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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 |
---|---|---|---|---|---|---|---|---|---|
#593420 | #8866. Drying Laundry | pmt2018 | WA | 228ms | 5860kb | C++20 | 1.8kb | 2024-09-27 13:56:23 | 2024-09-27 13:56:23 |
Judging History
answer
/*
Problem : B - 喵了个喵
Solver : pmt2018
*/
#include<bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define _debug(fmt, ...) fprintf(stderr, "\033[91m[%s %3d]: " fmt "\n\033[0m",__func__,__LINE__, ##__VA_ARGS__)
using namespace std;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef long long ll;
typedef unsigned long long ull;
const int maxn = 30007, maxq = 300007, maxl = 300007;
const int INF = 0x3f3f3f3f;
#define MAXL 300000
int N, Q;
struct sheets{
int d, tfast, tslow;
}s[maxn];
int suf_fast[maxn];
ll sumd[maxn];
bitset<maxl> knapsack;
int ans[maxl];
int main(){
scanf("%d%d", &N, &Q);
for (int i = 1; i <= N; i++) {
scanf("%d%d%d", &s[i].d, &s[i].tfast, &s[i].tslow);
}
sort(s + 1, s + N + 1, [](const sheets &a, const sheets &b){
return a.tslow < b.tslow;
});
for (int i = N; i >= 1; i--) {
suf_fast[i] = max(s[i].tfast, suf_fast[i + 1]);
}
for (int i = 1; i <= N; i++) {
sumd[i] = sumd[i - 1] + (ll)s[i].d;
}
for (int i = 0; i <= MAXL; i++) ans[i] = INF;
if (sumd[N] <= (ll)MAXL) ans[sumd[N]] = suf_fast[1];
knapsack.set(0);
for (int i = 1; i <= N; i++) {
knapsack |= knapsack << s[i].d;
if (sumd[i] / 2 + sumd[N] - sumd[i] > (ll)MAXL) continue;
int len = (int)sumd[N] - (int)sumd[i] + (int)knapsack._Find_next((sumd[i] - 1) / 2);
if(len <= MAXL) ans[len] = max(s[i].tslow, suf_fast[i + 1]);
}
for (int i = 0; i <= MAXL; i++) {
ans[i] = min(ans[i - 1], ans[i]);
}
while (Q--) {
int l;
scanf("%d", &l);
if (ans[l] == INF) printf("-1\n");
else printf("%d\n", ans[l]);
}
return 0;
}
详细
Test #1:
score: 0
Wrong Answer
time: 228ms
memory: 5860kb
input:
30000 300000 2 255945072 661001220 2 68592698 870026391 2 297602072 943696446 2 423786358 574645263 2 178914703 647767179 2 198609024 717883631 2 167020579 942479667 2 63119081 995866587 2 347306369 881413517 2 58674847 601956876 2 110801873 707995015 2 155453326 765668358 2 438060979 649128264 2 20...
output:
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
result:
wrong answer 1st lines differ - expected: '-1', found: '0'