#include <bits/stdc++.h>
using namespace std;
#define int long long
#define db long double
#define MAX 102
db dp[MAX][MAX][MAX];
int n, k;
pair<db, db> info[MAX];
vector<pair<db, db>> cringe;
int maxcolab;
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 && maxcolab == colabCount) return 0;
else if (idx == n) return 1000000000;
if (dp[idx][colabCount][voteCount] != -1) return dp[idx][colabCount][voteCount];
if (cringe[idx].second == -1) return dp[idx][colabCount][voteCount] = min(recur(idx+1, colabCount, voteCount), recur(idx+1, colabCount, voteCount+1) + cringe[idx].first/maxcolab);
return dp[idx][colabCount][voteCount] = min({recur(idx+1, colabCount, voteCount), recur(idx+1, colabCount, voteCount+1) + cringe[idx].first/maxcolab, recur(idx+1, colabCount+1, voteCount+1) + cringe[idx].second/colabCount});
}
bool anticmp(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;
}
signed main(){
cin >> n >> k;
for (int x = 0; x < n; x++) cin >> info[x].first >> info[x].second;
db ans = 1000000000000000LL;
for (int x = 1; x <= n+1; x++){
//make use of x colabs
//initial sort is optimal for 0 colabs
vector<pair<db, db>> colabSect;
vector<pair<db, db>> voteSect;
//wait is dp even needed
for (int y = 0; y < n; y++) voteSect.push_back(info[y]);
sort(voteSect.begin(), voteSect.end(), cmp); //give cheapest
cringe.clear();
for (auto y : voteSect) cringe.push_back(y);
for (int a = 0; a <= n; a++) for (int y = 0; y <= n+1; y++) for (int z = 0; z <= n; z++) dp[a][y][z] = -1;
maxcolab = x;
ans = min(ans, recur(0, 1, 0));
}
cout << std::setprecision(9) << ans;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
340 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Runtime error |
311 ms |
36424 KB |
Execution killed with signal 11 |
| 6 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
340 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Runtime error |
311 ms |
36424 KB |
Execution killed with signal 11 |
| 6 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Correct |
0 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
0 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
384 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Correct |
0 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
0 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
384 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 17 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 18 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 19 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 20 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 21 |
Correct |
2 ms |
1076 KB |
Output is correct |
| 22 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 23 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 24 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 25 |
Correct |
2 ms |
1076 KB |
Output is correct |
| 26 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 27 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 28 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 29 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 30 |
Correct |
2 ms |
1076 KB |
Output is correct |
| 31 |
Correct |
3 ms |
1124 KB |
Output is correct |
| 32 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 33 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 34 |
Correct |
3 ms |
1108 KB |
Output is correct |
| 35 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 36 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 37 |
Correct |
2 ms |
1080 KB |
Output is correct |
| 38 |
Correct |
2 ms |
1156 KB |
Output is correct |
| 39 |
Correct |
2 ms |
1068 KB |
Output is correct |
| 40 |
Correct |
2 ms |
1108 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Correct |
0 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
0 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
384 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 17 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 18 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 19 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 20 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 21 |
Correct |
2 ms |
1076 KB |
Output is correct |
| 22 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 23 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 24 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 25 |
Correct |
2 ms |
1076 KB |
Output is correct |
| 26 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 27 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 28 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 29 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 30 |
Correct |
2 ms |
1076 KB |
Output is correct |
| 31 |
Correct |
3 ms |
1124 KB |
Output is correct |
| 32 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 33 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 34 |
Correct |
3 ms |
1108 KB |
Output is correct |
| 35 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 36 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 37 |
Correct |
2 ms |
1080 KB |
Output is correct |
| 38 |
Correct |
2 ms |
1156 KB |
Output is correct |
| 39 |
Correct |
2 ms |
1068 KB |
Output is correct |
| 40 |
Correct |
2 ms |
1108 KB |
Output is correct |
| 41 |
Correct |
741 ms |
16760 KB |
Output is correct |
| 42 |
Correct |
757 ms |
16760 KB |
Output is correct |
| 43 |
Correct |
866 ms |
16756 KB |
Output is correct |
| 44 |
Correct |
709 ms |
16844 KB |
Output is correct |
| 45 |
Correct |
769 ms |
16760 KB |
Output is correct |
| 46 |
Correct |
697 ms |
16760 KB |
Output is correct |
| 47 |
Correct |
802 ms |
16760 KB |
Output is correct |
| 48 |
Correct |
726 ms |
16772 KB |
Output is correct |
| 49 |
Correct |
766 ms |
16756 KB |
Output is correct |
| 50 |
Correct |
684 ms |
16844 KB |
Output is correct |
| 51 |
Correct |
740 ms |
16760 KB |
Output is correct |
| 52 |
Correct |
698 ms |
16724 KB |
Output is correct |
| 53 |
Correct |
868 ms |
16760 KB |
Output is correct |
| 54 |
Correct |
743 ms |
16764 KB |
Output is correct |
| 55 |
Correct |
755 ms |
16764 KB |
Output is correct |
| 56 |
Correct |
767 ms |
16772 KB |
Output is correct |
| 57 |
Correct |
734 ms |
16764 KB |
Output is correct |
| 58 |
Correct |
751 ms |
16844 KB |
Output is correct |
| 59 |
Correct |
783 ms |
16768 KB |
Output is correct |
| 60 |
Correct |
838 ms |
16756 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Runtime error |
309 ms |
36460 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
340 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Runtime error |
311 ms |
36424 KB |
Execution killed with signal 11 |
| 6 |
Halted |
0 ms |
0 KB |
- |
