Files
python/TangDou/XiTi/1315_3.cpp

23 lines
446 B
C++
Raw Normal View History

2025-08-30 18:35:01 +08:00
#include <bits/stdc++.h>
using namespace std;
int n, m;
int ans;
int main() {
cin >> n >> m;
//出发点特判
if (n == 1 && m == 1) {
puts("1");
return 0;
}
//奇偶行分类,然后n = m特判
//如果n是奇数
if (n & 1) {
ans = n + m - 1;
if (n == m) ans--;
} else // n是偶数
ans = n + (m - 1) / 2 * 2;
printf("%d", ans);
return 0;
}