Submission #973262

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
973262	2024-05-01 16:52:54	raphaelp	Soccer Stadium (IOI23_soccer)	C++17	100 / 100	849 ms	55980 KiB

soccer

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#include<bits/stdc++.h>
using namespace std;
int biggest_stadium(int N, vector<vector<int>> F)
{
    vector<vector<int>> Nextleft(N+1, vector<int>(N+1, -1));
    vector<int> dp(N+1, 0), sz(N+1, 0);
    for (int i=0; i<N; i++)
    {
        for (int j=0; j<N; j++)
        {
            if (F[i][j]==1)Nextleft[i][j]=j;
            else if (j>0)Nextleft[i][j]=Nextleft[i][j-1];
        }
    }
    int maxx=0;
    for (int Right=N-1; Right>=0; Right--)
    {
        vector<int> haut(N+1), bas(N+1),cursize(N+1);
        for (int i=0; i<N; i++)
        {
            haut[i]=i;
            bas[i]=i;
        }
        vector<int> ST;
        for (int i=0; i<N; i++)
        {
            int last=i;
            while(!ST.empty() && Nextleft[i][Right]>=Nextleft[ST.back()][Right])
            {
                last=ST.back();
 
 
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Compilation message (stderr)

soccer.cpp: In function 'int biggest_stadium(int, std::vector<std::vector<int> >)':
soccer.cpp:64:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |         for (int i=0; i<rectangles.size(); i++)
      |                       ~^~~~~~~~~~~~~~~~~~

• Subtask 0: 0 / 0
• Subtask 1: 6 / 6
• Subtask 2: 8 / 8
• Subtask 3: 22 / 22
• Subtask 4: 18 / 18
• Subtask 5: 16 / 16
• Subtask 6: 30 / 30