abc180_a - Box

\[n - a + b\]

Time complexity: $O(1)$

Memory complexity: $O(1)$

Click to show code.


using namespace std;
using ll = long long;
using ii = pair<int, int>;
using vi = vector<int>;
int main(void)
{
    ios::sync_with_stdio(false), cin.tie(NULL);
    int n, a, b;
    cin >> n >> a >> b;
    cout << n - a + b << endl;
    return 0;
}