제출 #944852

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
944852	2024-03-13 06:44:39	oolimry	Fancy Fence (CEOI20_fancyfence)	C++17	100 / 100	31 ms	6852 KiB

fancyfence

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#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define sz(x) (int) (x).size()
#define h first
#define w second
using namespace std;
typedef long long lint;
typedef pair<lint,lint> ii;
lint H[100005];
lint W[100005];
lint mod = 1000000007;
void fix(lint &x){
  x %= mod;
  if(x < 0) x += mod;
}
lint within(lint h, lint w){
  lint A = h * (h+1) / 2;
  fix(A);
  
  lint B = w * (w + 1) / 2;
  fix(B);
  
  return (A*B)%mod;
}
lint acc = 0; ///sum of h*(h+1)*w of previous blocks
lint ans = 0; 
 
 
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