#include <bits/stdc++.h>
using namespace std;
const int MAXN = 2e3 + 25;
typedef long long ll;
int n; pair <ll, ll> a[MAXN];
vector <pair <ll, ll>> dp[MAXN][MAXN];
bool comb (pair <ll, ll> &a, pair <ll, ll> &b) {
return a.first == b.first ? a.second < b.second : a.first > b.first;
}
vector <pair <ll, ll>> subs;
void recurse (int pos, int sze, ll cost) {
if (pos > n) {
subs.push_back({sze, cost});
return;
}
recurse(pos + 1, sze, cost);
if (sze + 1 <= a[pos].second) recurse(pos + 1, sze + 1, cost + a[pos].first);
}
int main () {
cin >> n; int k; cin >> k;
for (int i = 1; i <= n; i++) cin >> a[i].first >> a[i].second;
sort(a + 1, a + n + 1, [] (pair <ll, ll> &x, pair <ll, ll> &y) { return x.second < y.second; });
if (n <= 20) {
recurse(1, 0, 0);
sort(subs.begin(), subs.end(), comb);
for (int i = 0; i < k; i++) {
cout << subs[i].first << " " << subs[i].second << '\n';
}
return 0;
}
for (int j = 0; j <= n + 1; j++) dp[n + 1][j].push_back({0, 0});
for (int i = n; i >= 1; i--) {
for (int j = 0; j <= n; j++) {
dp[i][j] = dp[i + 1][j];
if (j + 1 <= a[i].second) {
for (auto [x, y] : dp[i + 1][j + 1]) {
dp[i][j].push_back({x + 1, y + a[i].first});
}
}
sort(dp[i][j].begin(), dp[i][j].end(), comb);
while (dp[i][j].size() > k) dp[i][j].pop_back();
}
}
for (auto [x, y] : dp[1][0]) cout << x << " " << y << '\n';
//for (int i = 0; i < k; i++) cout << dp[1][0][i].first << " " << dp[1][0][i].second << '\n';
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:36:27: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
36 | for (auto [x, y] : dp[i + 1][j + 1]) {
| ^
Main.cpp:41:36: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
41 | while (dp[i][j].size() > k) dp[i][j].pop_back();
| ~~~~~~~~~~~~~~~~^~~
Main.cpp:44:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
44 | for (auto [x, y] : dp[1][0]) cout << x << " " << y << '\n';
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
262 ms |
240976 KB |
Output is correct |
2 |
Correct |
281 ms |
253008 KB |
Output is correct |
3 |
Correct |
241 ms |
228180 KB |
Output is correct |
4 |
Correct |
233 ms |
225876 KB |
Output is correct |
5 |
Correct |
270 ms |
250480 KB |
Output is correct |
6 |
Correct |
174 ms |
199592 KB |
Output is correct |
7 |
Correct |
205 ms |
221028 KB |
Output is correct |
8 |
Correct |
178 ms |
203348 KB |
Output is correct |
9 |
Correct |
174 ms |
199160 KB |
Output is correct |
10 |
Correct |
215 ms |
220200 KB |
Output is correct |
11 |
Correct |
21 ms |
96604 KB |
Output is correct |
12 |
Correct |
24 ms |
96516 KB |
Output is correct |
13 |
Correct |
22 ms |
96604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
262 ms |
240976 KB |
Output is correct |
2 |
Correct |
281 ms |
253008 KB |
Output is correct |
3 |
Correct |
241 ms |
228180 KB |
Output is correct |
4 |
Correct |
233 ms |
225876 KB |
Output is correct |
5 |
Correct |
270 ms |
250480 KB |
Output is correct |
6 |
Correct |
174 ms |
199592 KB |
Output is correct |
7 |
Correct |
205 ms |
221028 KB |
Output is correct |
8 |
Correct |
178 ms |
203348 KB |
Output is correct |
9 |
Correct |
174 ms |
199160 KB |
Output is correct |
10 |
Correct |
215 ms |
220200 KB |
Output is correct |
11 |
Correct |
21 ms |
96604 KB |
Output is correct |
12 |
Correct |
24 ms |
96516 KB |
Output is correct |
13 |
Correct |
22 ms |
