Submission #1872387

---

Source Code Expand

#include <iostream>

using namespace std;

char a, b, c, d;
int A, B, C, D;

int main(void)
{
	cin >> a >> b >> c >> d;
	A = a - '0',B = b - '0', C = c - '0', D = d - '0';
	
	if(A+B+C+D == 7) cout << A << "+" << B << "+" << C << "+" << D << "=7" << endl;
	else if(A+B+C-D == 7) cout << A << "+" << B << "+" << C << "-" << D << "=7" << endl;
	else if(A+B-C+D == 7) cout << A << "+" << B << "-" << C << "+" << D << "=7" << endl;
	else if(A+B-C-D == 7) cout << A << "+" << B << "-" << C << "-" << D << "=7" << endl;
	else if(A-B+C+D == 7) cout << A << "-" << B << "+" << C << "+" << D << "=7" << endl;
	else if(A-B+C-D == 7) cout << A << "-" << B << "+" << C << "-" << D << "=7" << endl;
	else if(A-B-C+D == 7) cout << A << "-" << B << "-" << C << "+" << D << "=7" << endl;
	else if(A-B-C-D == 7) cout << A << "-" << B << "-" << C << "-" << D << "=7" << endl;
	
	return 0;
}

Submission Info

Judge Result