| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 860331 |
2023-10-12T15:45:12 Z |
wii |
Popeala (CEOI16_popeala) |
C++17 |
|
2000 ms |
32868 KB |
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef double db;
typedef long long ll;
typedef long double ld;
#define int ll
typedef pair<int, int> pii;
#define X first
#define Y second
#define gcd __gcd
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define bit(i, mask) ((mask) >> (i) & 1)
#define reset(x, val) memset(x, val, sizeof(x))
#define foru(i,a,b) for(int i = (a); i <= (b); ++i)
#define ford(i,a,b) for(int i = (a); i >= (b); --i)
#define FastIO ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
template<typename T> bool maximize(T &res, const T &val) { if (res < val) { res = val; return true; } return false; }
template<typename T> bool minimize(T &res, const T &val) { if (val < res) { res = val; return true; } return false; }
const ll Linf = 0x3f3f3f3f3f3f3f3f;
const int Inf = 0x3f3f3f3f;
const ll Mod = 1e9 + 7;
const ll Mod2 = ll(1e9) + 9;
const int Lim = 1e6 + 5;
const int inv6 = 166666668;
// #define Sieve
#ifdef Sieve
vector<int> pr;
vector<int> lpf;
void Linear_sieve(int n = Lim) {
pr.assign(1, 2);
lpf.assign(n + 1, 2);
for (int x = 3; x <= n; x += 2) {
if (lpf[x] == 2) pr.push_back(lpf[x] = x);
for (int i = 1; i < pr.size() && pr[i] <= lpf[x] && pr[i] * x <= n; ++i)
lpf[pr[i] * x] = pr[i];
}
}
#endif
// #define Ckn_calc
#ifdef Ckn_calc
const int LIM = 1e6 + 16;
int fact[LIM + 10]; /// factorial: fact[n] = n!
int invs[LIM + 10]; /// inverse modular: invs[n] = n^(-1)
int tcaf[LIM + 10]; /// inverse factorial: tcaf[n] = (n!)^(-1)
void precal_nck(int n = LIM)
{
fact[0] = fact[1] = 1;
invs[0] = invs[1] = 1;
tcaf[0] = tcaf[1] = 1;
for (int i = 2; i <= n; ++i)
{
fact[i] = (1LL * fact[i - 1] * i) % Mod;
invs[i] = Mod - 1LL * (Mod / i) * invs[Mod % i] % Mod;
tcaf[i] = (1LL * tcaf[i - 1] * invs[i]) % Mod;
}
}
ll C(int n, int k) {
if (n < k || k < 0) return 0;
ll res = fact[n];
res *= tcaf[k], res %= Mod;
res *= tcaf[n - k], res %= Mod;
return res;
}
ll P(int n, int k) {
ll res = fact[n];
res *= tcaf[n - k], res %= Mod;
return res;
}
#endif
/// ====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====
const int base = 3;
const int N = 2e4 + 5;
const int K = 50 + 2;
const int dx[] = {+1, -1, 0, 0};
const int dy[] = {0, 0, +1, -1};
const int block_size = sqrt(2e9) + 2;
int n, t, k;
int a[N], last[N][K], dp[N][K], f[N][K];
int opt[N];
int full_row(int l, int r) {
int ans = 0;
foru(i, 1, n)
ans += (f[r][i] - f[l - 1][i] == r - l + 1);
return ans;
}
int seg[K][N];
void update(int mul, int u, int x) {
for (seg[mul][u += t] = x; u > 1; u >>= 1)
seg[mul][u >> 1] = min(seg[mul][u], seg[mul][u ^ 1]);
}
int get(int mul, int l, int r) {
int ans = Linf;
for (l += t, r += t + 1; l < r; l >>= 1, r >>= 1) {
if (l & 1) minimize(ans, seg[mul][l++]);
if (r & 1) minimize(ans, seg[mul][--r]);
}
return ans;
}
void solve() {
cin >> n >> t >> k;
foru(i, 1, t) cin >> a[i], a[i] += a[i - 1];
foru(i, 1, n) {
char x;
foru(j, 1, t) {
cin >> x;
last[j][i] = (x == '0' ? j : last[j - 1][i]);
f[j][i] = f[j - 1][i] + (x == '1');
}
}
foru(j, 1, t) sort(last[j], last[j] + n + 1);
memset(dp, 0x3f, sizeof dp);
dp[0][0] = 0;
foru(z, 1, k) {
foru(x, 0, n) {
foru(i, 1, t) {
opt[i] = dp[i - 1][z - 1] - x * a[i - 1];
update(x, i, opt[i]);
}
}
foru(i, 1, t) {
last[i][n + 1] = i;
foru(p, 1, n + 1) {
int l = last[i][p - 1] + 1, r = last[i][p];
int x = full_row(l, i);
int ans = get(x, l, r);
minimize(dp[i][z], ans + a[i] * x);
}
}
cout << dp[t][z] << "\n";
}
}
signed main() {
FastIO;
#define task "test"
if (fopen(task".inp", "r")) {
freopen(task".inp", "r", stdin);
freopen(task".out", "w", stdout);
}
#ifdef Sieve
Linear_sieve();
#endif
#ifdef Ckn_calc
precal_nck();
#endif
int ntest = 1;
// cin >> ntest;
while (ntest--) {
//cout << "Case " << q << ": " << "\n";
solve();
cout << "\n";
}
return 0;
}
/** /\_/\
* (= ._.)
* / >TL \>AC
**/
Compilation message
popeala.cpp: In function 'int main()':
popeala.cpp:168:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
168 | freopen(task".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
popeala.cpp:169:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
169 | freopen(task".out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
12376 KB |
Output is correct |
| 2 |
Correct |
3 ms |
16728 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
75 ms |
19156 KB |
Output is correct |
| 2 |
Correct |
69 ms |
19120 KB |
Output is correct |
| 3 |
Correct |
73 ms |
19144 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
319 ms |
19924 KB |
Output is correct |
| 2 |
Correct |
462 ms |
21696 KB |
Output is correct |
| 3 |
Correct |
634 ms |
20708 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
12376 KB |
Output is correct |
| 2 |
Correct |
3 ms |
16728 KB |
Output is correct |
| 3 |
Correct |
75 ms |
19156 KB |
Output is correct |
| 4 |
Correct |
69 ms |
19120 KB |
Output is correct |
| 5 |
Correct |
73 ms |
19144 KB |
Output is correct |
| 6 |
Correct |
319 ms |
19924 KB |
Output is correct |
| 7 |
Correct |
462 ms |
21696 KB |
Output is correct |
| 8 |
Correct |
634 ms |
20708 KB |
Output is correct |
| 9 |
Correct |
1016 ms |
25824 KB |
Output is correct |
| 10 |
Correct |
1448 ms |
26960 KB |
Output is correct |
| 11 |
Execution timed out |
2054 ms |
32868 KB |
Time limit exceeded |
| 12 |
Halted |
0 ms |
0 KB |
- |
