化食欲为动力 参考代码

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

typedef long long LL;
const int maxn = 200 + 100;
int n, m, k;
LL ans;
LL a[maxn], b[maxn], c[maxn];

int main() {
#ifdef ExRoc
    freopen("test.txt", "r", stdin);
#endif // ExRoc
    ios::sync_with_stdio(false);

    cin >> n >> m >> k;
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
    }
    for (int i = 0; i < m; ++i) {
        cin >> b[i];
    }
    for (int i = 0; i < k; ++i) {
        cin >> c[i];
    }
    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < m; ++j) {
            for (int kk = 0; kk < k; ++kk) {
                ans = max(ans, a[i] * b[j] % c[kk]);
            }
        }
    }
    cout << ans << endl;

    return 0;
}