Question

一道c语言题目

c语言的题目，真心不会

Answer 1

#include<vector>
int main()
{
    vector<int>  <a href="https://www.baidu.com/s?wd=num&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1Y3m1mvm1D1n1I9uH6YuA7-0ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EnHTvrHbYPW03nHn1rHmvnW0Y" target="_blank" class="baidu-highlight">num</a>;
    int n, temp,k,i;
    cin >> k;
    if (k <= 0) { cout << -1; return 1; }
    for (i = 0; i < 2 * k; i++){
        cin >> temp;
        <a href="https://www.baidu.com/s?wd=num&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1Y3m1mvm1D1n1I9uH6YuA7-0ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EnHTvrHbYPW03nHn1rHmvnW0Y" target="_blank" class="baidu-highlight">num</a>.push_back(temp);
    }
    n = 1;
    while (1){
        temp = <a href="https://www.baidu.com/s?wd=num&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1Y3m1mvm1D1n1I9uH6YuA7-0ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EnHTvrHbYPW03nHn1rHmvnW0Y" target="_blank" class="baidu-highlight">num</a>[2*k - 1] * n + num[ k - 1];
        for (i = k - 1; i >= 0; i--){
             
            if ((temp - num[i ]) % num[i+ k] != 0)
                break;
        }
        if (i < 0)break;
        n++;
    }
    cout << temp << endl;
    return 0;
}