Submission #427809

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
427809	2021-06-14 23:41:28	Ozy	Fancy Fence (CEOI20_fancyfence)	C++17	100 / 100	37 ms	4760 KiB

fancyfence

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#include <iostream>
#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define rep(i,a,b) for (lli i = (a); i <= (b); i++)
#define repa(i,a,b) for (lli i = (a); i >= (b); i--)
#define debugsl(a) cout << #a << " = " << a << ", "
#define debug(a) cout << #a << " = " << a << endl
#define altura first
#define pos second
#define MAX 100000
#define mod 1000000007
lli n,res,ult,act,a,w,pas;
lli h[MAX+2];
stack<pair<lli,lli> > pila;
pair<lli,lli> k;
lli calcula(lli f, lli c) {
    f %= mod;
    c %= mod;
    lli a = (f*(f+1))/2;
    a %= mod;
    lli b = (c*(c+1))/2;
    b %= mod;
    a *= b;
 
 
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