제출 #856057

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
856057	2023-10-02 16:03:54	sofijavelkovska	Fancy Fence (CEOI20_fancyfence)	C++14	100 / 100	61 ms	10192 KiB

fancyfence

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#include <bits/stdc++.h>
using namespace std;
const long long MAXN=1e5, MOD=1e9+7;
long long h[MAXN], w[MAXN];
bool compare(long long x, long long y)
{
    if (h[x]==h[y])
        return x<y;
    return h[x]<h[y];
}
long long outer(long long 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(long long i)
{
 
 
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