Submission #1108046

#	Time	Username	Problem	Language	Result	Execution time	Memory
1108046		Aviansh	Sorting (IOI15_sorting)	C++17	20 / 100	2 ms	336 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 r = 0;
    for(int i = 0;i<n;i++){
        int ind = find(s+i,s+n,i)-s;
        swap(s[i],s[ind]);
        if(i!=ind){
            p[r]=i;
            q[r]=ind;
            r++;
        }
    }
    for(int i = 0;i<n;i++){
        assert(s[i]==i);
    }
	return r;
}

Compilation message (stderr)

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:9:34: warning: conversion from 'long int' to 'int' may change value [-Wconversion]
    9 |         int ind = find(s+i,s+n,i)-s;
      |                   ~~~~~~~~~~~~~~~^~
sorting.cpp:6:39: warning: unused parameter 'm' [-Wunused-parameter]
    6 | int findSwapPairs(int n, int s[], int m, int x[], int y[], int p[], int q[]) {
      |                                   ~~~~^
sorting.cpp:6:46: warning: unused parameter 'x' [-Wunused-parameter]
    6 | int findSwapPairs(int n, int s[], int m, int x[], int y[], int p[], int q[]) {
      |                                          ~~~~^~~
sorting.cpp:6:55: warning: unused parameter 'y' [-Wunused-parameter]
    6 | 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