ABC050B - Contest with Drinks Easy

問題：B - Contest with Drinks Easy

#include <iostream>
using namespace std;

#define REP(i, n) for(int i = 0; i < (n); ++i)

int main(void){
    int n, t[100], m, p, x, sum = 0;

    cin.tie(0);
    ios::sync_with_stdio(false);
    cin >> n;
    REP(i, n) {
        cin >> t[i];
        sum += t[i];
    }

    cin >> m;
    REP(i, m) {
        cin >> p >> x;
        cout << sum - t[p - 1] + x << "\n";
    }

    return 0;
}