Submission #1365675

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Source Code Expand

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

int itti(int a, int b) {
	string sa = to_string(a), sb = to_string(b);
	int res = 0;
	for (int i = 0; i < 3; i++) {
		if (sa[i] == sb[i])res++;
	}
	return res;
}
vector<int>ak, bk;
int main() {
	int a, b;
	cin >> a >> b;

	for (int i = 100; i < 1000; i++) {
		if (itti(i, a) > 1) {
			ak.push_back(i);
		}
		if (itti(i, b) > 1) {
			bk.push_back(i);
		}
	}
	int ans = -1e9;
	for (int i = 0; i < ak.size(); i++) {
		ans = max(ans, ak[i] - b);
	}
	for (int i = 0; i <bk.size(); i++) {
		ans = max(ans, a - bk[i]);
	}
	cout << ans << endl;
}

Submission Info

Judge Result