Manual

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Template Padrão

Template padrão pra todo código, com as bibliotecas mais utilizadas e defines úteis.
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#include 
#include 
#include 
using namespace std;
#define foreach(i, c) for(__typeof( (c).begin()) i=(c).begin(); i != (c).end(); i++)
#define all(x) (x).begin(),(x).end
#define fori(i, n) for(int i = 0; i < (n); i++)
typedef
typedef
typedef
typedef

long long ll;
pair ii;
vector vi;
vector vii;

#define INF
double const PI = 2 * acos(0,0);
double const EPS = 1e-10;

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STL

2.1

misc

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Graph

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Geometry

5

Misc

5.1

Entrada

Parar quando as entradas forem 0 ou nulas:
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int a, b;
while(scanf("%d %d", &a, &b), (a || b){}
while(scanf("%d %d", &a, &b) == 2){}
while(scanf("%d %d", &a, &b) != EOF){}

5.2

Limites
• <= 10: O(n!), O(n)
• <= 18: O(2n · n)

• <= 22: O(2n · n)
• <= 100: O(n)
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• <= 400: O(n)
• <= 2K: O(n · log2 n)
• <= 10K: O(n)
• <= 1M: O(nlog2 n)
• <= 100M: O(n), O(log2 n), O(1)

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