#include <bits/stdc++.h>
using namespace std;
#define int long long
#define db double
#define MAX 502
db dp[MAX][MAX][MAX];
int n, k;
pair<db, db> info[MAX];
bool cmp(pair<db, db> a, pair<db, db> b){
if (a.second == -1) a.second = 1000000000;
if (b.second == -1) b.second = 1000000000;
return a.second < b.second;
}
db recur(int idx, int colabCount, int voteCount){
if (idx == n && voteCount >= k) return 0;
else if (idx == n) return 1000000000;
if (dp[idx][colabCount][voteCount] != -1) return dp[idx][colabCount][voteCount];
if (info[idx].second == -1) return dp[idx][colabCount][voteCount] = min(recur(idx+1, colabCount, voteCount), recur(idx+1, colabCount, voteCount+1) + info[idx].first/colabCount);
return dp[idx][colabCount][voteCount] = min({recur(idx+1, colabCount, voteCount), recur(idx+1, colabCount, voteCount+1) + info[idx].first/colabCount, recur(idx+1, colabCount+1, voteCount+1) + info[idx].second/colabCount});
}
main(){
cin >> n >> k;
for (int x = 0; x < n; x++) cin >> info[x].first >> info[x].second;
sort(info, info+n, cmp);
for (int x = 0; x <= n; x++) for (int y = 0; y <= n+1; y++) for (int z = 0; z <= n; z++) dp[x][y][z] = -1;
cout << std::setprecision(9) << recur(0, 1, 0);
}
Compilation message
Main.cpp:30:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
30 | main(){
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
436 KB |
Output is correct |
5 |
Correct |
410 ms |
988596 KB |
Output is correct |
6 |
Correct |
390 ms |
988620 KB |
Output is correct |
7 |
Correct |
399 ms |
988548 KB |
Output is correct |
8 |
Correct |
403 ms |
988580 KB |
Output is correct |
9 |
Correct |
395 ms |
988536 KB |
Output is correct |
10 |
Correct |
393 ms |
988624 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
436 KB |
Output is correct |
5 |
Correct |
410 ms |
988596 KB |
Output is correct |
6 |
Correct |
390 ms |
988620 KB |
Output is correct |
7 |
Correct |
399 ms |
988548 KB |
Output is correct |
8 |
Correct |
403 ms |
988580 KB |
Output is correct |
9 |
Correct |
395 ms |
988536 KB |
Output is correct |
10 |
Correct |
393 ms |
988624 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1318 ms |
988628 KB |
Output is correct |
13 |
Correct |
1117 ms |
988636 KB |
Output is correct |
14 |
Correct |
565 ms |
988728 KB |
Output is correct |
15 |
Correct |
1325 ms |
988632 KB |
Output is correct |
16 |
Correct |
1076 ms |
988628 KB |
Output is correct |
17 |
Correct |
578 ms |
988632 KB |
Output is correct |
18 |
Correct |
1507 ms |
988632 KB |
Output is correct |
19 |
Correct |
1031 ms |
988740 KB |
Output is correct |
20 |
Correct |
552 ms |
988628 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
596 KB |
Output is correct |
4 |
Correct |
1 ms |
596 KB |
Output is correct |
5 |
Correct |
1 ms |
596 KB |
Output is correct |
6 |
Correct |
0 ms |
596 KB |
Output is correct |
7 |
Correct |
1 ms |
596 KB |
Output is correct |
8 |
Correct |
1 ms |
596 KB |
Output is correct |
9 |
Incorrect |
1 ms |
596 KB |
Output isn't correct |
10 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
596 KB |
Output is correct |
4 |
Correct |
1 ms |
596 KB |
Output is correct |
5 |
Correct |
1 ms |
596 KB |
Output is correct |
6 |
Correct |
0 ms |
596 KB |
Output is correct |
7 |
Correct |
1 ms |
596 KB |
Output is correct |
8 |
Correct |
1 ms |
596 KB |
Output is correct |
9 |
Incorrect |
1 ms |
596 KB |
Output isn't correct |
10 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
596 KB |
Output is correct |
4 |
Correct |
1 ms |
596 KB |
Output is correct |
5 |
Correct |
1 ms |
596 KB |
Output is correct |
6 |
Correct |
0 ms |
596 KB |
Output is correct |
7 |
Correct |
1 ms |
596 KB |
Output is correct |
8 |
Correct |
1 ms |
596 KB |
Output is correct |
9 |
Incorrect |
1 ms |
596 KB |
Output isn't correct |
10 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1387 ms |
988632 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
436 KB |
Output is correct |
5 |
Correct |
410 ms |
988596 KB |
Output is correct |
6 |
Correct |
390 ms |
988620 KB |
Output is correct |
7 |
Correct |
399 ms |
988548 KB |
Output is correct |
8 |
Correct |
403 ms |
988580 KB |
Output is correct |
9 |
Correct |
395 ms |
988536 KB |
Output is correct |
10 |
Correct |
393 ms |
988624 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1318 ms |
988628 KB |
Output is correct |
13 |
Correct |
1117 ms |
988636 KB |
Output is correct |
14 |
Correct |
565 ms |
988728 KB |
Output is correct |
15 |
Correct |
1325 ms |
988632 KB |
Output is correct |
16 |
Correct |
1076 ms |
988628 KB |
Output is correct |
17 |
Correct |
578 ms |
988632 KB |
Output is correct |
18 |
Correct |
1507 ms |
988632 KB |
Output is correct |
19 |
Correct |
1031 ms |
988740 KB |
Output is correct |
20 |
Correct |
552 ms |
988628 KB |
Output is correct |
21 |
Correct |
1 ms |
596 KB |
Output is correct |
22 |
Correct |
1 ms |
596 KB |
Output is correct |
23 |
Correct |
1 ms |
596 KB |
Output is correct |
24 |
Correct |
1 ms |
596 KB |
Output is correct |
25 |
Correct |
1 ms |
596 KB |
Output is correct |
26 |
Correct |
0 ms |
596 KB |
Output is correct |
27 |
Correct |
1 ms |
596 KB |
Output is correct |
28 |
Correct |
1 ms |
596 KB |
Output is correct |
29 |
Incorrect |
1 ms |
596 KB |
Output isn't correct |
30 |
Halted |
0 ms |
0 KB |
- |