Submission #795525

#	Time	Username	Problem	Language	Result	Execution time	Memory
795525		Cauchico	Sorting (IOI15_sorting)	C++14	20 / 100	9 ms	412 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[]) {
    int n = N, m = M;
	for (int i=n;i<m;i++) {
		P[i] = Q[i] = 0;
	}
	vector<int> p,q;
	for (int i=0;i<n;i++) {
		for (int j=0;j<n;j++) {
			if (S[j] == i and i != j) {
				swap(S[j], S[i]);
				p.push_back(i);
				q.push_back(j);
			}
		}
	}
	for (int i=0;i<p.size();i++) {
		P[i] = p[i];
		Q[i] = q[i];
	}
	if (Y[0] == 1 and m&1) {
		Q[m-1] = 1;
	}
	return p.size();
 
}

Compilation message (stderr)

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:20:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |  for (int i=0;i<p.size();i++) {
      |               ~^~~~~~~~~
sorting.cpp:27:15: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'int' may change value [-Wconversion]
   27 |  return p.size();
      |         ~~~~~~^~
sorting.cpp:5:46: warning: unused parameter 'X' [-Wunused-parameter]
    5 | 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: 0 / 16
• Subtask 4: 0 / 18
• Subtask 5: 0 / 20
• Subtask 6: 0 / 26