1. #include <bits/stdc++.h>

2. using namespace std;

3. int main() {

4. int a, b, c;

5. cin >> a >> b >> c;//输入a,b,c

6. cout << (a + b) / c;//输出(a+b)/c的值

7. return 0;

8. }

#include <bits/stdc++.h> using namespace std;

int main() { int a, b, c; cin >> a >> b >> c; cout << (a + b)/c; return 0; }