| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1033539 |
2024-07-25T03:16:07 Z |
trMatherz |
Nafta (COI15_nafta) |
C++17 |
|
1 ms |
344 KB |
#include <iostream>
// #include <fstream>
// std::ifstream cin ("cbarn.in");
// std::ofstream cout ("cbarn.out");
// includes
#include <cmath>
#include <set>
#include <map>
#include <queue>
#include <string>
#include <vector>
#include <array>
#include <algorithm>
#include <numeric>
#include <iomanip>
#include <unordered_set>
#include <stack>
#include <ext/pb_ds/assoc_container.hpp>
#include <random>
#include <chrono>
#include <bitset>
#include <complex>
// usings
using namespace std;
using namespace __gnu_pbds;
// misc
#define ll long long
#define ld long double
#define pb push_back
#define pq priority_queue
#define ub upper_bound
#define lb lower_bound
template <typename T, typename U>
bool emin(T &a, const U &b) { return b < a ? a = b, true : false; }
template <typename T, typename U>
bool emax(T &a, const U &b) { return b > a ? a = b, true : false; }
typedef uint64_t hash_t;
// vectors
#define vi vector<int>
#define vvi vector<vi>
#define vvvi vector<vvi>
#define vpii vector<pair<int, int>>
#define vvpii vector<vector<pair<int, int>>>
#define vppipi vector<pair<int, pair<int, int>>>
#define vl vector<ll>
#define vvl vector<vl>
#define vvvl vector<vvl>
#define vpll vector<pair<ll, ll>>
#define vvpll vector<vpll>
#define vb vector<bool>
#define vvb vector<vb>
#define vs vector<string>
#define sz(x) (int)x.size()
#define rz resize
#define all(x) x.begin(), x.end()
#define vc vector<char>
#define vvc vector<vc>
// pairs
#define pii pair<int, int>
#define pll pair<ll, ll>
#define mp make_pair
#define f first
#define s second
// sets
#define si set<int>
#define sl set<ll>
#define ss set<string>
#define in insert
template <class T>
using iset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
// maps
#define mii map<int, int>
#define mll map<ll, ll>
// loops
#define FR(x, z, y) for (int x = z; x < y; x++)
#define FRE(x, z, y) FR(x, z, y + 1)
#define F(x, y) FR(x, 0, y)
#define FE(x, y) F(x, y + 1)
#define A(x, y) for (auto &x : y)
int n, m;
vs a;
vvl dp;
vvl b; vvb v;
ll ct, lef, rig;
void dfs(int x, int y){
if(x < 0 || y < 0 || x >= n || y >= m || v[x][y] || a[x][y] == '.') return;
v[x][y] = true;
ct += a[x][y] - '0'; emax(rig, y); emin(lef, y);
dfs(x + 1, y);
dfs(x - 1, y);
dfs(x, y + 1);
dfs(x, y - 1);
}
void go(int l, int r, int rl, int rr, int k){
int w = (l + r) / 2;
ll bes = -1, p = -1;
for(int i = rl; i <= min(w, rr); i++){
ll pop = dp[i][k - 1] + b[i + 1][w + 1];
if(pop > bes) bes = pop, p = i;
}
dp[w][k] = bes;
if(l != r) go(l, w, rl, p, k), go(w + 1, r, p, rr, k);
}
int main(){
cin >> n >> m; a = vs(n); A(u, a) cin >> u;
dp = vvl(m, vl(m)); b = vvl(m + 1, vl(m + 1, 0)); v = vvb(n, vb(m, false));
F(i, n) F(j, m)
if(!v[i][j]) {
ct = 0, lef = m + 5, rig = -5, dfs(i, j);
for(int o = lef; o <= rig; o++) for(int q = 0; q <= lef; q++) b[q][o + 1] += ct;
}
F(i, m) dp[i][0] = b[0][i + 1];
cout << *max_element(all(b[0])) << endl;
F(i, m - 1) go(i + 1, m - 1, 0, m - 1, i + 1);
F(i, m - 1) cout << dp[m - 1][i + 1] << endl;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
