Submission #144919

#	Time	Username	Problem	Language	Result	Execution time	Memory
144919		cfalas	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	2 ms	380 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

shoes

#include<bits/stdc++.h> using namespace std; #include "shoes.h" long long count_swaps(std::vector<int> s) { stack<int> st; st.push(s[0]); for(int i=1;i<s.size();i++){ while(i<s.size() && st.size()>0 && st.top()<0 && s[i]>0){ //cout<<"Removing "<<st.top()<<endl; st.pop(); i++; } if(i==s.size()) break; //cout<<"Adding "<<s[i]<<endl; st.push(s[i]); } return st.size()/2; }

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:8:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=1;i<s.size();i++){
              ~^~~~~~~~~
shoes.cpp:9:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(i<s.size() && st.size()>0 && st.top()<0 && s[i]>0){
         ~^~~~~~~~~
shoes.cpp:14:7: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(i==s.size()) break;
      ~^~~~~~~~~~

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