문제
풀이
#include <iostream>
using namespace std;
void solve(int idx) {
int n, m; cin >> n >> m;
cout << "Case " << idx << ": " << m-n+1 << "\n";
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t; cin >> t;
for (int i=1; i<=t; i++) solve(i);
return 0;
}