Submission #448668

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
448668	2021-07-31 12:54:56	prvocislo	Game (eJOI20_game)	C++17	100 / 100	9 ms	1348 KiB

game

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#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
using namespace std;
const int inf = 1e9 + 5, maxn = 21;
vector<int> cycles, paths;
map<vector<int>, int> m;
void chmin(int& a, const int& b) { a = min(a, b); }
void chmax(int& a, const int& b) { a = max(a, b); }
int solve(int ic, int ip, int left, int typ) // typ = -1 ak to je uz odseknute, 0 je cesta, 1 je cyklus
{
    if (ic+1 == cycles.size() && ip+1 == paths.size()) return left;
    if (m.count({ ic, ip, left, typ })) return m[{ic, ip, left, typ }];
    int &ans = m[{ic, ip, left, typ }] = -inf;
    if (typ == 0 && left > 2) chmax(ans, left - 2 - solve(ic, ip, 2, -1));
    if (typ == 1 && left >= 4) chmax(ans, left - 4 - solve(ic, ip, 4, -1));
    if (ic + 1 != cycles.size())
        chmax(ans, left - solve(ic + 1, ip, cycles[ic + 1], 1));
    if (ip + 1 != paths.size())
        chmax(ans, left - solve(ic, ip + 1, paths[ip + 1], 0));
    return ans;
}
vector<vector<int> > g(maxn * maxn);
vector<string> h(maxn), v(maxn);
vector<bool> vis(maxn * maxn, false);
int r, c;
void dfs(int u, int& cntv, int& cnte)
{
 
 
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Compilation message (stderr)

game.cpp: In function 'int solve(int, int, int, int)':
game.cpp:14:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     if (ic+1 == cycles.size() && ip+1 == paths.size()) return left;
      |         ~~~~~^~~~~~~~~~~~~~~~
game.cpp:14:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     if (ic+1 == cycles.size() && ip+1 == paths.size()) return left;
      |                                  ~~~~~^~~~~~~~~~~~~~~
game.cpp:19:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     if (ic + 1 != cycles.size())
      |         ~~~~~~~^~~~~~~~~~~~~~~~
game.cpp:21:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |     if (ip + 1 != paths.size())
      |         ~~~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20