Submission #439342

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
439342	2021-06-29 16:32:47	elazarkoren	T-Covering (eJOI19_covering)	C++17	100 / 100	607 ms	34724 KiB

covering

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#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
#define x first
#define y second
#define all(v) v.begin(), v.end()
#define chkmin(a, b) a = min(a, b)
#define chkmax(a, b) a = max(a, b)
using namespace std;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> pii;
typedef vector<pii> vii;
typedef vector<bool> vb;
typedef vector<vb> vvb;
const int infinity = 1e9;
vvi board, ind;
vii special;
int dir_x[] = {-1, 1, 0, 0, -1, -1, 1, 1};
int dir_y[] = {0, 0, -1, 1, 1, -1, 1, -1};
set<pii> q;
int ans = 0;
int Dfs(vvi &graph, int node, vb &visited) {
    int x = special[node].x, y = special[node].y;
 
 
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Compilation message (stderr)

covering.cpp: In function 'int main()':
covering.cpp:139:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::set<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  139 |         if (sz * 3 > q.size()) {
      |             ~~~~~~~^~~~~~~~~~
covering.cpp:148:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::set<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  148 |         if (sz * 3 < q.size()) {
      |             ~~~~~~~^~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 15 / 15
• Subtask 6: 20 / 20
• Subtask 7: 30 / 30