Submission #427026

#	Time	Username	Problem	Language	Result	Execution time	Memory
427026		Ahmadsm2005	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	1086 ms	3752 KiB

shoes

#include "shoes.h"
//#include "grader.cpp"
#include<bits/stdc++.h>
using namespace std;
vector<int>POS;
long long count_swaps(vector<int>s){
for(int i=0;i<s.size();i++){
if(s[i]<0)
POS.push_back(s[i]);
}
long long ANS=0;
for(int i=0;i<POS.size();i++){
for(int l=i*2;l<s.size();l++){
if(s[l]==POS[i]){
for(int x=l-1;x>=i*2;x--){
swap(s[x],s[x+1]),ANS++;
}
break;
}
}
for(int l=i*2+1;l<s.size();l++){
if(s[l]==-POS[i]){
for(int x=l-1;x>=i*2+1;x--)
swap(s[x],s[x+1]),ANS++;
break;
}
}
}
return ANS;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:7:14: 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:12:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 | for(int i=0;i<POS.size();i++){
      |             ~^~~~~~~~~~~
shoes.cpp:13:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 | for(int l=i*2;l<s.size();l++){
      |               ~^~~~~~~~~
shoes.cpp:21:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 | for(int l=i*2+1;l<s.size();l++){
      |                 ~^~~~~~~~~

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