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#1859. 【LOJ2410】「THUPC 2017」钦妹的玩具商店 / Toyshop
https://sjzezoj.com/submission/68592
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102
S2OJ/1859/1859.cpp
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102
S2OJ/1859/1859.cpp
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#include <iostream>
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#include <algorithm>
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#include <iterator>
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#include <utility>
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#include <vector>
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using std::cin;
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using std::cout;
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const char endl = '\n';
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const int mod = 1e8 + 7;
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int main() {
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std::ios::sync_with_stdio(false);
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cin.tie(nullptr);
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int t;
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cin >> t;
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while (t--) {
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int n, m, q;
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std::vector<int> c{{0}}, v{{0}}, t{{0}};
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cin >> n >> m >> q;
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std::copy_n(std::istream_iterator<int>(cin), n, std::back_inserter(c));
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std::copy_n(std::istream_iterator<int>(cin), n, std::back_inserter(v));
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std::copy_n(std::istream_iterator<int>(cin), n, std::back_inserter(t));
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std::vector<std::vector<std::pair<int, int>>> vec(n + 1);
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for (int i = 1; i <= n; i++) {
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for (int j = 1; j <= t[i]; j <<= 1) {
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vec[i].emplace_back(c[i] * j, v[i] * j);
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t[i] -= j;
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}
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if (t[i]) {
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vec[i].emplace_back(c[i] * t[i], v[i] * t[i]);
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}
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}
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std::vector<std::vector<int>>
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f(n + 2, std::vector<int>(m + 2, 0)),
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g(n + 2, std::vector<int>(m + 2, 0));
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for (int i = 1; i <= n; i++) {
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for (int j = m; j >= 0; j--) {
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f[i][j] = std::max(f[i][j], f[i - 1][j]);
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}
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for (auto o : vec[i]) {
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for (int j = m; j >= o.first; j--) {
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f[i][j] = std::max(f[i][j], f[i][j - o.first] + o.second);
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}
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}
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}
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for (int i = n; i; i--) {
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for (int j = m; j >= 0; j--) {
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g[i][j] = std::max(g[i][j], g[i + 1][j]);
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}
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for (auto o : vec[i]) {
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for (int j = m; j >= o.first; j--) {
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g[i][j] = std::max(g[i][j], g[i][j - o.first] + o.second);
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}
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}
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}
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int lst = 0;
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while (q--) {
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int x, y;
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cin >> x >> y;
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int l = std::min((x + lst - 1) % n + 1, (y + lst - 1) % n + 1),
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r = std::max((x + lst - 1) % n + 1, (y + lst - 1) % n + 1);
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int ans = 0, sum = 0;
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std::vector<int> h(m + 1);
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for (int i = 0; i <= m; i++) {
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for (int j = 0; i + j <= m; j++) {
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h[i + j] = std::max(h[i + j], f[l - 1][i] + g[r + 1][j]);
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}
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}
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for (int i = 1; i <= m; i++) {
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ans = (ans + h[i]) % mod;
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sum ^= h[i];
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}
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cout << (lst = ans) << ' ' << sum << endl;
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}
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}
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return 0;
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}
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