View Code of Problem 3307

#include<iostream>
#include<string>
using namespace std;

string s[10] = { "0000","0001","0010","0011","0100","0101","0110","0111","1000","1001" };
string s1[6] = { "1010","1011","1100","1101","1110","1111" };

string DtoB(string x) {
	string res;
	int gap = 8 - x.length();
	while (gap--) {
		x.insert(0,"0");
	}
	for (int i = 0;i < 8;i++) {
		if (x[i] >= '0'&&x[i] <= '9') {
			res += s[x[i] - '0'];
		}
		else {
			res += s1[x[i] - 'a'];
		}
	}
	return res;
}


string BtoD(string x) {
	string res;
	int a[4];
	for (int i = 0;i < 32;i++) {
		a[i % 4] = x[i] - '0';
		if (i % 4 == 3) {
			int temp = 8 * a[0] + 4 * a[1] + 2 * a[2] + 1 * a[3];
			if (temp >= 10) {
				res += 'a' + temp % 10;
			}
			else {
				res += temp + '0';
			}
		}
	}
	return res;
}

int main() {
	string r;
	int	x,y;
	char c;
	while (getline(cin,r)) {
		int index1 = r.find(',');
		int index2 = r.rfind(',');
		x = stoi(r.substr(index1+1, index2-index1-1));
		y = stoi(r.substr(index2+1, r.length() - 1 - index2));
		r.erase(index1);
		string B = DtoB(r);
		B[31 - x] = '0';
		B.replace(B.begin() + 31 - y, B.begin() + 33 - y, "110");
		string D = BtoD(B);
		cout << D << endl;
	}
}
/*
F:\temp\22494745.28275\Main.cc: In function 'int main()':
F:\temp\22494745.28275\Main.cc:52: error: 'stoi' was not declared in this scope
*/