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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 |
---|---|---|---|---|---|---|---|---|---|
#268121 | #7744. Elevator | OutsiderZz | TL | 1ms | 3532kb | C++20 | 1.2kb | 2023-11-28 08:33:13 | 2023-11-28 08:33:14 |
Judging History
answer
#include <bits/stdc++.h>
using ll = long long;
void solve() {
int n;
ll k;
std::cin >> n >> k;
std::vector<int> c(n), w(n), f(n);
for (int i = 0; i < n; ++ i) {
std::cin >> c[i] >> w[i] >> f[i];
}
ll ans = 0;
std::vector<int> id(n);
std::iota(id.begin(), id.end(), 0);
std::sort(id.begin(), id.end(), [&](int i, int j) {
if (f[i] != f[j]) {
return f[i] > f[j];
}
return w[i] > w[j];
});
for (int i = 0; i < n; ++ i) {
int j = i, u = id[i], maxf = f[u];
ll cost = 0;
if (c[u] == 0) {
continue;
}
while (j < n) {
int v = id[j];
if (cost + 1LL * c[v] * w[v] <= k) {
cost += 1LL * c[v] * w[v];
j ++;
}
else {
ll cnt = (k - cost) / w[v];
c[v] -= cnt;
break;
}
}
ans += maxf;
i = j - 1;
}
std::cout << ans << "\n";
}
int main() {
std::cin.tie(nullptr);
std::ios_base::sync_with_stdio(false);
int T;
std::cin >> T;
while (T --) {
solve();
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 3532kb
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
Time Limit Exceeded
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 18 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 ...