| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 838737 |
2023-08-27T16:21:24 Z |
beaboss |
Cake 3 (JOI19_cake3) |
C++14 |
|
4000 ms |
51228 KB |
// Source: https://oj.uz/problem/view/JOI19_cake3
//
#include "bits/stdc++.h"
using namespace std;
#define s second
#define f first
#define pb push_back
typedef long long ll;
typedef pair<ll, ll> pii;
typedef vector<pii> vpii;
typedef vector<ll> vi;
#define FOR(i, a, b) for (ll i = (a); i<b; i++)
const ll N = 2e5 + 10;
ll n, m;
pii inp[N];
ll ans = -1e11;
void solve(ll ia, ll ib, ll ja, ll jb) { // solves range [ia, ib) assuming the previous DP can be from [ja, jb]
if (ia == ib) return;
ll i = (ia + ib) / 2;
if (i-m+1 < ja) {
solve(i + 1, ib, ja, jb);
return; // to few numbers
}
ll arg_j = 0;
ll sum = 0;
ll opt = 0;
multiset<ll> vals;
for (ll j = i; j > i-m; j--) {
vals.insert(inp[j].s);
sum+=inp[j].s;
}
opt = sum - 2ll * (inp[i].f - inp[i-m+1].f);
for (ll j = i-m; j >= ja; j--) {
sum += inp[j].s;
vals.insert(inp[j].s);
sum -= *vals.begin();
vals.erase(vals.begin());
ll v = sum - 2ll * (inp[i].f - inp[j].f);
if (v > opt) {
arg_j = j;
opt=v;
}
}
// cout << i << ' ' << opt << endl;
ans = max(ans, opt);
solve(ia, i, 0, n);
solve(i + 1, ib, 0, n);
// solve(ia, i, ja, arg_j);
// solve(i + 1, ib, arg_j, jb);
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cin >> n >> m;
FOR(i, 0, n) cin >> inp[i].s >> inp[i].f;
sort(inp, inp + n);
// FOR(i, 0, n) cout << inp[i].s << ' ' << inp[i].f << endl;
solve(0, n, 0, n);
cout << ans << endl;
}
Compilation message
cake3.cpp: In function 'void solve(ll, ll, ll, ll)':
cake3.cpp:39:5: warning: variable 'arg_j' set but not used [-Wunused-but-set-variable]
39 | ll arg_j = 0;
| ^~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
292 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 ms |
340 KB |
Output is correct |
| 18 |
Correct |
0 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
0 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
0 ms |
212 KB |
Output is correct |
| 27 |
Correct |
1 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
1 ms |
212 KB |
Output is correct |
| 31 |
Correct |
0 ms |
212 KB |
Output is correct |
| 32 |
Correct |
1 ms |
212 KB |
Output is correct |
| 33 |
Correct |
1 ms |
212 KB |
Output is correct |
| 34 |
Correct |
0 ms |
340 KB |
Output is correct |
| 35 |
Correct |
0 ms |
212 KB |
Output is correct |
| 36 |
Correct |
0 ms |
212 KB |
Output is correct |
| 37 |
Correct |
0 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
292 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 ms |
340 KB |
Output is correct |
| 18 |
Correct |
0 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
0 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
0 ms |
212 KB |
Output is correct |
| 27 |
Correct |
1 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
1 ms |
212 KB |
Output is correct |
| 31 |
Correct |
0 ms |
212 KB |
Output is correct |
| 32 |
Correct |
1 ms |
212 KB |
Output is correct |
| 33 |
Correct |
1 ms |
212 KB |
Output is correct |
| 34 |
Correct |
0 ms |
340 KB |
Output is correct |
| 35 |
Correct |
0 ms |
212 KB |
Output is correct |
| 36 |
Correct |
0 ms |
212 KB |
Output is correct |
| 37 |
Correct |
0 ms |
212 KB |
Output is correct |
| 38 |
Correct |
113 ms |
596 KB |
Output is correct |
| 39 |
Correct |
130 ms |
672 KB |
Output is correct |
| 40 |
Correct |
98 ms |
852 KB |
Output is correct |
| 41 |
Correct |
102 ms |
780 KB |
Output is correct |
| 42 |
Correct |
67 ms |
1008 KB |
Output is correct |
| 43 |
Correct |
75 ms |
868 KB |
Output is correct |
| 44 |
Correct |
108 ms |
596 KB |
Output is correct |
| 45 |
Correct |
129 ms |
664 KB |
Output is correct |
| 46 |
Correct |
128 ms |
660 KB |
Output is correct |
| 47 |
Correct |
120 ms |
564 KB |
Output is correct |
| 48 |
Correct |
124 ms |
584 KB |
Output is correct |
| 49 |
Correct |
118 ms |
724 KB |
Output is correct |
| 50 |
Correct |
118 ms |
776 KB |
Output is correct |
| 51 |
Correct |
111 ms |
724 KB |
Output is correct |
| 52 |
Correct |
101 ms |
816 KB |
Output is correct |
