Submission #704749

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
704749	2023-03-02 22:55:04	Markomafko972	Fancy Fence (CEOI20_fancyfence)	C++14	100 / 100	51 ms	3808 KiB

fancyfence

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#include <bits/stdc++.h>
#define X first
#define Y second
#define pb push_back
#define pii pair<int, int>
typedef long long ll;
using namespace std;
const int MOD = 1e9 + 7;
const ll INF = 1e18;
const int OFF = (1 << 20);
int n;
pii p[100005];
stack<pii> s;
int add(int x, int y) {
  if (x+y < MOD) return x+y;
  return x+y-MOD;
}
int mul(int x, int y) {
  return (ll)x * (ll)y % MOD;
}
int pot(int x, int y) {
  if (y == 0) return 1;
  if (y == 1) return x;
  int out = pot(x, y/2);
  out = mul(out, out);
 
 
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