ICPC Cheat-Sheet
number
pi
const double pi = 2 * acos(0.0)
infinity
int oo = 0x3f3f3f3f
double inf = 1.0/0.0
round
int result = (int)((double)a + 0.5);
library functions
algorithm header
__gcd
pi
const double pi = 2 * acos(0.0)
infinity
int oo = 0x3f3f3f3f
double inf = 1.0/0.0
round
int result = (int)((double)a + 0.5);
algorithm header
__gcd