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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#502684 | #7744. Elevator | yaoy | WA | 43ms | 5124kb | C++20 | 1.9kb | 2024-08-03 11:41:48 | 2024-08-03 11:41:48 |
Judging History
answer
#include <bits/stdc++.h>
using i64 = long long;
// 11:01
void solve() {
int n;
i64 k;
std::cin >> n >> k;
std::vector<int> c(n), w(n), f(n);
std::array<std::vector<int>, 2> v;
for (int i = 0; i < n; i++) {
std::cin >> c[i] >> w[i] >> f[i];
v[w[i] % 2].emplace_back(i);
}
for (int i = 0; i < 2; i++) {
std::sort(v[i].begin(), v[i].end(), [&](int x, int y) {
return f[x] < f[y];
});
}
std::vector<int> p(n);
iota(p.begin(), p.end(), 0);
std::sort(p.begin(), p.end(), [&](const int &i, const int &j) {
return f[i] > f[j];
});
i64 ans = 0, lst = 0;
std::vector<bool> used(n);
for (const auto &i : p) {
for (int j = 0; j < 2; j++) {
while (!v[j].empty() && !c[v[j].back()]) {
v[j].pop_back();
}
}
if (!c[i]) {
continue;
}
if (lst >= 1LL * c[i] * w[i]) {
lst -= 1LL * c[i] * w[i];
c[i] = 0;
continue;
} else {
i64 cost = std::min(lst, 1LL * c[i] * w[i]);
i64 t = cost / w[i];
c[i] -= t;
lst -= cost;
if (lst == 1) {
if (!v[1].empty()) {
int id = v[1].back();
c[id]--;
}
lst = 0;
}
}
if (k >= 1LL * c[i] * w[i]) {
ans += f[i];
lst = k - 1LL * c[i] * w[i];
} else {
i64 times = (1LL * c[i] * w[i] + k - 1) / k;
ans += f[i] * times;
lst = 1LL * c[i] * w[i] % k;
}
c[i] = 0;
}
std::cout << ans << "\n";
}
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int t;
std::cin >> t;
while (t--) {
solve();
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3588kb
input:
2 4 6 1 1 8 7 2 5 1 1 7 3 2 6 8 1200000 100000 1 100000 100000 1 12345 100000 2 100000 100000 2 12345 100000 1 100000 100000 1 12345 100000 2 100000 100000 2 12345
output:
24 100000
result:
ok 2 lines
Test #2:
score: -100
Wrong Answer
time: 43ms
memory: 5124kb
input:
5501 8 104 5 2 3 6 2 4 5 2 3 6 2 9 8 2 4 2 1 3 7 2 4 8 2 8 1 290 3 1 1 12 12 6 1 2 1 2 2 1 1 2 1 2 4 6 1 1 1 2 5 6 1 4 4 1 4 6 2 4 6 2 5 4 2 5 4 1 4 5 334 1 1 4 1 2 3 4 2 1 5 1 1 2 1 2 13 218 5 2 3 5 1 4 1 2 1 1 2 5 3 2 2 1 1 3 4 2 2 1 2 5 2 2 1 2 1 5 3 2 1 5 2 1 1 1 4 10 260 7 2 1 5 1 1 5 2 4 6 1 6...
output:
9 1 23 4 5 7 1 3 9 6 1 10 4 9 17 6 4 1 8 5 5 7 1 3 23 6 3 3 2 2 2 3 8 1 5 6 9 11 150 7 10 2 7 7 8 6 5 5 1 7 3 5 10 7 7 10 8 1 4 2 3 9 1 5 2 9 1 6 7 7 6 10 19 8 10 4 10 9 2 8 3 5 9 3 6 5 3 2 6 1 3 2 2 1 6 9 6 3 4 8 9 9 2 6 1 2 6 7 5 2 5 21 8 1 2 3 4 9 3 4 6 5 9 6 1 7 3 7 3 2 2 8 7 3 5 9 7 10 7 3 2 4 ...
result:
wrong answer 39th lines differ - expected: '147', found: '150'