96604 KB |
Output is correct |
14 |
Correct |
254 ms |
240980 KB |
Output is correct |
15 |
Correct |
280 ms |
253352 KB |
Output is correct |
16 |
Correct |
231 ms |
228180 KB |
Output is correct |
17 |
Correct |
236 ms |
225920 KB |
Output is correct |
18 |
Correct |
276 ms |
250752 KB |
Output is correct |
19 |
Correct |
173 ms |
199600 KB |
Output is correct |
20 |
Correct |
216 ms |
221012 KB |
Output is correct |
21 |
Correct |
179 ms |
203456 KB |
Output is correct |
22 |
Correct |
172 ms |
199068 KB |
Output is correct |
23 |
Correct |
214 ms |
220244 KB |
Output is correct |
24 |
Correct |
23 ms |
96700 KB |
Output is correct |
25 |
Correct |
21 ms |
96600 KB |
Output is correct |
26 |
Correct |
21 ms |
96604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
348 ms |
327696 KB |
Output is correct |
2 |
Correct |
374 ms |
346264 KB |
Output is correct |
3 |
Correct |
320 ms |
307036 KB |
Output is correct |
4 |
Correct |
319 ms |
303416 KB |
Output is correct |
5 |
Correct |
369 ms |
342856 KB |
Output is correct |
6 |
Correct |
177 ms |
199508 KB |
Output is correct |
7 |
Correct |
205 ms |
221264 KB |
Output is correct |
8 |
Correct |
181 ms |
203780 KB |
Output is correct |
9 |
Correct |
178 ms |
200984 KB |
Output is correct |
10 |
Correct |
259 ms |
261192 KB |
Output is correct |
11 |
Correct |
22 ms |
96688 KB |
Output is correct |
12 |
Correct |
21 ms |
96604 KB |
Output is correct |
13 |
Correct |
22 ms |
96860 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
94 ms |
106092 KB |
Output is correct |
2 |
Correct |
149 ms |
114788 KB |
Output is correct |
3 |
Correct |
54 ms |
101580 KB |
Output is correct |
4 |
Correct |
38 ms |
98684 KB |
Output is correct |
5 |
Correct |
130 ms |
114040 KB |
Output is correct |
6 |
Correct |
21 ms |
96600 KB |
Output is correct |
7 |
Correct |
24 ms |
97380 KB |
Output is correct |
8 |
Correct |
23 ms |
96860 KB |
Output is correct |
9 |
Correct |
22 ms |
96736 KB |
Output is correct |
10 |
Correct |
21 ms |
96604 KB |
Output is correct |
11 |
Correct |
21 ms |
96732 KB |
Output is correct |
12 |
Correct |
23 ms |
96604 KB |
Output is correct |
13 |
Correct |
50 ms |
101400 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
65 ms |
115540 KB |
Output is correct |
2 |
Correct |
67 ms |
116052 KB |
Output is correct |
3 |
Correct |
57 ms |
112720 KB |
Output is correct |
4 |
Correct |
57 ms |
112212 KB |
Output is correct |
5 |
Correct |
68 ms |
116904 KB |
Output is correct |
6 |
Correct |
22 ms |
97040 KB |
Output is correct |
7 |
Correct |
25 ms |
98140 KB |
Output is correct |
8 |
Correct |
25 ms |
97904 KB |
Output is correct |
9 |
Correct |
25 ms |
98616 KB |
Output is correct |
10 |
Correct |
40 ms |
105552 KB |
Output is correct |
11 |
Correct |
21 ms |
96604 KB |
Output is correct |
12 |
Correct |
21 ms |
96504 KB |
Output is correct |
13 |
Correct |
30 ms |
100452 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
262 ms |
240976 KB |
Output is correct |
2 |
Correct |
281 ms |
253008 KB |
Output is correct |
3 |
Correct |
241 ms |
228180 KB |
Output is correct |
4 |
Correct |
233 ms |
225876 KB |
Output is correct |
5 |
Correct |
270 ms |
250480 KB |
Output is correct |
6 |
Correct |
174 ms |
199592 KB |
Output is correct |
7 |
Correct |
205 ms |
221028 KB |
Output is correct |
