洛谷AT2270 [ABC050B] Contest with Drinks Easy（模拟）

#include <bits/stdc++.h>
using namespace std;
inline int read() {
    int x = 0, f = 1;
    char c = getchar();
    while (c < '0' || c > '9') {
        if (c == '-')
            f = -1;
        c = getchar();
    }
    while (c >= '0' && c <= '9')
        x = (x << 3) + (x << 1) + (c ^ 48), c = getchar();
    return x * f;
}

int n, m, sum;
int t[150];
int main() {
    n = read();
    for (int i = 1; i <= n; ++i) {
        t[i] = read();
        sum += t[i];
    }
    m = read();
    for (int i = 1; i <= m; ++i) {
        int p, x;
        p = read(), x = read();
        cout << sum - t[p] + x << endl;
    }

    return 0;
}