8256 | 2024. 01. 13 20:41:12 | szil | Festés (50 pont) | cpp17 | Elfogadva 50/50 | 209ms | 43540 KiB |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int MAXN = 200'001;
ll c[MAXN][5][5], r[5];
int main() {
ios::sync_with_stdio(0); cin.tie(0);
int n, m; cin >> n >> m;
for (int i = 1; i <= n; i++) cin >> r[i];
for (int i = 1; i <= m; i++) {
for (int l = 1; l <= n; l++) {
for (int r = l; r <= n; r++) {
cin >> c[i][l][r];
}
}
}
ll ans = 1e18;
for (int bits = 0; bits < (1<<n); bits++) {
ll cost = 0;
for (int i = 1; i <= n; i++) {
if (bits&(1<<(i-1))) cost += r[i];
}
for (int i = 1; i <= m; i++) {
vector<ll> dp(5, 1e18);
dp[0] = 0;
for (int j = 1; j <= n; j++) {
if (bits&(1<<(j-1))) {
dp[j] = dp[j-1];
}
ll best = 1e18;
for (int l = j; l >= 1; l--) {
best = min(best, dp[l-1]);
dp[j] = min(dp[j], c[i][l][j] + best);
}
}
cost += dp[n];
}
ans = min(ans, cost);
}
cout << ans << "\n";
return 0;
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 50/50 | ||||||
1 | Elfogadva | 0/0 | 3ms | 1900 KiB | |||
2 | Elfogadva | 0/0 | 3ms | 2116 KiB | |||
3 | Elfogadva | 2/2 | 119ms | 41444 KiB | |||
4 | Elfogadva | 2/2 | 3ms | 2672 KiB | |||
5 | Elfogadva | 3/3 | 4ms | 3068 KiB | |||
6 | Elfogadva | 2/2 | 20ms | 6828 KiB | |||
7 | Elfogadva | 2/2 | 202ms | 42248 KiB | |||
8 | Elfogadva | 2/2 | 196ms | 42248 KiB | |||
9 | Elfogadva | 2/2 | 200ms | 42500 KiB | |||
10 | Elfogadva | 2/2 | 202ms | 42452 KiB | |||
11 | Elfogadva | 2/2 | 201ms | 42244 KiB | |||
12 | Elfogadva | 2/2 | 180ms | 39140 KiB | |||
13 | Elfogadva | 2/2 | 188ms | 39400 KiB | |||
14 | Elfogadva | 2/2 | 61ms | 42916 KiB | |||
15 | Elfogadva | 3/3 | 68ms | 43000 KiB | |||
16 | Elfogadva | 3/3 | 115ms | 43092 KiB | |||
17 | Elfogadva | 2/2 | 115ms | 43360 KiB | |||
18 | Elfogadva | 3/3 | 116ms | 43352 KiB | |||
19 | Elfogadva | 2/2 | 184ms | 39560 KiB | |||
20 | Elfogadva | 2/2 | 193ms | 41448 KiB | |||
21 | Elfogadva | 2/2 | 201ms | 42992 KiB | |||
22 | Elfogadva | 2/2 | 202ms | 43452 KiB | |||
23 | Elfogadva | 2/2 | 202ms | 43448 KiB | |||
24 | Elfogadva | 2/2 | 202ms | 43452 KiB | |||
25 | Elfogadva | 2/2 | 209ms | 43540 KiB |