8 |
Correct |
178 ms |
203348 KB |
Output is correct |
9 |
Correct |
174 ms |
199160 KB |
Output is correct |
10 |
Correct |
215 ms |
220200 KB |
Output is correct |
11 |
Correct |
21 ms |
96604 KB |
Output is correct |
12 |
Correct |
24 ms |
96516 KB |
Output is correct |
13 |
Correct |
22 ms |
96604 KB |
Output is correct |
14 |
Correct |
254 ms |
240980 KB |
Output is correct |
15 |
Correct |
280 ms |
253352 KB |
Output is correct |
16 |
Correct |
231 ms |
228180 KB |
Output is correct |
17 |
Correct |
236 ms |
225920 KB |
Output is correct |
18 |
Correct |
276 ms |
250752 KB |
Output is correct |
19 |
Correct |
173 ms |
199600 KB |
Output is correct |
20 |
Correct |
216 ms |
221012 KB |
Output is correct |
21 |
Correct |
179 ms |
203456 KB |
Output is correct |
22 |
Correct |
172 ms |
199068 KB |
Output is correct |
23 |
Correct |
214 ms |
220244 KB |
Output is correct |
24 |
Correct |
23 ms |
96700 KB |
Output is correct |
25 |
Correct |
21 ms |
96600 KB |
Output is correct |
26 |
Correct |
21 ms |
96604 KB |
Output is correct |
27 |
Correct |
348 ms |
327696 KB |
Output is correct |
28 |
Correct |
374 ms |
346264 KB |
Output is correct |
29 |
Correct |
320 ms |
307036 KB |
Output is correct |
30 |
Correct |
319 ms |
303416 KB |
Output is correct |
31 |
Correct |
369 ms |
342856 KB |
Output is correct |
32 |
Correct |
177 ms |
199508 KB |
Output is correct |
33 |
Correct |
205 ms |
221264 KB |
Output is correct |
34 |
Correct |
181 ms |
203780 KB |
Output is correct |
35 |
Correct |
178 ms |
200984 KB |
Output is correct |
36 |
Correct |
259 ms |
261192 KB |
Output is correct |
37 |
Correct |
22 ms |
96688 KB |
Output is correct |
38 |
Correct |
21 ms |
96604 KB |
Output is correct |
39 |
Correct |
22 ms |
96860 KB |
Output is correct |
40 |
Correct |
94 ms |
106092 KB |
Output is correct |
41 |
Correct |
149 ms |
114788 KB |
Output is correct |
42 |
Correct |
54 ms |
101580 KB |
Output is correct |
43 |
Correct |
38 ms |
98684 KB |
Output is correct |
44 |
Correct |
130 ms |
114040 KB |
Output is correct |
45 |
Correct |
21 ms |
96600 KB |
Output is correct |
46 |
Correct |
24 ms |
97380 KB |
Output is correct |
47 |
Correct |
23 ms |
96860 KB |
Output is correct |
48 |
Correct |
22 ms |
96736 KB |
Output is correct |
49 |
Correct |
21 ms |
96604 KB |
Output is correct |
50 |
Correct |
21 ms |
96732 KB |
Output is correct |
51 |
Correct |
23 ms |
96604 KB |
Output is correct |
52 |
Correct |
50 ms |
101400 KB |
Output is correct |
53 |
Correct |
65 ms |
115540 KB |
Output is correct |
54 |
Correct |
67 ms |
116052 KB |
Output is correct |
55 |
Correct |
57 ms |
112720 KB |
Output is correct |
56 |
Correct |
57 ms |
112212 KB |
Output is correct |
57 |
Correct |
68 ms |
116904 KB |
Output is correct |
58 |
Correct |
22 ms |
97040 KB |
Output is correct |
59 |
Correct |
25 ms |
98140 KB |
Output is correct |
60 |
Correct |
25 ms |
97904 KB |
Output is correct |
61 |
Correct |
25 ms |
98616 KB |
Output is correct |
62 |
Correct |
40 ms |
105552 KB |
Output is correct |
63 |
Correct |
21 ms |
96604 KB |
Output is correct |
64 |
Correct |
21 ms |
96504 KB |
Output is correct |
65 |
Correct |
30 ms |
100452 KB |
Output is correct |
66 |
Runtime error |
1913 ms |
524288 KB |
Execution killed with signal 9 |
67 |
Halted |
0 ms |
0 KB |
- |