Submission #415228

#	Time	Username	Problem	Language	Result	Execution time	Memory
415228		peuch	Arranging Shoes (IOI19_shoes)	C++17	10 / 100	1087 ms	3240 KiB

shoes

#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;

long long count_swaps(std::vector<int> s) {
	long long ans = 0;
	for(int i = 0; i < s.size(); i++){
		for(int j = i; j < s.size(); j++){
			if(s[j] < 0){
				while(j > i){
					swap(s[j], s[j - 1]);
					j--;
					ans++;
				}
				break;
			}
		}
		int val = abs(s[i]);
		i++;
		for(int j = i; j < s.size(); j++){
			if(s[j] == val){
				while(j > i){
					swap(s[j], s[j - 1]);
					j--;
					ans++;
				}
				break;
			}
		}
	}
//	for(int i = 0; i < s.size(); i++){
//		printf("%d ", s[i]);
//	}
//	printf("\n");
	return ans;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:7:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |  for(int i = 0; i < s.size(); i++){
      |                 ~~^~~~~~~~~~
shoes.cpp:8:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |   for(int j = i; j < s.size(); j++){
      |                  ~~^~~~~~~~~~
shoes.cpp:20:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |   for(int j = i; j < s.size(); j++){
      |                  ~~^~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15