilation message (stderr)

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:28:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |  for(int i=0;i<v.size();i++)
      |              ~^~~~~~~~~
sorting.cpp:5:11: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
    5 | #define F first
sorting.cpp:30:14: note: in expansion of macro 'F'
   30 |    P[i]=v[i].F;
      |              ^
sorting.cpp:6:11: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
    6 | #define S second
sorting.cpp:31:14: note: in expansion of macro 'S'
   31 |    Q[i]=v[i].S;
      |              ^
sorting.cpp:34:15: warning: conversion from 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} to 'int' may change value [-Wconversion]
   34 |  return v.size();
      |         ~~~~~~^~
sorting.cpp:13:40: warning: unused parameter 'M' [-Wunused-parameter]
   13 | int findSwapPairs(int N, int Se[], int M, int X[], int Y[], int P[], int Q[])
      |                                    ~~~~^
sorting.cpp:13:47: warning: unused parameter 'X' [-Wunused-parameter]
   13 | int findSwapPairs(int N, int Se[], int M, int X[], int Y[], int P[], int Q[])
      |                                           ~~~~^~~
sorting.cpp:13:56: warning: unused parameter 'Y' [-Wunused-parameter]
   13 | int findSwapPairs(int N, int Se[], int M, int X[], int Y[], int P[], int Q[])
      |                                                    ~~~~^~~

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