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 |
---|---|---|---|---|---|---|---|---|---|
#331270 | #1362. Bad Packing | nocriz# | WA | 0ms | 3744kb | C++20 | 892b | 2024-02-18 04:13:12 | 2024-02-18 04:13:13 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
void solve() {
int N, C; cin >> N >> C;
vi v(N);
for(int i = 0; i < N; i++) cin >> v[i];
sort(v.begin(), v.end(), greater<int>());
vector<bitset<100001>> dp(N + 1, 0);
dp[0][0] = 1;
bitset<100001> val = 0;
for(int i = 0; i <= C; i++) val[i] = 1;
for(int i = 1; i <= N; i++) {
dp[i] = (dp[i - 1] | (dp[i - 1] << v[i - 1]));
}
int sum = 0;
int toErase = 0;
int ans = C;
for(int i = N - 1; i >= 0; i--) {
bitset<100001> b = (dp[i] << sum) & val;
ans = min(ans, (int) ((((b << v[i]) & val) >> v[i]) ^ b)._Find_first());
sum += v[i];
}
cout << ans << "\n";
}
int main() {
ios_base::sync_with_stdio(); cin.tie(0);
int T = 1;
//cin >> T;
while(T--) {
solve();
}
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3744kb
input:
4 10 9 6 5 7
output:
5
result:
ok single line: '5'
Test #2:
score: -100
Wrong Answer
time: 0ms
memory: 3656kb
input:
10 25 1 1 1 2 2 3 3 4 2 1
output:
25
result:
wrong answer 1st lines differ - expected: '20', found: '25'