Submission #1049606

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1049606	2024-08-09 02:12:47	vjudge1	T-Covering (eJOI19_covering)	C++17	100 / 100	70 ms	16588 KiB

covering

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#include<bits/stdc++.h>
using namespace std;
const int N = 1e6 + 2;
vector<vector<int>> a;
vector<int> xet;
vector<vector<bool>> check, dem, red;
int n, m, q, x[N], y[N];
int ans = 0, tmp = 0, tmp1 = 0;
int xx[] = {-1, -2, -1, 0, 1, 2, 1, 0, -1, 0, 1, 0}, yy[] = {-1, 0, 1, 2, 1, 0, -1, -2, 0, 1, 0, -1};
bool in(int u, int v)
{
    if(u < 0 || v < 0 || u >= n || v >= m)
        return false;
    return true;
}
void dfs(int u, int v)
{
    tmp += a[u][v];
    tmp1++;
    check[u][v] = true;
    for(int i = 8; i < 12; i++)
    {
        if(in(u + xx[i], v + yy[i]) && !dem[u + xx[i]][v + yy[i]] && !red[u + xx[i]][v + yy[i]])
        {
            dem[u + xx[i]][v + yy[i]] = true;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

covering.cpp: In function 'int main()':
covering.cpp:79:27: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   79 |             if(xet.size() < 3 * tmp1)
      |                ~~~~~~~~~~~^~~~~~~~~~

• 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