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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 |
---|---|---|---|---|---|---|---|---|---|
#695085 | #9529. Farm Management | dreamwave# | WA | 0ms | 3548kb | C++14 | 1.6kb | 2024-10-31 19:17:58 | 2024-10-31 19:17:59 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
using i64 = long long;
struct node {
int w, l, r;
} ;
void solve() {
int n;
i64 m;
std::cin >> n >> m;
std::vector < node > a(n);
for(int i = 0; i < n; ++i) std::cin >> a[i].w >> a[i].l >> a[i].r;
std::sort(a.begin(), a.end(), [&](const node &x, const node &y) {
return x.w > y.w;
});
i64 ans = 0, re = 0;
for(int i = 0; i < n; ++i) {
re += 1LL * a[i].l * a[i].w;
m -= a[i].l;
}
auto cb = re;
std::vector < i64 > sum(n + 1), add(n + 1);
for(int i = 0; i < n; ++i) {
sum[i + 1] = sum[i] + (a[i].r - a[i].l);
add[i + 1] = add[i] + 1LL * a[i].w * (a[i].r - a[i].l);
}
i64 M = m;
for(int i = 0; i < n; ++i) {
cb -= 1LL * a[i].l * a[i].w;
m += a[i].l;
int l = 0, r = i, to = 0;
while(l <= r) {
int mid = (l + r) >> 1;
if(sum[i] <= m) {
l = mid + 1;
to = mid;
} else {
r = mid - 1;
}
}
// std::cout << m << ' ' << i << ' ' << a[i].w << ' ' << to << '\n';
ans = std::max(ans, cb + add[to] + 1LL * (m - sum[to]) * a[to].w);
ans = std::max(ans, re + 1LL * M * a[i].w);
i64 cnt = std::min(1LL * (a[i].r - a[i].l), M);
M -= cnt;
re += 1LL * cnt * a[i].w;
cb += 1LL * a[i].l * a[i].w;
m -= a[i].l;
}
std::cout << ans << '\n';
}
signed main() {
std::cin.tie(nullptr) -> sync_with_stdio(false);
int T = 1;
// std::cin >> T;
while(T--) solve();
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3496kb
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: -100
Wrong Answer
time: 0ms
memory: 3548kb
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:
35277263
result:
wrong answer 1st lines differ - expected: '35204500', found: '35277263'