제출 #143924

#제출 시각아이디문제언어결과실행 시간메모리
143924Bodo171Rectangles (IOI19_rect)C++14
10 / 100
12 ms448 KiB
#include "rect.h"
#include <vector>
using namespace std;
vector<vector<int> >  a;
int n,m,i,j,mx;
int solve_n_mic()
{
    int ans=0;
    if(n<=2) return 0;
    for(i=1;i<=m-2;i++)
    {
        bool bun=(a[1][i]<a[1][i-1]&&a[1][i]<a[0][i]&&a[1][i]<a[2][i]);
        mx=a[1][i];
        for(j=i;j<=m-2;j++)
        {
            bun&=(a[1][j]<a[0][j]&&a[1][j]<a[2][j]);
            mx=max(mx,a[1][j]);
            if(bun&&mx<a[1][i-1]&&mx<a[1][j+1])
                ans++;
        }
    }
    return ans;
}
long long count_rectangles(vector<vector<int> > att) {
    a=att;
    n=a.size();m=a[0].size();
    if(n<=3)
      return solve_n_mic();
	return 1;
}
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