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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 |
---|---|---|---|---|---|---|---|---|---|
#586353 | #7744. Elevator | mhw | TL | 0ms | 13020kb | C++23 | 1.9kb | 2024-09-24 11:06:29 | 2024-09-24 11:06:29 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int, int>
#define inf 0x3f3f3f3f
#define db double
#define il inline
#define x first
#define y second
#define endl '\n'
const int N = 2e5 + 5;
const int mod = 998244353;
int nex[N];
struct node
{
int c, w, f;
}e[N], e2[N];
int cmp(node a, node b)
{
return a.f > b.f;
}
void solve()
{
int n, k;
cin >> n >> k;
int ans = 0;
for (int i = 1; i <= n; i++)
{
int c, w, f;
cin >> c >> w >> f;
e[i] = {c, w, f};
}
int lst = n, cnt = 0;
for (int i = n; i >= 1; i--)
{
auto [c, w, f] = e[i];
if (c & 1) lst = i;
else nex[i] = lst;
ans += c * w / k * f;
if (c * w % k > 0) e2[++cnt] = {w, c * w % k, f};
}
swap(e, e2);
sort(e + 1, e + cnt + 1, cmp);
int mx = e[1].f, sum = e[1].w;
// cout << e[1].c << ' ' << e[1].w << ' ' << e[1].f << endl;
for (int i = 2; i <= cnt; i++)
{
// cout << e[i].c << ' ' << e[i].w << ' ' << e[i].f << endl;
if (sum + e[i].w > k)
{
// cout << "debug " << sum << ' ' << mx << endl;
ans += mx;
if (e[i].c & 1) e[i].w -= (k - sum);
else
{
if ((k - sum) & 1) e[i].w -= (k - sum - 1), e[nex[i]].w -= 1;
else e[i].w -= (k - sum);
}
mx = e[i].f;
sum = e[i].w;
}
else sum += e[i].w;
}
ans += mx;
cout << ans << endl;
}
signed main()
{
// freopen("D:\\3022244240\\vscode\\txt\\in.txt", "r", stdin);
// freopen("D:\\3022244240\\vscode\\txt\\out.txt", "w", stdout);
ios::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
int T = 1; cin >> T;
while (T--) solve();
return 0;
}
/*
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
*/
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 13020kb
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 11 147 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 ...