| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1065524 | 2024-08-19T08:55:57 Z | shidou26 | Kronican (COCI16_kronican) | C++14 | 581 ms | 13484 KB |
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define all(v) v.begin(), v.end()
#define filter(v) v.resize(unique(all(v)) - v.begin())
typedef long long ll;
typedef pair<int, int> ii;
const int MOD = 1e9 + 7;
inline ll add(ll x, ll y, ll mod = MOD) {return ((x % mod) + (y % mod)) % mod;}
inline ll sub(ll x, ll y, ll mod = MOD) {return ((x - y) % mod + mod) % mod;}
inline ll prod(ll x, ll y, ll mod = MOD) {return ((x % mod) * (y % mod)) % mod;}
const int N = 21;
int n, k;
int cost[N][N];
int dp[(1 << N)];
vector<int> ord[N];
void prepare() {
}
void input() {
cin >> n >> k;
for(int i = 0; i < n; i++) {
for(int j = 0; j < n; j++) {
cin >> cost[i][j];
}
}
}
void print(int mask) {
bitset<5> b(mask);
for(int i = 0; i < 5; i++) cout << b[i];
cout << " : " << dp[mask] << endl;
}
void process() {
memset(dp, 0x3f, sizeof(dp));
dp[(1 << n) - 1] = 0;
for(int i = 0; i < (1 << n); i++) {
int ones = __builtin_popcount(i);
ord[ones].push_back(i);
}
for(int i = n; i > k; i--) {
for(int mask : ord[i]) {
for(int j = 0; j < n; j++) {
if(mask & (1 << j)) {
for(int k = 0; k < n; k++) {
if(mask & (1 << k)) {
if(j != k) {
dp[mask ^ (1 << j)] = min(dp[mask ^ (1 << j)], dp[mask] + cost[j][k]);
}
}
}
}
}
}
}
int best = 1e9;
for(int mask : ord[k]) best = min(best, dp[mask]);
cout << best << endl;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
#define task "Date_A_Live"
if(fopen(task".inp", "r")) {
freopen(task".inp", "r", stdin);
freopen(task".out", "w", stdout);
}
prepare();
int tc = 1; // cin >> tc;
for(int i = 1; i <= tc; i++) {
input();
process();
}
cerr << "Saa, watashtachi no deito hajimemashou" << endl;
return 0;
}
/*
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*/
Compilation message
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 2 ms | 8540 KB | Output is correct |
| 2 | Correct | 2 ms | 8536 KB | Output is correct |
| 3 | Correct | 2 ms | 8540 KB | Output is correct |
| 4 | Correct | 2 ms | 8540 KB | Output is correct |
| 5 | Correct | 7 ms | 8540 KB | Output is correct |
| 6 | Correct | 14 ms | 8796 KB | Output is correct |
| 7 | Correct | 24 ms | 9036 KB | Output is correct |
| 8 | Correct | 56 ms | 9308 KB | Output is correct |
| 9 | Correct | 581 ms | 13484 KB | Output is correct |
| 10 | Correct | 55 ms | 13484 KB | Output is correct |