Cod sursa(job #1238851)

Utilizator radu_cebotariRadu Cebotari radu_cebotari Data 7 octombrie 2014 20:38:04
Problema Subsir crescator maximal Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.9 kb
#include<fstream>
#include<ctime>
#include<math.h>
#include<iostream>
using namespace std;
ifstream in("SCMAX.IN");
ofstream out("SCMAX.OUT");

long long c,i,a,pr = -1;
int cmmdc(int a,int b)
{

    if(!b)
        return a;
    else return cmmdc(b,a%b);
}

bool is_int(double a)
{
    if(a - (long long)a == 0 )
        return true;
    else return false;
}
int main()
{
    clock_t time;
    double duration;
    time = clock();
    in>>c;
    for(i = 1 ; i <= c && i!=pr ; i++)
        if(is_int(sqrt((c*c)-(i*i)))){
            a = trunc(sqrt(c*c-i*i));
            if(c*c == (i*i)+(a*a) && cmmdc(c,i) == 1 && cmmdc(c,a) == 1 && cmmdc(a,i) == 1){
                 out<<i<<" "<<a<<" "<<c<<"\n";
                pr = a;
            }
        }
    if(pr == -1)
        out<<"NOPE";
    duration = (clock()-time)/(double) CLOCKS_PER_SEC;
    cout<<duration;
    return 0;
}