What should be the potential reason to get runtime error for this program?
- by MiNdFrEaK
#include<iostream>
#include<stack>
#include<vector>
#include<string>
#include<fstream>
#include<cstdlib>
/*farnaws,C++,673,08/12/2012*/
using namespace std;
string verifier(string input_line)
{
stack <char> braces;
for(int i=0; i<input_line.size(); i++)
{
if(input_line[i]=='(' || input_line[i]=='[')
{
braces.push(input_line[i]);
}
else if(input_line[i]==')' || input_line[i]==']')
{
braces.pop();
}
}
if(braces.size()==0)
{
return "YES";
}
else
{
return "NO";
}
}
int main()
{
ifstream file_input("input.in");
string read_file;
vector<string> file_contents;
if(file_input.is_open())
{
while(file_input>>read_file)
{
file_contents.push_back(read_file);
}
}
else
{
cout<<"File cant be open!"<<endl;
}
int limit=atoi(file_contents[0].c_str());
//cout<< limit;
ofstream file_output("output.out");
if(file_output.is_open())
{
for(int i=1; i<=limit; i++ )
{
file_output<<verifier(file_contents[i])<<endl;
}
}
else
{
cout<<"File cant be open!"<<endl;
}
return 0;
}
