Submission #1495255

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Source Code Expand

#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<sstream>
#include<vector>
#include<algorithm>
#include<string.h>
#include<set>
#include<fstream>
#include<map>
#include<string>
#include <stdio.h>
#include<bitset>
#include<queue>
#include<iomanip>
#include<cmath>

using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<ll>vl;
typedef vector<int>vi;
typedef vector<bool>vb;
typedef vector<double>vd;
typedef vector<char>vc;
typedef vector<string>vs;
#define MP make_pair
#define oo 1000000
const ll mod = 1e9 + 7;

void ff()
{
	std::ios_base::sync_with_stdio(0);
	cin.tie(NULL); cout.tie(NULL);
}

//#pragma warning (disable : 4996)
void in_out_txt()
{
	freopen("input.txt", "r", stdin);
	freopen("output.txt", "w", stdout);
}

int main()
{
	ff();
	//in_out_txt()
	string str;
	cin >> str;
	int c1 = 0, c2 = 0, z = 0, co = 0;
	for (int i = 0; i < str.size(); i++)
	{
		if (str[i] == 'S')
			c1++;
		else
			c1--;
		if (c1 < 0)
			co++, c1 = 0;
		/*if (str[i] == 'S' && z == 0)
			c1++;
		else if (str[i] == 'T')
			c2++, z = 1;
		else if (str[i] == 'S' && z == 1)
		{
			if (c1 >= c2)
				c2 = 0, c1 -= c2;
			else
				co += c2 - c1, c2 = c1 = 0;
			z = 0;
			i--;
		}*/
	}
	cout << co * 2 << endl;
	//system("pause");
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘void in_out_txt()’:
./Main.cpp:39:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
  freopen("input.txt", "r", stdin);
                                  ^
./Main.cpp:40:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
  freopen("output.txt", "w", stdout);
                                    ^

Judge Result