QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#790360 | #9529. Farm Management | iim76 | WA | 0ms | 3844kb | C++14 | 1.7kb | 2024-11-28 11:04:17 | 2024-11-28 11:04:19 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
struct node{
int w, l, r;
bool operator<(const node & other)const{
return w < other.w;
}
};
void solve(){
int n;
ll m;
cin >> n >> m;
ll t = m;
vector<node> crops(n + 1);
for(int i = 1; i <= n; i++){
cin >> crops[i].w >> crops[i].l >> crops[i].r;
}
sort(crops.begin() + 1, crops.end());
vector<ll> prel(n + 5), prewl(n + 5), prelr(n + 5), prewlr(n + 5);
for(int i = 1; i <= n; i++){
prel[i] = prel[i - 1] + crops[i].l;
prewl[i] = prewl[i - 1] + crops[i].l * crops[i].w;
prelr[i] = prelr[i - 1] + crops[i].r - crops[i].l;
prewlr[i] = prewlr[i - 1] + (crops[i].r - crops[i].l) * crops[i].w;
}
ll ans = prewl[n];
t -= prel[n];
//prelr[n] - prelr[l] <= t //不存在找不到的情况
int p = lower_bound(prelr.begin() + 1, prelr.begin() + n + 1, prelr[n] - t) - prelr.begin();
t -= prelr[n] - prelr[p];
ans += prewlr[n] - prewlr[p];
ans += t * crops[p].w;
//cout << ans << " " << t << endl;
for(int i = 1; i <= n; i++){
ll s = m;
s -= prel[n];
ll res = prewl[n];
s += crops[i].l;
res -= crops[i].l * crops[i].w;
//prelr[n] - prelr[l] <= s
//假如多开数组避免特判,则要注意开始和结束位置
int p1 = lower_bound(prelr.begin() + i, prelr.begin() + n + 1, prelr[n] - s) - prelr.begin();
res += prewlr[n] - prewlr[p1];
//cout << res << endl;
s -= prelr[n] - prelr[p1];
res += s * crops[p1].w;
//cerr << res << endl;
ans = max(ans, res);
}
cout << ans;
}
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3844kb
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: 0
Accepted
time: 0ms
memory: 3552kb
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:
35204500
result:
ok single line: '35204500'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3500kb
input:
15 32 835418 2 3 178262 1 3 527643 2 2 519710 1 1 774544 3 3 82312 1 1 808199 1 1 809396 1 3 255882 1 3 80467 1 3 874973 1 3 813965 1 2 198275 1 2 152356 1 3 802055 1 1
output:
22000255
result:
ok single line: '22000255'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3556kb
input:
13 20 526447 1 1 807398 2 2 4167 1 2 944031 2 2 830685 2 2 394251 1 2 505011 1 2 968848 1 1 58170 1 3 32504 1 1 792273 3 3 196120 1 2 714507 1 1
output:
12878768
result:
ok single line: '12878768'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
13 32 582584 1 3 335440 3 3 971984 1 2 864169 1 2 528515 1 1 382399 1 2 459855 1 2 406909 2 3 66780 2 3 885118 3 3 434844 1 2 93331 1 3 502509 1 3
output:
22065034
result:
ok single line: '22065034'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3808kb
input:
12 77 30244 1 7 518214 3 8 486001 8 9 152634 2 3 180255 3 4 791887 1 6 635820 2 9 881171 3 5 337905 3 8 683182 5 5 300786 3 6 339094 7 9
output:
50453764
result:
ok single line: '50453764'
Test #7:
score: -100
Wrong Answer
time: 0ms
memory: 3616kb
input:
10 3923726 826284 215861 638800 471693 146746 886003 140800 532315 684546 673434 604071 814259 170671 299465 525449 104262 689547 855391 215333 591975 803421 795321 31606 984783 103838 361911 601318 145693 450227 686945
output:
295841681449
result:
wrong answer 1st lines differ - expected: '1597735409747', found: '295841681449'