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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 |
---|---|---|---|---|---|---|---|---|---|
#691185 | #9529. Farm Management | WA_automaton# | WA | 0ms | 3648kb | C++20 | 1.7kb | 2024-10-31 10:18:40 | 2024-10-31 10:18:41 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
#define x first
#define y second
#define pb push_back
void debug() {std::cerr << "\n";}
template<class T, class... OtherArgs>
void debug(T &&var, OtherArgs &&... args) {
std::cerr << std::forward<T>(var) << " ";
debug(std::forward<OtherArgs>(args)...);
}
#define SZ(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
using namespace std;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
using i64 = long long;
using u64 = unsigned long long;
using LD = long double;
using PII = pair<int, int>;
constexpr int N = 300010;
constexpr int P = 1e9 + 7;
void solve() {
int n, m;
cin >> n >> m;
vector<array<int, 3>> a(n);
int t = 0, cost = 0;
for (int i = 0; i < n; i++) {
auto &[w, l, r] = a[i];
cin >> w >> l >> r;
m -= l;
cost += w * l;
}
sort(all(a));
vector<int> suf(n + 1), sufres(n + 1);
for (int i = n - 1; ~i; i--) {
auto &[w, l, r] = a[i];
suf[i] = suf[i + 1] + r - l;
sufres[i] = sufres[i + 1] + (r - l) * w;
}
int ans = cost;
for (int i = 0; i < n; i++) {
auto &[w, l, r] = a[i];
int rest = m + l;
int j = lower_bound(all(suf), rest, greater()) - suf.begin();
j = min(j, n - 1);
// debug("?", i, j, rest, sufres[j + 1]);
rest -= suf[j + 1];
ans = max(ans, cost - w * l + sufres[j + 1] + rest * a[j][0]);
}
cout << ans << '\n';
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout << fixed << setprecision(20);
int _ = 1;
// cin >> _;
while (_--) {
solve();
}
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3560kb
input:
5 17 2 3 4 6 1 5 8 2 4 4 3 3 7 5 5
output:
109
result:
ok single line: '109'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3648kb
input:
12 62 503792 9 10 607358 1 3 600501 10 10 33249 4 4 774438 6 6 197692 3 6 495807 8 8 790225 5 9 77272 3 8 494819 4 9 894779 3 9 306279 5 6
output:
35204500
result:
ok single line: '35204500'
Test #3:
score: -100
Wrong Answer
time: 0ms
memory: 3616kb
input:
15 32 835418 2 3 178262 1 3 527643 2 2 519710 1 1 774544 3 3 82312 1 1 808199 1 1 809396 1 3 255882 1 3 80467 1 3 874973 1 3 813965 1 2 198275 1 2 152356 1 3 802055 1 1
output:
17016847
result:
wrong answer 1st lines differ - expected: '22000255', found: '17016847'