/*-----------------------------
Author : TgX.2
11Ti - K28 - CHV
-----------------------------*/
#include <bits/stdc++.h>
#define FOR(i, a, b) for (int i = (a), _b = (b); i <= _b; i += 1)
#define FORD(i, a, b) for (int i = (a), _b = (b); i >= _b; i -= 1)
#define FORC(i, a, b, c) for (int i = (a), _b = (b), _c = (c); i <= _b; i += _c)
#define fi first
#define se second
#define pb push_back
#define len(x) (int)((x).size())
#define all(x) (x).begin(), (x).end()
#define _ << " " <<
#define __ << "\n"
#define ___ << " "
#define ______________TgX______________ main()
// #define int long long
#define intmax 1e9
#define intmin -1e9
#define llongmax 1e18
#define llongmin -1e18
#define memo(a, val) memset((a), (val), sizeof((a)))
using namespace std;
#define debug(args...) { string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); stringstream _ss(_s); istream_iterator<string> _it(_ss); err(_it, args); cout << endl; }
void err(istream_iterator<string> it) {}
template<typename T, typename... Args>
void err(istream_iterator<string> it, T a, Args... args) {
cout << "[ " << *it << " = " << a << " ] ";
err(++it, args...);
}
template<typename T1, typename T2> ostream& operator << (ostream& out, const pair<T1, T2>& p) {
return out << "[ " << p.first << " , " << p.second << " ] ";
}
template<class Con, class = decltype(begin(declval<Con>()))>
typename enable_if<!is_same<Con, string>::value, ostream&>::type
operator << (ostream& out, const Con& con) {
out << "{ ";
for (auto beg = con.begin(), it = beg; it != con.end(); it++) {
out << (it == beg ? "" : ", ") << *it;
}
return out << " } ";
}
template <int D, typename T>
struct Vec : public vector<Vec<D - 1, T>> {
template <typename... Args>
Vec(int n = 0, Args... args) : vector<Vec<D - 1, T>>(n, Vec<D - 1, T>(args...)) {}
};
template <typename T>
struct Vec<1, T> : public vector<T> {
Vec(int n = 0, const T &val = T()) : vector<T>(n, val) {}
};
template<typename T1, typename T2>
bool mini(T1 &a, T2 b)
{if (a > b) a = b; else return 0; return 1;}
template<typename T1, typename T2>
bool maxi(T1 &a, T2 b)
{if (a < b) a = b; else return 0; return 1;}
/*-----------------------------*/
int n, k, a[25][25];
int f[(1 << 20)][20];
int dp(int mask, int cnt) {
if (__builtin_popcount(mask) == n) return (cnt <= k ? 0 : intmax);
int &ans = f[mask][cnt];
if (ans != -1) return ans;
ans = intmax;
FOR(i, 0, n - 1) if ((mask & (1 << i)) == 0) {
mini(ans, dp(mask | (1 << i), cnt + 1));
FOR(j, 0, n - 1) if (j != i)
mini(ans, dp(mask | (1 << j), cnt) + min(a[i][j], a[j][i]));
}
return ans;
}
void process() {
cin >> n >> k;
FOR(i, 0, n - 1) FOR(j, 0, n - 1) cin >> a[i][j];
memo(f, -1);
cout << dp(0, 0);
}
/*-----------------------------*/
______________TgX______________ {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
if (fopen("temp.inp", "r")) {
freopen("temp.inp", "r", stdin);
freopen("temp.out", "w", stdout);
}
process();
// cerr << "Time: " << 1.0 * clock() / CLOCKS_PER_SEC __ ;
}
/*==============================+
|INPUT |
--------------------------------|
================================+
|OUTPUT |
--------------------------------|
===============================*/
Compilation message
kronican.cpp:22:41: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
22 | #define ______________TgX______________ main()
| ^~~~
kronican.cpp:102:1: note: in expansion of macro '______________TgX______________'
102 | ______________TgX______________ {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kronican.cpp: In function 'int main()':
kronican.cpp:106:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
106 | freopen("temp.inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
kronican.cpp:107:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
107 | freopen("temp.out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
39 ms |
65536 KB |
Execution killed with signal 9 |
| 2 |
Runtime error |
81 ms |
65536 KB |
Execution killed with signal 9 |
| 3 |
Runtime error |
39 ms |
65536 KB |
Execution killed with signal 9 |
| 4 |
Runtime error |
40 ms |
65536 KB |
Execution killed with signal 9 |
| 5 |
Runtime error |
39 ms |
65536 KB |
Execution killed with signal 9 |
| 6 |
Runtime error |
40 ms |
65536 KB |
Execution killed with signal 9 |
| 7 |
Runtime error |
36 ms |
65536 KB |
Execution killed with signal 9 |
| 8 |
Runtime error |
36 ms |
65536 KB |
Execution killed with signal 9 |
| 9 |
Runtime error |
39 ms |
65536 KB |
Execution killed with signal 9 |
| 10 |
Runtime error |
37 ms |
65536 KB |
Execution killed with signal 9 |
