Submission #856065

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
856065	2023-10-02 16:13:43	sofijavelkovska	Fancy Fence (CEOI20_fancyfence)	C++14	100 / 100	67 ms	8004 KiB

fancyfence

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#include <bits/stdc++.h>
using namespace std;
const int MAXN=1e5, MOD=1e9+7;
long long h[MAXN], w[MAXN];
bool compare(int x, int y)
{
    //if (h[x]==h[y])
      //  return x<y;
    return h[x]<h[y];
}
long long outer(int i, long long leftsum, long long rightsum)
{
    long long rectangles=0;
    rectangles=(rectangles+h[i]*w[i]%MOD*leftsum%MOD)%MOD;
    rectangles=(rectangles+h[i]*(h[i]-1)/2%MOD*w[i]%MOD*leftsum%MOD)%MOD;
    rectangles=(rectangles+h[i]*w[i]%MOD*rightsum%MOD)%MOD;
    rectangles=(rectangles+h[i]*(h[i]-1)/2%MOD*w[i]%MOD*rightsum%MOD)%MOD;
    rectangles=(rectangles+h[i]*leftsum%MOD*rightsum%MOD)%MOD;
    rectangles=(rectangles+h[i]*(h[i]-1)/2%MOD*leftsum%MOD*rightsum%MOD)%MOD;
    return rectangles;
}
long long inner(int i)
{
 
 
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• Subtask 2: 12 / 12
• Subtask 3: 13 / 13
• Subtask 4: 15 / 15
• Subtask 5: 15 / 15
• Subtask 6: 18 / 18
• Subtask 7: 27 / 27