#include <vector>
#include <algorithm>
#include <map>
#include <set>
#include <unordered_map>
#include <unordered_set>
#include <stack>
#include <queue>
#include <cmath>
#include <random>
#include <chrono>
#include <iomanip>
#include <iostream>
using namespace std;
#define double long double
int log_ = 3;
int inf = 2000000000000000000;
int mod = 1102024631;
int p = 505;
bool cmp(pair <int, int> a, pair <int, int> b)
{
if (a.second < b.second)
{
return true;
}
return false;
}
signed main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int n , k;
cin >> n >> k;
vector <pair <int, int>> vp(n);
for (int i = 0; i < n; i++)
{
int a, b;
cin >> a >> b;
vp[i] = { a, b };
}
sort(vp.begin(), vp.end(), cmp);
vector <vector <vector <double>>> dp0(n+1);
vector <vector <vector <double>>> dp1;
for (int i = 0; i <= n; i++)
{
dp0[i].resize(n + 1);
for (int j = 0; j <= n; j++)
{
dp0[i][j].resize(n + 1 , inf);
}
}
for (int i = 0; i <= n; i++)
{
dp0[0][0][i] = 0;
}
dp1 = dp0;
for (int k = 0; k < n; k++)
{
for (int i = 0; i <= n; i++)
{
for (int j = 0; j <= n; j++)
{
for (int col = 0; col <= n; col++)
{
if (i > 0)
{
if (vp[k].second != -1)
{
dp1[i][j][col] = min(dp1[i][j][col], dp0[i - 1][j][col] + ((0. + vp[k].second) / i));
}
}
if (j > 0)
{
dp1[i][j][col] = min(dp1[i][j][col], dp0[i][j - 1][col] + ((0. + vp[k].first) / (col+1)));
}
}
}
}
dp0 = dp1;
}
double ans = inf;
for (int i = 0; i <= n; i++)
{
for (int j = 0; j <= n; j++)
{
for (int col = 0; col <= n; col++)
{
if (col <= k)
{
if (i + j == k)
{
if (i == col)
{
ans = dp0[i][j][col];
}
}
}
}
}
}
cout << ans;
}
Compilation message
Main.cpp:21:11: warning: overflow in conversion from 'long int' to 'int' changes value from '2000000000000000000' to '1321730048' [-Woverflow]
21 | int inf = 2000000000000000000;
| ^~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
447 ms |
1048576 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |