제출 #1108046

#제출 시각아이디문제언어결과실행 시간메모리
1108046Aviansh정렬하기 (IOI15_sorting)C++17
20 / 100
2 ms336 KiB
#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;
}

컴파일 시 표준 에러 (stderr) 메시지

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[]) {
      |                                                   ~~~~^~~
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