Submission #299838

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
299838	2020-09-15 19:20:54	MarcoMeijer	Mountains (IOI17_mountains)	C++14	100 / 100	44 ms	16256 KiB

mountains

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#include "mountains.h"
#include <bits/stdc++.h>
 
using namespace std;
 
#define REP(a,b,c) for(int a=int(b); a<int(c); a++)
#define REV(a,b,c) for(int a=int(c-1); a>=int(b); a--)
#define RE(a,b) REP(a,0,b)
#define FOR(a,b) for(auto& a:b)
#define pb push_back
#define fi first
#define se second
#define all(a) a.begin(), a.end()
 
typedef long long ll;
typedef long double ld;
typedef pair<int,int> ii;
typedef vector<int> vi;
typedef vector<ii> vii;
 
const int INF=1e9;
const int MX=1e5;
const ld EPS=1e-17;
 
int cross(ii a, ii b) {return a.fi*b.se - b.se*a.fi;}
bool ccw(ii a, ii b) {return cross(a,b) >= 0;}
ii subt(ii a, ii b) {return {a.fi-b.fi, a.se-b.se};}
bool ccw(ii A, ii B, ii C) {
    return ((B.fi - A.fi) * 1LL * (C.se - A.se) - (C.fi - A.fi) * 1LL * (B.se - A.se)) >= 0;
}
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 30 / 30
• Subtask 4: 30 / 30