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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 |
---|---|---|---|---|---|---|---|---|---|
#674448 | #9529. Farm Management | ytck# | WA | 1ms | 5744kb | C++17 | 2.0kb | 2024-10-25 15:50:48 | 2024-10-25 15:50:49 |
Judging History
answer
#include<bits/stdc++.h>
#define IOS ios::sync_with_stdio(false), cin.tie(0),cout.tie(0)
#define endl '\n'
#define PII pair<int, int>
#define int long long
//#define int __int128
using namespace std;
inline int read();
inline void write(int x);
const int N = 1e5 + 10, M = 2e3 + 10, mod = 998244353, inf = 1e18, base = 131;
const double eps = 1e-7;
int n, m;
struct node{
int x, l, r;
}p[N];
int s[N], f[N];
bool cmp(node a, node b){
return a.x > b.x;
}
void solve(){
cin >> n >> m;
int ans = 0;
int cnt = 0;
for(int i = 1; i <= n; i++){
int a, b, c;
cin >> a >> b >> c;
p[i] = {a, b, c};
ans += b * a;
cnt += b;
}
sort(p + 1, p + 1 + n, cmp);
for(int i = 1; i <= n; i++){
s[i] = s[i - 1] + p[i].r - p[i].l;
f[i] = f[i - 1] + (p[i].r - p[i].l) * p[i].x;
}
int res = 0;
for(int i = 2; i <= n; i++){
int t = m - cnt + p[i].l;
if(t >= s[i - 1]){
t -= s[i - 1];
res = max(res, ans - p[i].l * p[i].x + f[i - 1] + t * p[i].x);
}
else{
int l = 0, r = i - 1;
while(l < r){
int mid = l + r + 1 >> 1;
if(t >= s[mid]){
l = mid;
}
else r = mid - 1;
}
t -= s[l];
res = max(res, ans - p[i].l * p[i].x + f[l] + t * p[i].x);
}
}
cout << res << endl;
}
signed main() {
IOS;
int T = 1;
//cin >> T;
while (T--){
solve();
}
}
inline int read() {
int x = 0, f = 1;
char c = getchar();
while (c < '0' || c > '9') {
if (c == '-') f = -1;
c = getchar();
}
while (c >= '0' && c <= '9') x = (x << 3) + (x << 1) + c - '0', c = getchar();
return x * f;
}
inline void write(int x) {
if (x < 0) putchar('-'), x = -x;
if (x > 9) write(x / 10);
putchar('0' + x % 10);
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 5716kb
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: -100
Wrong Answer
time: 1ms
memory: 5744kb
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:
34859047
result:
wrong answer 1st lines differ - expected: '35204500', found: '34859047'