QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#404237 | #6531. Base Station Construction | MCdyc | WA | 77ms | 6864kb | C++23 | 1.3kb | 2024-05-03 16:37:18 | 2024-05-03 16:37:19 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(), x.end()
#define int long long
int solve()
{
int n;
cin >> n;
map<int, int> t;
vector<int> a(n + 2);
vector<int> dp(n + 2);
for (int i = 1; i <= n; i++)
{
cin >> a[i];
}
int q;
cin >> q;
t[0] = 0;
for (int i = 0; i < q; i++)
{
int l, r;
cin >> l >> r;
t[r] = max(t[r], l);
}
queue<pair<int, int>> tmp;
for (auto it : t)
{
tmp.emplace(it);
}
tmp.push({998244353, 0});
list<int> p;
p.emplace_back(0);
int l = 0;
for (int i = 1; i <= n + 1; i++)
{
while (p.front() < l)
{
p.pop_front();
}
dp[i] = a[i] + dp[p.front()];
while (!p.empty() && dp[p.back()] >= dp[i])
{
p.pop_back();
}
p.push_back(i);
if (i >= tmp.front().first)
{
l = max(l, tmp.front().second);
tmp.pop();
}
}
cout << dp[n + 1] << "\n";
return 0;
}
signed main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int test = 1;
cin >> test;
while (test--)
{
solve();
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3540kb
input:
2 5 3 2 4 1 100 3 1 3 2 4 5 5 5 7 3 4 2 2 3 1 4 2 3 4 5
output:
102 5
result:
ok 2 number(s): "102 5"
Test #2:
score: -100
Wrong Answer
time: 77ms
memory: 6864kb
input:
6201 12 88 78 46 95 84 98 55 3 68 42 6 18 19 6 9 10 11 12 12 8 11 8 12 2 3 2 3 1 5 9 9 7 8 6 11 2 4 12 12 2 4 2 9 7 10 8 8 1 7 6 11 5 76 27 48 66 61 2 1 4 3 5 8 64 81 20 6 86 9 4 55 1 7 7 9 1 43 18 81 11 22 9 61 83 14 5 6 2 6 5 8 1 4 9 9 9 9 7 7 2 5 8 9 5 6 4 8 5 8 9 9 6 6 10 66 41 84 7 80 31 22 96 ...
output:
141 48 4 126 303 141 23 170 159 26 153 194 136 89 84 93 287 89 124 130 148 27 1 193 194 93 108 303 236 150 79 0 46 18 24 66 83 160 108 62 0 122 156 81 115 138 54 182 126 28 171 86 311 56 262 87 121 81 86 173 0 129 75 91 90 60 0 224 62 154 77 111 194 247 211 53 52 17 203 101 308 137 177 24 204 84 146...
result:
wrong answer 10th numbers differ - expected: '139', found: '26'