| 53 |
Correct |
108 ms |
816 KB |
Output is correct |
| 54 |
Correct |
89 ms |
936 KB |
Output is correct |
| 55 |
Correct |
69 ms |
992 KB |
Output is correct |
| 56 |
Correct |
63 ms |
996 KB |
Output is correct |
| 57 |
Correct |
70 ms |
948 KB |
Output is correct |
| 58 |
Correct |
66 ms |
980 KB |
Output is correct |
| 59 |
Correct |
83 ms |
704 KB |
Output is correct |
| 60 |
Correct |
95 ms |
644 KB |
Output is correct |
| 61 |
Correct |
91 ms |
712 KB |
Output is correct |
| 62 |
Correct |
77 ms |
852 KB |
Output is correct |
| 63 |
Correct |
91 ms |
852 KB |
Output is correct |
| 64 |
Correct |
82 ms |
820 KB |
Output is correct |
| 65 |
Correct |
109 ms |
608 KB |
Output is correct |
| 66 |
Correct |
109 ms |
660 KB |
Output is correct |
| 67 |
Correct |
127 ms |
588 KB |
Output is correct |
| 68 |
Correct |
116 ms |
764 KB |
Output is correct |
| 69 |
Correct |
105 ms |
788 KB |
Output is correct |
| 70 |
Correct |
111 ms |
772 KB |
Output is correct |
| 71 |
Correct |
116 ms |
468 KB |
Output is correct |
| 72 |
Correct |
94 ms |
896 KB |
Output is correct |
| 73 |
Correct |
75 ms |
612 KB |
Output is correct |
| 74 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
292 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 ms |
340 KB |
Output is correct |
| 18 |
Correct |
0 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
0 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
0 ms |
212 KB |
Output is correct |
| 27 |
Correct |
1 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
1 ms |
212 KB |
Output is correct |
| 31 |
Correct |
0 ms |
212 KB |
Output is correct |
| 32 |
Correct |
1 ms |
212 KB |
Output is correct |
| 33 |
Correct |
1 ms |
212 KB |
Output is correct |
| 34 |
Correct |
0 ms |
340 KB |
Output is correct |
| 35 |
Correct |
0 ms |
212 KB |
Output is correct |
| 36 |
Correct |
0 ms |
212 KB |
Output is correct |
| 37 |
Correct |
0 ms |
212 KB |
Output is correct |
| 38 |
Correct |
113 ms |
596 KB |
Output is correct |
| 39 |
Correct |
130 ms |
672 KB |
Output is correct |
| 40 |
Correct |
98 ms |
852 KB |
Output is correct |
| 41 |
Correct |
102 ms |
780 KB |
Output is correct |
| 42 |
Correct |
67 ms |
1008 KB |
Output is correct |
| 43 |
Correct |
75 ms |
868 KB |
Output is correct |
| 44 |
Correct |
108 ms |
596 KB |
Output is correct |
| 45 |
Correct |
129 ms |
664 KB |
Output is correct |
| 46 |
Correct |
128 ms |
660 KB |
Output is correct |
| 47 |
Correct |
120 ms |
564 KB |
Output is correct |
| 48 |
Correct |
124 ms |
584 KB |
Output is correct |
| 49 |
Correct |
118 ms |
724 KB |
Output is correct |
| 50 |
Correct |
118 ms |
776 KB |
Output is correct |
| 51 |
Correct |
111 ms |
724 KB |
Output is correct |
| 52 |
Correct |
101 ms |
816 KB |
Output is correct |
| 53 |
Correct |
108 ms |
816 KB |
Output is correct |
| 54 |
Correct |
89 ms |
936 KB |
Output is correct |
| 55 |
Correct |
69 ms |
992 KB |
Output is correct |
| 56 |
Correct |
63 ms |
996 KB |
Output is correct |
| 57 |
Correct |
70 ms |
948 KB |
Output is correct |
| 58 |
Correct |
66 ms |
980 KB |
Output is correct |
| 59 |
Correct |
83 ms |
704 KB |
Output is correct |
| 60 |
Correct |
95 ms |
644 KB |
Output is correct |
| 61 |
Correct |
91 ms |
712 KB |
Output is correct |
| 62 |
Correct |
77 ms |
852 KB |
Output is correct |
| 63 |
Correct |
91 ms |
852 KB |
Output is correct |
| 64 |
Correct |
82 ms |
820 KB |
Output is correct |
| 65 |
Correct |
109 ms |
608 KB |
Output is correct |
| 66 |
Correct |
109 ms |
660 KB |
Output is correct |
| 67 |
Correct |
127 ms |
588 KB |
Output is correct |
| 68 |
Correct |
116 ms |
764 KB |
Output is correct |
| 69 |
Correct |
105 ms |
788 KB |
Output is correct |
| 70 |
Correct |
111 ms |
772 KB |
Output is correct |
| 71 |
Correct |
116 ms |
468 KB |
Output is correct |
| 72 |
Correct |
94 ms |
896 KB |
Output is correct |
| 73 |
Correct |
75 ms |
612 KB |
Output is correct |
| 74 |
Correct |
1 ms |
340 KB |
Output is correct |
| 75 |
Execution timed out |
4062 ms |
51228 KB |
Time limit exceeded |
| 76 |
Halted |
0 ms |
0 KB |
- |
